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N-BUTYL LACTATE (BUTYL LACTATE)
| CAS # | 138-22-7 |
|---|---|
| Formula |
C₇H₁₄O₃ |
| Synonyms |
butyl ester of 2-hydroxypropanoic acid; butyl ester of lactic acid; butyl lactate |
| 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 | |||
| Analyte code (IMIS no.) | 0478 |
|---|---|
| Sampling group | |
| Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] |
| Sampling time* |
|
| Sampling volume (TWA)* |
10 L |
| Sampling flow rate (TWA)* |
0.2 L/min |
| Sampling volume (STEL/Peak/C)* |
|
| Sampling flow rate (STEL/Peak/C)* |
|
| 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. |
| Special requirements |
|
* 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 Sampler/Sampling media |
|
|---|---|
| Bulk Method |
|
| Device | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
|
Sampling information (see manufacturer instructions) |
|
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 |
|||||
|---|---|---|---|---|---|---|---|
| PEL-TWA |
|
REL-TWA |
5 ppm (25 mg/m³) |
TLV-TWA |
5 ppm [1973] |
PEL-TWA |
5 ppm (25 mg/m³) |
| PEL-STEL |
|
REL-STEL |
|
TLV-STEL |
|
PEL-STEL |
|
| PEL-C |
|
REL-C |
|
TLV-C |
|
PEL-C |
|
| Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
|
Notes:
Not established |
Notes:
|
Notes:
|
Notes:
|
||||
| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: Not listed |
Notes:
|
||||||
|
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
|
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Butyl lactate NIOSH: Pocket Guide to Chemical Hazards - n-Butyl lactate Literature References
|
Last Updated Date : 01/05/2021