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DIETHYLENE GLYCOL MONOBUTYL ETHER (BUTYL CARBITOL)
| CAS # | 112-34-5 |
|---|---|
| Formula |
C₈H₁₈O₃ |
| Synonyms |
2-(2-butoxyethoxy)ethanol; butoxydiethylene glycol, butoxydiglycol; diethylene glycol monobutyl ether; diethylene glycol n-butyl ether; Dowanol DB |
| Physical description | Colorless liquid | ||
|---|---|---|---|
| Boiling point | 448°F | Molecular weight | 162.2 |
| Freezing point/melting point | -90.6°F | Vapor pressure | 0.01 mmHg at 68°F |
| Flash point | 176°F | Vapor density | 5.58 |
| Specific gravity | 0.954 at 68°F | Ionization potential | |
| Lower explosive limit (LEL) | 1.20% | Upper explosive limit (UEL) | 8.50% |
| NFPA health rating | 1 | NFPA fire rating | 2 |
| NFPA reactivity rating | 1 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 0471 |
|---|---|
| Sampling group | |
| Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] |
| Sampling time* | 50 min |
| 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 PV2095 (partially validated) |
| Notes | |
| 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 | TLV-TWA |
10 ppm (inhalable fraction and vapor) [2012] |
PEL-TWA | |||
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C | REL-C | TLV-C | PEL-C | ||||
| Skin notation |
NA |
Skin notation |
NA |
Skin notation |
N |
Skin notation |
NA |
|
Notes:
Not established |
Notes:
Not established |
Notes: |
Notes:
Not established |
||||
| 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 - Diethylene glycol monobutyl ether NIOSH: Pocket Guide to Chemical Hazards - Diethylene glycol monobutyl ether Literature References
|
Last Updated Date : 12/28/2020