Methyl Cellosolve® acetate

Synonyms & Trade Names

EGMEA, Ethylene glycol monomethyl ether acetate, Glycol monomethyl ether acetate, 2-Methoxyethyl acetate

CAS No.

110-49-6

RTECS No.

KL5950000

DOT ID & Guide

1189 129

Formula

CH₃COOCH₂CH₂OCH₃

Conversion

1 ppm = 4.83 mg/m³

IDLH

200 ppm
See: 110496

Exposure Limits

NIOSH REL

TWA 0.1 ppm (0.5 mg/m³) [skin]

OSHA PEL

TWA 25 ppm (120 mg/m³) [skin]

Measurement Methods

NIOSH 1451;
OSHA 53 , 79
See: NMAM or OSHA Methods

Physical Description

Colorless liquid with a mild, ether-like odor.

Molecular Weight

118.1

Boiling Point

293°F

Freezing Point

-85°F

Solubility

Miscible

Vapor Pressure

2 mmHg

Ionization Potential

Specific Gravity

1.01

Flash Point

120°F

Upper Explosive Limit

8.2%

Lower Explosive Limit

1.7%

Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F.

Incompatibilities & Reactivities

Nitrates; strong oxidizers, alkalis & acids

Exposure Routes

inhalation, skin absorption, ingestion, skin and/or eye contact

Symptoms

irritation eyes, nose, throat; kidney, brain damage; In Animals: narcosis; reproductive, teratogenic effects

Target Organs

Eyes, respiratory system, kidneys, brain, central nervous system, peripheral nervous system, reproductive system, hematopoietic system

Personal Protection/Sanitation

(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:No recommendation

First Aid

(See procedures)
Eye:Irrigate immediately
Skin:Water flush promptly
Breathing:Respiratory support
Swallow:Medical attention immediately

Respirator Recommendations

NIOSH

Up to 1 ppm:
(APF = 10) Any supplied-air respirator*

Up to 2.5 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode*

Up to 5 ppm:
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece

Up to 100 ppm:
(APF = 1000) Any supplied-air respirator operated in a pressure-demand or other positive-pressure mode*

Up to 200 ppm:
(APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode

Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

Methyl Cellosolve® acetate

NIOSH REL

OSHA PEL

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