The methoxyethanol is converted by alcohol dehydrogenase into methoxyacetic acid which is the substance which causes the Most metal hydroxides are insoluble in water except the sodium, potassium and lithium metal hydroxides (NaOH, KOH, and NH 4 OH). Henry's Law constant (water solution) k H (T) = k° H exp(d(ln(k H))/d(1/T) ((1/T) - 1/(298.15 K))) k° H = Henry's law constant for solubility in water at 298.15 K (mol/kg*bar) d(ln(k H))/d(1/T) = Temperature dependence constant (K) 2-Methoxyethanol [ACD/IUPAC Name] 2-Methoxyethanol [German] [ACD/IUPAC Name] ... 9.50E+00 mm Hg at 25 deg C Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 1e+006 log Kow used: -0.77 (expkow database) no-melting pt equation used Water Sol (Exper. 2-Methoxyethanol; Names; IUPAC name. It is a clear, colorless liquid with an ether-like odor. The methoxyacetate can enter the Krebs cycle where it forms methoxycitrate. Workers exposed to high levels are at risk for granulocytopenia, macrocytic anemia, oligospermia, and azoospermia. Other names Ethylene glycol monomethyl ether EGME Methyl Cellosolve. Article No. k°H = Henry's law constant for solubility in water at 298.15 K (mol/kg*bar) Solubility. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. 2-Methoxy ethanol is used as solvent for various purposes like varnishes, dyes, cleaning agents, epoxy coating, paints, anti-icing fuel additive in aviation and resins. Both ethanol and acetate have a protecting effect. 2-Methoxyethanol is toxic to the bone marrow and testicles. Article No. DOI: 10.1021/je300980k. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Notes: widely used industrial solvent for resins, lacquers, dyes & inks; may cause anemia macrocytosis, appearance of young granulocytes in blood. The LibreTexts libraries are Powered by MindTouch ® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Solubility of N-hydroxy-5-norbornene-2,3-dicarboximide (HONB) in three mixed solvents of ethyl acetate+(2-methoxyethanol,methanol and 1,4-dioxane)was investigatedwithin 278.15 K–323.15 K … [4], Except where otherwise noted, data are given for materials in their, F. Welsch, Toxicology Letters, 2005, volume 156, pages 13-28, National Institute for Occupational Safety and Health, https://en.wikipedia.org/w/index.php?title=2-Methoxyethanol&oldid=957488898, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, 124 to 125 °C (255 to 257 °F; 397 to 398 K), This page was last edited on 19 May 2020, at 03:29. Miscible with water, alcohol, ether, acetone, hydrocarbons, ketones, glycols and dimethylformamide. uses its best efforts to deliver a high quality copy of the 2-Butoxyethanol is an organic compound with the chemical formula BuOC 2 H 4 OH (Bu = CH 3 CH 2 CH 2 CH 2).This colorless liquid has a sweet, ether-like odor, as it derives from the family of glycol ethers, and is a butyl ether of ethylene glycol.As a relatively nonvolatile, inexpensive solvent, it is used in many domestic and industrial products because of its properties as a surfactant. ... Solubility in water. 2. in these sites and their terms of usage. database match) = 1e+006 mg/L (25 deg C) Exper. (2) It is in a class of solvents known as glycol ethers which are notable for their ability to dissolve a variety of different types of chemical compounds and for their miscibility with water and other solvents. 109-86-4: Density: 0.958 g/cm 3: Solubility: soluble in water Melting Point-85 °C: Formula: C 3 H 8 O 2: Boiling Point: 124.4 °C at 760 mmHg Molecular Weight: 76.09 Flash Point: 46.1 °C Transport Information We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Article No. Solubility of 2-Hydroxybenzoic Acid in Water, 1-Propanol, 2-Propanol, and 2-Propanone at (298.2 to 338.2) K and Their Aqueous Binary Mixtures at 298.2 K. Journal of Chemical & Engineering Data 2012, 57 (11) , 3303-3307. 00202. on behalf of the United States of America. 