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2-Butoxyethanol

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Synonyms & Trade Names
Butyl Cellosolve®, Butyl oxitol, Dowanol® EB, EGBE, Ektasolve EB®, Ethylene glycol monobutyl ether, Jeffersol EB
CAS No.
111-76-2
RTECS No.
KJ8575000
DOT ID & Guide
2369 152
Formula
C₄H₉OCH₂CH₂OH
Conversion
1 ppm = 4.83 mg/m3
IDLH
700 ppm
See: 111762
Exposure Limits
NIOSH REL
TWA 5 ppm (24 mg/m3) [skin]
OSHA PEL
TWA 50 ppm (240 mg/m3) [skin] See Appendix G
Measurement Methods
NIOSH 1403;
OSHA 83
See: NMAM or OSHA Methods
Physical Description
Colorless liquid with a mild, ether-like odor.
Molecular Weight
118.2
Boiling Point
339°F
Freezing Point
-107°F
Solubility
Miscible
Vapor Pressure
0.8 mmHg
Ionization Potential
10.00 eV
Specific Gravity
0.90
Flash Point
143°F
Upper Explosive Limit
(275°F): 12.7%
Lower Explosive Limit
(200°F): 1.1%
Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
Incompatibilities & Reactivities
Strong oxidizers, strong caustics
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, nose, throat; hemolysis, hematuria (blood in the urine); central nervous system depression, headache; vomiting
Target Organs
Eyes, skin, respiratory system, central nervous system, hematopoietic system, blood, kidneys, liver, lymphoid 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
Provide:Quick drench
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash promptly
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

NIOSH

Up to 125 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode*
(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)*

Up to 250 ppm:
(APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s)*
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece

Up to 700 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

Up to 50 ppm:
(APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*
(APF = 10) Any supplied-air respirator*

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0059   MEDICAL TESTS: 0029
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health