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O-PHENYLENEDIAMINE
| CAS # | 95-54-5 |
|---|---|
| Formula |
C₆H₈N₂ |
| Synonyms |
1,2-phenylenediamine; 2-aminoaniline; o-benzenediamine; 1,2-benzenediamine; orthamine; o-diaminobenzene; 1,2-diaminobenzene |
| Physical description | Colorless monoclinic crystals if pure; technical grade brownish-yellow crystals or a sandy brown solid. | ||
|---|---|---|---|
| Boiling point | 493-496°F | Molecular weight | 108.16 |
| Freezing point/melting point | 216-219°F | Vapor pressure | |
| Flash point | 313°F | Vapor density | |
| Specific gravity | Ionization potential | ||
| 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.) | P245 |
|---|---|
| Sampling group | |
| Sampler/Sampling media | 2 GFFs (37 mm) coated with sulfuric acid, in 3-piece cassette, separated by the ring section [SKC 225-9004] |
| Sampling time* | 100 min |
| Sampling volume (TWA)* | 100 L |
| Sampling flow rate (TWA)* |
1 L/min |
| Sampling volume (STEL/Peak/C)* |
|
| Sampling flow rate (STEL/Peak/C)* |
|
| Analytical method instruments | HPLC |
| Method reference | OSHA 87 (fully validated) |
| Notes |
Filters may be obtained by OSHA personnel from the SLTC. |
| 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 |
0.1 mg/m³ [1988] |
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: TLV-A3 |
Notes:
|
||||||
|
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
|
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - 1,2-Phenylenediamine NIOSH: Pocket Guide to Chemical Hazards - 1,2-Phenylenediamine Literature References
|
Last Updated Date : 01/07/2021