2-Methoxyethanol, or methyl cellosolve, is an organic compound with formula C 3H 8O 2 that is used mainly as a solvent. The therapeutic efficacy of Japanese encephalitis virus strain sa 14-14-2 antigen (formaldehyde inactivated) can be decreased when used in combination with 2-Methoxyethanol. However, NIST makes no warranties to that effect, and NIST ... Mahmoud, W. E. Development of highly conductive and transparent copper doped zinc oxide thin films via 2-methoxyethanol modified sol … 00202. Rinse skin with water [or shower]. in acetone followed by solubility in 2-methoxyethanol and ultimately an insoluble product (Table 3), it is incapable of giving rise to a water-soluble product. Data from NIST Standard Reference Database 69: The National Institute of Standards and Technology (NIST) Flush skin with water for at least 15 minutes. 2-Methoxyethanol. It is in a class of solvents known as glycol ethers which are notable for their ability to dissolve a variety of different types of chemical alcohol (methanol, ethanol, butanol), and glycol ether (2-methoxyethanol, 2-ethoxyethanol, 2-butoxy ethanol) as listed in Table 1. All rights reserved. 00203. A Solubility of 6FDA-based polyimides prepared in this study depended on organic solvents. 3.2.7 Solubility. 2-METHOXYETHANOL Extra Pure Ethylene glycol monomethyl ether; Methyl glycol. 3. Technology, Office of Data with the development of data collections included in Your institution may already be a subscriber. Sodium acetate, being a mild catalyst, lowers the rate of hydrolysis, and probably is not efficient enough to r,educethe acetyl content to the level necessary for a Seek medical attention if irritation persists. water + 2-methoxyethanol + KBr, and water + 2-butoxyethanol + KBr. Articles of 2-methoxyethanol are included as well. NIST subscription sites provide data under the Chemsrc provides 2-methoxyethanol(CAS#:109-86-4) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Leflunomide The risk or severity of adverse effects can be increased when 2-Methoxyethanol is combined with Leflunomide. All data indicates that methoxyethanol is clearly miscible in water at relevant environmental temperatures. Article No. In organometallic chemistry it is commonly used for the synthesis of Vaska's complex and related compounds such as carbonylchlorohydridotris(triphenylphosphine)ruthenium (II). Database and to verify that the data contained therein have methyl cellosolve,ethanol, 2-methoxy,ethylene glycol monomethyl ether,methyl oxitol,2-methoxy-1-ethanol,methoxyethanol,3-oxa-1-butanol,egme,monomethyl glycol,dowanol em PubChem CID 8019 Data Program, but require an annual fee to access. d(ln(kH))/d(1/T) = Temperature dependence constant (K). Help. 2-Methoxyethanol. The key parameter selected is equivalent to the … The solubility of the salt was The solubility of the salt was observed to decrease with rising temperature for solvent mixtures with a high concentration of glycol ether ... Mahmoud, W. E. Development of highly conductive and transparent copper doped zinc oxide thin films via 2-methoxyethanol modified sol … kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K))) 6FDA-BAPAF polyimide was dissolved in all solvent used, i.e. © 2018 by the U.S. Secretary of Commerce Diethylene glycol, CH 2 OHCH 2 OCH 2 CH 2 OH, is similar in properties to MEG, but with a higher boiling point, viscosity, and specific gravity. A mixture system of sterically hindered amine 2-amino-2-methyl-1-propanol (AMP) with glycol was developed as the working system to reduce energy consumption. Excellent Quality 2-methoxyethanol Ethylene Glycol Monomethyl Ether Egme Cas109-86-4 Factory Price , Find Complete Details about Excellent Quality 2-methoxyethanol Ethylene Glycol Monomethyl Ether Egme Cas109-86-4 Factory Price,2-methoxyethanol,Cas109-86-4,Ethylene Glycol Monomethyl Ether from Alcohol & Hydroxybenzene & Ether Supplier or Manufacturer-Shandong Chuang Ying Chemical Co., Ltd. The solubility of CO2 in the mixture solutions of AMP–diethylene glycol (DEG) and AMP–triethylene glycol (TEG) was determined by a fast measurement method. Miscible with water, alcohol, ether, acetone, hydrocarbons, ketones, glycols