CYANOGEN CHLORIDE
| CAS # | 506-77-4 |
|---|---|
| Formula |
CNCl |
| Synonyms |
chlorcyan; chlorine cyanide; chlorocyanide; chlorocyanogen; cyanogen chloride inhibited |
| Physical description | Colorless gas or liquid (below 55°F) with an irritating odor. | ||
|---|---|---|---|
| Boiling point | 55°F | Molecular weight | 61.5 |
| Freezing point/melting point | 20°F | Vapor pressure | 1010 mmHg |
| Flash point | Vapor density | 2.16 | |
| Specific gravity | 1.22 (liquid at 32°F) | Ionization potential | 12.49 eV |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | NFPA fire rating | ||
| NFPA reactivity rating | NFPA special instruction | ||
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | C146 |
|---|---|
| Sampling group | |
| Sampler/Sampling media | XAD-2 tube (450/225 mg) coated with 10% 2-(hydroxymethyl)piperidine [SKC 226-27] |
| Sampling time* | 120 min |
| Sampling volume (TWA)* | 24 L |
| Sampling flow rate (TWA)* | 0.2 L/min |
| Sampling volume (STEL/Peak/C)* | 3 L |
| Sampling flow rate (STEL/Peak/C)* | 0.2 L/min |
| Analytical method instruments | GC-NPD |
| Method reference | OSHA PV2193 (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 | PEL-TWA | ||||
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C | REL-C |
0.3 ppm (0.6 mg/m³) |
TLV-C |
0.3 ppm [2013] |
PEL-C |
0.3 ppm (0.6 mg/m³) |
|
| Skin notation |
NA |
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:
--/0.5 ppm/4 ppm |
|||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Cyanogen chloride, stabilized NIOSH: Pocket Guide to Chemical Hazards - Cyanogen chloride Literature References
|
Last Updated Date : 12/22/2020