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n-Butyl lactate

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Synonyms & Trade Names
Butyl ester of 2-hydroxypropanoic acid, Butyl ester of lactic acid, Butyl lactate
CAS No.
138-22-7
RTECS No.
OD4025000
DOT ID & Guide
1993 128(combustible liquid, n.o.s.)
Formula
CH₃CH(OH)COOC₄H₉
Conversion
1 ppm = 5.98 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 5 ppm (25 mg/m3)
OSHA PEL
none See Appendix G
Measurement Methods
None available
See: NMAM or OSHA Methods
Physical Description
Clear, colorless to white liquid with a mild, transient odor.
Molecular Weight
146.2
Boiling Point
370°F
Freezing Point
-45°F
Solubility
Slight
Vapor Pressure
0.4 mmHg
Ionization Potential
?
Specific Gravity
0.98
Flash Point
160°F
Upper Explosive Limit
?
Lower Explosive Limit
1.15%
Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
Incompatibilities & Reactivities
Strong acids & bases, strong oxidizers, heat, sparks, open flames
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, nose, throat; drowsiness, headache, central nervous system depression; nausea, vomiting
Target Organs
Eyes, skin, respiratory system, central nervous 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:Eyewash, Quick drench
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also
INTRODUCTION
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health