and dimethylformamide. It is involved in the preparation of Vaska s complex viz. New Window. Methoxyethane, also known as ethyl methyl ether, is a colorless gaseous ether with a medicine-like odor. P308+P313: IF exposed or concerned: Get medical advice/attention. Diethylene glycol is used in the manufacture of unsaturated polyester resins, polyurethanes and plasticizers. The purpose of the fee is to recover costs associated 100mL; AcroSeal glass bottle. Eye Contact: Flush with water for at least 15 minutes. It can be formed by the nucleophilic attack of methanol on protonated ethylene oxide followed by proton transfer: 2-Methoxyethanol is used as a solvent for many different purposes such as varnishes, dyes, and resins. shall not be liable for any damage that may result from and Informatics, NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data), Temperature dependence parameter for Henry's Law constant. PubMed:Effects of subchronic exposure of rats to 2-methoxyethanol or 2-butoxyethanol: thymic atrophy and immunotoxicity. Data compilation copyright Standard Reference Data Act. Examples: How I determine which salts are soluble and which are insoluble. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. water + 2-methoxyethanol + KBr, and water + 2-butoxyethanol + KBr. 2-METHOXYETHANOL Extra Pure Ethylene glycol monomethyl ether; Methyl glycol. such sites. Solubility. It is extremely flammable, and its inhalation may cause asphyxiation or dizziness.As a Lewis base, it can react with Lewis acids to form salts and reacts violently with oxidizing agents.. References IMMEDIATELY transport the victim to a hospital. by the U.S. Secretary of Commerce on behalf of the U.S.A. Shop a large selection of Organooxygen compounds products and learn more about 2-Methoxyethanol, 99+%, Extra Dry, AcroSeal , Acros Organics. Copyright for NIST Standard Reference Data is governed by All rights reserved. The solubility of kojic acids was measured in water, acetone, 1,4-dioxane, methanol, ethanol, n-propanol, ethyl acetate, 2-methoxyethanol, 2-ethoxyethanol, NMP, DMF as well as DMAC from (278.15/288.15) K to 323.15 K and in DMSO and acetic acid from 293.15 K to 333.15 K by using the laser monitoring approach. 2-METHOXYETHANOL 2-METHOXYETHANOL AR/ACS Ethylene glycol monomethyl ether; Methyl glycol. 00203. P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Workers exposed to high levels are at risk for granulocytopenia, macrocytic anemia, oligospermia, and azoospermia. Leflunomide The risk or severity of adverse effects can be increased when 2-Methoxyethanol is combined with Leflunomide. Follow the links above to find out more about the data the 2-Methoxyethanol No listing No listing TWA Ceiling ACGIH TLV STEL 2-Methoxyethanol 5 ppm NE NE Emergency First Aid Procedures Skin Contact: Remove contaminated clothing. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. The solubility of hydrogen in ethanediol‐1,2, propanol‐1, propanol‐2,2‐methoxyethanol, butanol‐1, butanol‐2,2‐methylpropanol, 2‐ethoxy‐ethanol, pentanol‐1, hexanol‐1,2‐butoxyethanol, and 2‐ethylhexanol‐1 was determined at 25,50, and 100°C and, in general, at up to 100 bar. The solubility of kojic acids was measured in water, acetone, 1,4-dioxane, methanol, ethanol, n-propanol, ethyl acetate, 2-methoxyethanol, 2-ethoxyethanol, NMP, DMF as well as DMAC from (278.15/288.15) K to 323.15 K and in DMSO and acetic acid from 293.15 K to 333.15 K by using the laser monitoring approach. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. Equilibrium solubility, thermodynamic properties and Hansen solubility parameter of N-hydroxy-5-norbornene-2,3-dicarboximide in ethyl acetate + (2-methoxyethanol, methanol and 1,4-dioxane) at various temperatures. 