BENZOYL CHLORIDE
| CAS # | 98-88-4 |
|---|---|
| Formula |
C₇H₅ClO |
| Synonyms |
benzenecarbonyl chloride; α-chlorobenzaldehyde; benzoic acid chloride |
| Physical description | A colorless fuming liquid with a pungent odor. | ||
|---|---|---|---|
| Boiling point | 387°F | Molecular weight | 140.57 |
| Freezing point/melting point | 30.2°F | Vapor pressure | 0.4 mmHg |
| Flash point | 162°F | Vapor density | 4.88 |
| Specific gravity | 1.211 | Ionization potential | |
| Lower explosive limit (LEL) | 1.2% | Upper explosive limit (UEL) | 4.9% |
| NFPA health rating | 3 | NFPA fire rating | 2 |
| NFPA reactivity rating | 2 | NFPA special instruction | W: Reacts violently or explosively with water |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | |||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | |||
| Sampling time* | |||
| Sampling volume (TWA)* | |||
| Sampling flow rate (TWA)* | |||
| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | |||
| Method reference | |||
| 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 | PEL-TWA | ||||
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C | REL-C | TLV-C |
0.5 ppm [1992] |
PEL-C |
0.2 ppm (1.1 mg/m³) |
||
| Skin notation |
NA |
Skin notation |
NA |
Skin notation |
N |
Skin notation |
N |
|
Notes:
Not established |
Notes:
Not established |
Notes: | Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH |
10 mg/m³ |
|||||
| Carcinogenic classifications: IARC-2A, TLV-A4 | Notes: | ||||||
|
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
0.3 ppm/5 ppm/20 ppm |
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Benzoyl chloride NIOSH: Pocket Guide to Chemical Hazards - Benzoyl chloride Literature References
|
Last Updated Date : 12/17/2020