N-BUTYL LACTATE (BUTYL LACTATE)
Chemical Identification | |
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CAS # | 138-22-7 |
Formula |
C₇H₁₄O₃ |
Synonyms |
butyl ester of 2-hydroxypropanoic acid; butyl ester of lactic acid; butyl lactate |
Physical Properties | |||
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Physical description | Clear, colorless to white liquid with a mild, transient odor. | ||
Boiling point | 370°F | Molecular weight | 146.2 |
Freezing point/melting point | -45°F | Vapor pressure | 0.4 mmHg |
Flash point | 160°F | Vapor density | 5.04 |
Specific gravity | 0.98 | Ionization potential | |
Lower explosive limit (LEL) | 1.15% | Upper explosive limit (UEL) | |
NFPA health rating | 1 | NFPA fire rating | 2 |
NFPA reactivity rating | 0 | NFPA special instruction | |
Vapor hazard ratio (VHR) | |||
Historical exceedance percentage | |||
Target organs |
Monitoring Methods Used by OSHA | ||||||
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Analyte code (IMIS no.) | 0478 | |||||
Sampling group | ||||||
Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] | |||||
Sampling time* |
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Sampling volume (TWA)* | 10 L |
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Sampling flow rate (TWA)* | 0.2 L/min |
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Sampling volume (STEL/Peak/C)* |
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Sampling flow rate (STEL/Peak/C)* |
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Analytical method instruments | GC-FID | |||||
Method reference | OSHA PV2080 (partially validated) | |||||
Notes | Keep samples refrigerated when not in transit. Ship samples overnight with cold-packs as soon as possible. |
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Special requirements |
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* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.
Wipe Method | |
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Sampler/Sampling media |
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Bulk Method |
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On-Site Screening Techniques | ||||||
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Device | ||||||
Model/Type | ||||||
Sampling information (see manufacturer instructions) |
Exposure Limits | |||||||
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OSHA PEL
8-hour TWA (ST) STEL (C) Ceiling Peak |
NIOSH REL
Up to 10-hour TWA (ST) STEL (C) Ceiling |
ACGIH TLV©
8-hour TWA (ST) STEL (C) Ceiling |
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PEL-TWA |
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REL-TWA |
5 ppm (25 mg/m³) |
TLV-TWA |
5 ppm [1973] |
PEL-TWA |
5 ppm (25 mg/m³) |
PEL-STEL |
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REL-STEL |
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TLV-STEL |
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PEL-STEL |
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PEL-C |
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REL-C |
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TLV-C |
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PEL-C |
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Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Notes:
Not established |
Notes:
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Notes:
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Notes:
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Health factors: See NIH-NLM PubChem. | IDLH | ||||||
Carcinogenic classifications: Not listed |
Notes:
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AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
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Additional Resources and Literature References |
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NOAA: CAMEO Chemicals - Butyl lactate NIOSH: Pocket Guide to Chemical Hazards - n-Butyl lactate Literature References
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Last Updated Date : 01/05/2021