2-Methoxyethanol: EINECS: 203-713-7 CAS No. (2) NIST Standard Reference It is also used as an additive in airplane deicing solutions. The solubility of the salt was The solubility of the salt was observed to decrease with rising temperature for solvent mixtures with a high concentration of glycol ether The therapeutic efficacy of Japanese encephalitis virus strain sa 14-14-2 antigen (formaldehyde inactivated) can be decreased when used in combination with 2-Methoxyethanol. During these reactions the alcohol acts as a source of hydride and carbon monoxide. been selected on the basis of sound scientific judgment. 2-METHOXYETHANOL 2-METHOXYETHANOL AR/ACS Ethylene glycol monomethyl ether; Methyl glycol. National Institute of Standards and 2-Methoxyethanol is toxic to the bone marrow and testicles. The results show that the physical absorption can be enhanced using … The LibreTexts libraries are Powered by MindTouch ® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Identifiers; CAS Number. It is a clear, colorless liquid with an ether-like odor. Only sodium, potassium and ammonium carbonates (Na 2 CO 3, K 2 CO 3 and (NH 4) 2 CO 3) are soluble in water, rest is insoluble. • 3- (2-methoxyethoxy)prop ene, an intermediate to prepare a water-soluble, non-volatile and odorless tin hydride reagent. Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = -1.40 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 90.91 (Adapted Stein & Brown method) Melting Pt (deg C): -69.20 (Mean or Weighted MP) VP(mm Hg,25 deg C): 32 (Mean VP of Antoine & … It is a clear, colorless liquid with an ether-like odor. trans-chlorocarbonylbis(triphenylphosphine)iridium(I) and ruthenium hydridechlorocarbonyl tristriphenylphosphine. errors or omissions in the Database. miscible [1] Vapor pressure: 6 mmHg (20°C) [1] Hazards; Safety data sheet: External MSDS: NFPA 704: 2. [3], The methoxyethanol is converted by alcohol dehydrogenase into methoxyacetic acid which is the substance which causes the harmful effects. 2-Methoxyethanol CHROMASOLV™, for HPLC, ≥99.9%, CAS Number: 109-86-4,(270482 Riedel-de Haën).Shop now or request a quote. It is in a class of solvents known as glycol ethers which are notable for their ability to dissolve a variety of different 2-Methoxyethanol, or methyl cellosolve, is an organic compound with formula C3H8O2 that is used mainly as a solvent. It is a water-soluble liquid; boiling point 245 C; soluble in many organic solvents. 2-Methoxyethanol, or methyl cellosolve, is an organic compound with formula C 3H 8O 2 that is used mainly as a solvent. 2-Methoxyethanol, ReagentPlus ®, ≥99.0%, contains 50 ppm BHT as stabilizer, 360503 2-Methoxyethanol, contains 50 ppm BHT as stabilizer, ACS reagent, ≥99.3%, The zwitterionic solvation behavior of a series of the homologous α-amino acids glycine (Gly), DL-alanine (Ala), DL-α-amino butyric acids (Aba) and DL-nor-valine (Val), in water and in aqueous mixtures of 2-methoxyethanol, have been studied at equidistant temperature intervals in the range of 288.15–308.15 K, using the solubility method. P302+P352: IF ON SKIN: Wash with plenty of water/… P303+P361+P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. U.S.A. all rights reserved organic compound with formula C3H8O2 that is used mainly as a.... On organic solvents 3 ], the methoxyethanol is clearly miscible in water at relevant environmental temperatures harmful effects effects! Their terms of usage to recover costs associated with the development of data included! Specific instructions from a physician under the NIST Standard Reference data Act water at relevant environmental temperatures mainly as solvent. All solvent used, i.e resins, polyurethanes and plasticizers, polyurethanes and plasticizers, acetone, hydrocarbons ketones... Oligospermia, and water + 2-butoxyethanol + KBr ; Methyl glycol 8O 2 that is used in with! Complex viz to fresh air and keep comfortable for breathing ) iridium ( I and... For breathing is the substance which causes the harmful effects compound with formula C3H8O2 that is used as... Ruthenium hydridechlorocarbonyl tristriphenylphosphine ( formaldehyde inactivated ) can be decreased when used combination. The working system to reduce energy consumption is combined with 2 methoxyethanol solubility in water is mainly. Water-Soluble liquid ; boiling point 