M-PHENYLENEDIAMINE (1,3-PHENYLENEDIAMINE)
| Chemical Identification | |
|---|---|
| CAS # | 108-45-2 |
| Formula |
C₆H₈N₂ |
| Synonyms |
3-aminoaniline; m-benzenediamine; 1,3-benzenediamine; m-diaminobenzene; 1,3-diaminobenzene; 1,3-phenylenediamine; Developer C; Developer H; Developer M; Direct Brown GG; Direct Brown B |
| Physical Properties | |||
|---|---|---|---|
| Physical description | Colorless or white colored needles that turn red or purple in air. | ||
| Boiling point | 540-543°F | Molecular weight | 108.14 |
| Freezing point/melting point | 145-147°F | Vapor pressure | 1 mmHg at 211.6°F, 0.0018 mmHg at 77°F |
| Flash point | 280°F | Vapor density | 3.7 |
| Specific gravity | 1.0696 at 136°F | Ionization potential | |
| 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 | |||
| Monitoring Methods Used by OSHA | ||||||
|---|---|---|---|---|---|---|
| Analyte code (IMIS no.) | P236 | |||||
| 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 |
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| Sampling volume (TWA)* | 100 L |
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| Sampling flow rate (TWA)* | 1 L/min |
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| 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. |
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| 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 Method | |
|---|---|
| Sampler/Sampling media | |
| Bulk Method |
|---|
| On-Site Screening Techniques | ||||||
|---|---|---|---|---|---|---|
| Device | ||||||
| Model/Type | ||||||
|
Sampling information (see manufacturer instructions) |
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| Exposure Limits | |||||||
|---|---|---|---|---|---|---|---|
|
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 | 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 |
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| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: TLV-A4, IARC-3 | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
| Additional Resources and Literature References |
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|
NOAA: CAMEO Chemicals - 1,3-Phenylenediamine NIOSH: Pocket Guide to Chemical Hazards - 1,3-Phenylenediamine Literature References
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Last Updated Date : 01/05/2021