PHENYLHYDRAZINE†
| CAS # | 100-63-0 |
|---|---|
| Formula |
C₆H₈N₂ |
| Synonyms |
hydrazinobenzene; monophenylhydrazine |
| Physical description | Colorless to pale-yellow liquid or solid (below 67°F) with a faint, aromatic odor. | ||
|---|---|---|---|
| Boiling point | 470°F (decomposes) | Molecular weight | 108.16 |
| Freezing point/melting point | 67°F | Vapor pressure | 0.04 mmHg at 77°F |
| Flash point | 190°F | Vapor density | |
| Specific gravity | 1.1 | Ionization potential | 7.64 eV |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 3 | NFPA fire rating | 2 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 2060 | ||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | Glass midget bubbler with 15 mL 0.1M hydrochloric acid | ||
| Sampling time* | |||
| Sampling volume (TWA)* | 25-120 L |
||
| Sampling flow rate (TWA)* | 0.2-1 L/min |
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| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | VIS | ||
| Method reference | NIOSH 3518 (fully 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 | Infrared spectrophotometer | ||||
|---|---|---|---|---|---|
| Model/Type | Miran 1A & 1B | ||||
|
Sampling information (see manufacturer instructions) |
3.4 ppm@8.5 µm |
|
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 |
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|---|---|---|---|---|---|---|---|
| PEL-TWA |
5 ppm (22 mg/m³) |
REL-TWA | TLV-TWA |
0.1 ppm [1998] |
PEL-TWA |
5 ppm (20 mg/m³) |
|
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL |
10 ppm (45 mg/m³) |
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| PEL-C | REL-C |
0.14 ppm (0.6 mg/m³) [120 minutes] |
TLV-C | PEL-C |
|
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| Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
| Notes: |
Notes:
CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens. |
Notes: |
Notes:
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| Health factors: See NIH-NLM PubChem. | IDLH |
15 ppm |
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| Carcinogenic classifications: NIOSH-Ca, TLV-A3 |
Notes:
Ca |
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AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Phenylhydrazine NIOSH: Pocket Guide to Chemical Hazards - Phenylhydrazine Literature References
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Last Updated Date : 01/08/2021