245 C ; soluble in many organic solvents ( triphenylphosphine ) (... Therapeutic efficacy of Japanese encephalitis 2 methoxyethanol solubility in water strain sa 14-14-2 antigen ( formaldehyde inactivated ) can be when!, but require an annual fee to access National Science Foundation support grant! Airplane deicing solutions Vaska s complex viz water for at least 15.... Of Vaska s complex viz granulocytopenia, macrocytic anemia, oligospermia, and water + 2-methoxyethanol KBr. Recover costs associated with the development of data collections included in such sites virus strain sa 14-14-2 antigen ( inactivated. The U.S. Secretary of Commerce on behalf of the fee is to recover costs associated with the development data... Hydride and carbon monoxide the data in these sites and their terms usage... Determine which salts are soluble and which are insoluble C 3H 8O 2 that is used in the preparation Vaska... Soluble and which are insoluble 2-methoxyethanol AR/ACS Ethylene glycol monomethyl ether EGME Methyl cellosolve, is an compound... I ) and ruthenium hydridechlorocarbonyl tristriphenylphosphine ) 2-methoxyethanol 2-methoxyethanol AR/ACS Ethylene glycol ether. Fee is to recover costs associated with the development of data collections included such. Decreased when used in combination with 2-methoxyethanol Ethylene glycol monomethyl ether ; glycol. A physician, i.e which are insoluble collections included in such sites can. Risk or severity of adverse effects can be decreased when used in with! Prop ene, an intermediate to prepare a water-soluble, non-volatile and odorless hydride! Unsaturated polyester resins, polyurethanes and plasticizers data Program, but require annual! Out more about the data in these sites and their terms of usage Reference data Program, but an. Glycol was developed as the working system to reduce energy consumption formula C 3H 8O 2 is... Glycol is used mainly as a source of hydride and carbon monoxide with glycol was developed the. As an additive in airplane deicing solutions oligospermia, and azoospermia polyimides prepared in this study depended organic... I determine which 2 methoxyethanol solubility in water are soluble and which are insoluble the U.S. Secretary of on. Virus strain sa 14-14-2 antigen ( formaldehyde inactivated ) can be increased when 2-methoxyethanol is with. Numbers 1246120, 1525057, and azoospermia glycol was developed as the working to! A Solubility of 6FDA-based polyimides prepared in this study depended on organic solvents odorless tin hydride reagent = mg/L... Harmful effects data in these sites and their terms of usage anemia, oligospermia, azoospermia. 1E+006 mg/L ( 25 deg C ) Exper methoxyethanol is clearly miscible in water at relevant temperatures. S complex viz all rights reserved that is used mainly as a.. Is governed by the Standard Reference data Program, but require an annual fee to access in this depended. Links above to find out more about the data in these sites and terms... Which is the substance which causes the harmful effects p304+p340: IF exposed concerned! System of sterically hindered amine 2-amino-2-methyl-1-propanol ( AMP ) with glycol was developed the! Water at relevant environmental temperatures Methyl cellosolve, is an organic compound with formula C3H8O2 that is used the. ; soluble in many organic solvents of usage recover costs associated with the development data... Formula C 3H 8O 2 that is used mainly as a solvent governed the. Causes the harmful effects ointments, oils, or Methyl cellosolve, is an compound! Any ointments, oils, or Methyl cellosolve, is an organic compound with formula C3H8O2 is. Inhaled: Remove person to fresh air and keep comfortable for breathing Science Foundation support grant... Governed by the Standard Reference data Act ( 2-methoxyethoxy ) prop ene, an intermediate to a! ; Methyl glycol liquid with an ether-like odor to high levels are at risk for granulocytopenia, anemia. Of data collections included in such sites all rights reserved bone marrow and testicles, alcohol, ether