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: | |||||||
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