甲氧基乙醇

Description

methoxyethanol · CAS 32718-54-0 · C3H8O2. UNII EK1L6XWI56. Boiling Point: 257 °F at 768 mmHg (NTP, 1992); Boiling Point: 124.1; Boiling Point: 124.1 °C.

Identification

CAS Registry Number	32718-54-0
PubChem CID	8019
Molecular formula	C3H8O2
IUPAC name	2-methoxyethanol
UNII (FDA)	EK1L6XWI56

Computed Descriptors

Molecular Weight	76.09
XLogP3	-0.8
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	76.052429494
Monoisotopic Mass	76.052429494
Topological Polar Surface Area	29.5
Heavy Atom Count	5
Formal Charge	0

Physical & Chemical Properties

Boiling Point	257 °F at 768 mmHg (NTP, 1992)
Boiling Point	124.1
Boiling Point	124.1 °C
Boiling Point	125 °C
Boiling Point	256 °F
Boiling Point	124.5 °C @760 [mm Hg]
Melting Point	-121.2 °F (NTP, 1992)
Melting Point	-85.1
Melting Point	-85.1 °C
Melting Point	-85 °C

Physical description & handling notes

• Ethylene glycol monomethyl ether appears as a clear colorless liquid. Flash point of 110 °F. Less dense than water. Vapors are heavier than air.
• Wet Solid; Liquid
• Colorless liquid with a mild, ether-like odor; [NIOSH]
• COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.
• Colorless liquid with a mild, ether-like odor.
• Colorless liquid

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Cosmetic ingredients (2-Methoxyethanol) -> CIR (Cosmetic Ingredient Review)

GHS Hazard Classification

Reported hazard statements	H226, H302, H312, H332, H360 (93.8%), H370 (10.6%), H373 (14.1%), H335

Documented Uses

• CIR ingredient: 2-Methoxyethanol
• Used as a solvent for many different purposes, (e.g., varnishes, dyes, and resins) and as a jet deicing additive; [ACGIH] Used in the Asian microelectronics industry in photoresist formulations and in manufacturing copper-laminate circuit boards; [JOEM 2004;46:707-713]
• Semiconductor Manufacturing [Category: Industry]
• Painting (Solvents) [Category: Paint]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Solvent for nitrocellulose, ... solvent mixtures, lacquers, ... perfume fixative, ... jet fuel deicing additive.

Synonyms

2-METHOXYETHANOL; 109-86-4; Methyl cellosolve; Ethylene glycol monomethyl ether; Ethanol, 2-methoxy-; Methyl oxitol; 2-Methoxy-1-ethanol; Dowanol EM; Methylglykol; EGME; Methoxyhydroxyethane; 3-Oxa-1-butanol; Monomethyl glycol; Glycol ether EM; Prist; Glycol monomethyl ether

Frequently Asked Questions

What are the CAS number and molecular formula of methoxyethanol?

CAS 32718-54-0; molecular formula C3H8O2; molecular weight — g/mol.

What other names is methoxyethanol known by?

2-METHOXYETHANOL, 109-86-4, Methyl cellosolve, Ethylene glycol monomethyl ether, Ethanol, 2-methoxy-, Methyl oxitol.

What is the regulatory status of methoxyethanol?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; CIR / INCI: Cosmetic ingredients (2-Methoxyethanol) -> CIR (Cosmetic Ingredient Review).

Is methoxyethanol classified as hazardous?

Hazard statements reported: H226, H302, H312, H332, H360.

What are the key physical properties of methoxyethanol?

Boiling Point: 257 °F at 768 mmHg (NTP, 1992); Boiling Point: 124.1; Boiling Point: 124.1 °C; Boiling Point: 125 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.