acetone! Skin with water, alcohol, ether, acetone, hydrocarbons, ketones, glycols and dimethylformamide ( )! Contact: flush with water, alcohol, ether, acetone, hydrocarbons,,... Used 2 methoxyethanol solubility in water as a source of hydride and carbon monoxide ( triphenylphosphine ) iridium ( )! The United States of America keep comfortable for breathing used in the preparation of Vaska complex... A source of hydride and carbon monoxide a mixture system of sterically hindered amine 2-amino-2-methyl-1-propanol ( AMP ) with was! Acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057 and. 3 ], the methoxyethanol is clearly miscible in water at relevant environmental temperatures is by. Are soluble and which are insoluble 3H 8O 2 that is used mainly as a solvent terms of.... Terms of usage for at least 15 minutes 25 deg C ) Exper Pure Ethylene monomethyl. ( triphenylphosphine ) iridium ( I ) and ruthenium hydridechlorocarbonyl tristriphenylphosphine, or medication in the manufacture unsaturated! Flush with water for at least 15 minutes combined with leflunomide without specific instructions from a physician person... With formula C 3H 8O 2 that is used mainly as a solvent trans-chlorocarbonylbis ( triphenylphosphine ) iridium I... The working system to reduce energy consumption concerned: Get medical advice/attention Methyl glycol is. An 2 methoxyethanol solubility in water odor skin with water, alcohol, ether, acetone, hydrocarbons, ketones, glycols and.... Methoxyacetic acid which is the substance which causes the harmful effects to the marrow. Unsaturated polyester resins, polyurethanes and plasticizers 1525057, and water + 2-butoxyethanol +,... Get medical advice/attention reactions the alcohol acts as a source of hydride and carbon monoxide their terms usage! Glycol monomethyl ether ; Methyl glycol, ether, acetone, hydrocarbons,,... Increased when 2-methoxyethanol is combined with leflunomide study depended on organic solvents mixture system of sterically amine. Recover costs associated with the development of data collections included in such sites in all solvent used, i.e cellosolve. Marrow and testicles = 1e+006 mg/L ( 25 deg C ) Exper Contact: flush with water for at 15. Provide data under the NIST Standard Reference 2 methoxyethanol solubility in water is governed by the U.S. Secretary Commerce! Reference data Program, but require an annual fee to access many organic.! Risk or severity of adverse effects can be increased when 2-methoxyethanol is combined with leflunomide 2! When used in the victim 's eyes without specific instructions from a physician previous National Science support., oils, or Methyl cellosolve, is an organic compound with formula that. Anemia, oligospermia, and azoospermia 15 minutes at relevant environmental temperatures airplane deicing solutions sterically hindered amine (. C 3H 8O 2 that is used mainly as a source of hydride and monoxide. Included in such sites eye Contact: flush with water, alcohol, ether, acetone, hydrocarbons,,. Decreased when used in combination with 2-methoxyethanol with 2-methoxyethanol, glycols and dimethylformamide: Get medical advice/attention Get medical.. A source of hydride and carbon monoxide workers exposed to high levels at! Bone marrow and testicles colorless liquid with an ether-like odor, ketones, and! The Standard Reference data Act ether EGME Methyl cellosolve, is an organic compound with formula 3H... Behalf of the U.S.A. all rights reserved methoxyethanol is clearly miscible in water at relevant environmental.! Study depended on organic solvents under the NIST Standard Reference data Program but... 2-Methoxyethanol is combined with leflunomide glycol monomethyl ether ; Methyl glycol it is involved in the manufacture of unsaturated resins! Put any ointments, oils, or Methyl cellosolve, is an organic compound with formula C3H8O2 that is in! Methoxyacetate can enter the Krebs cycle where it forms methoxycitrate 2-methoxyethanol 2-methoxyethanol AR/ACS Ethylene glycol monomethyl ether Methyl...