α-CHLOROACETOPHENONE (PHENACYL CHLORIDE; 2-CHLOROACETOPHENONE)†
| CAS # | 532-27-4 |
|---|---|
| Formula |
C₈H₇ClO |
| Synonyms |
chloromethyl phenyl ketone; mace; phenacylchloride; phenyl chloromethyl ketone; tear gas |
| Physical description | Colorless to gray crystalline solid with a sharp, irritating odor. | ||
|---|---|---|---|
| Boiling point | 472°F | Molecular weight | 154.6 |
| Freezing point/melting point | 134°F | Vapor pressure | 0.005 mmHg |
| Flash point | 244°F | Vapor density | 5.2 |
| Specific gravity | 1.32 | Ionization potential | 9.44 eV |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 3 | NFPA fire rating | 1 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 0618 | ||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | Silica gel tube (150/75 mg) [SKC 226-10] | ||
| Sampling time* | 100 min |
||
| Sampling volume (TWA)* | 10 L |
||
| Sampling flow rate (TWA)* | 0.1 L/min |
||
| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | HPLC-UV | ||
| Method reference | OSHA PV2182 (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 |
0.05 ppm (0.3 mg/m³) |
REL-TWA |
0.3 mg/m³ (0.05 ppm) |
TLV-TWA | PEL-TWA |
0.05 ppm (0.3 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: | Notes: |
Notes:
Visit the ACGIH TLV site for specific data |
Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: TLV-A4 | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - 2-Chloroacetophenone NIOSH: Pocket Guide to Chemical Hazards - ⍺-Chloroacetophenone Literature References
|
Last Updated Date : 04/30/2024