4-DIMETHYLAMINOAZOBENZENE‡
| Chemical Identification | |
|---|---|
| CAS # | 60-11-7 |
| Formula |
C₁₄H₁₅N₃ |
| Synonyms |
butter yellow; DAB; p-dimethylaminoazobenzene; N,N-dimethyl-4-aminoazobenzene; methyl yellow |
| Physical Properties | |||
|---|---|---|---|
| Physical description | Yellow, leaf-shaped crystals. | ||
| Boiling point | sublimes | Molecular weight | 225.3 |
| Freezing point/melting point | 232°F | Vapor pressure | 0.0000003 mmHg (est.) |
| Flash point | Vapor density | 7.78 | |
| Specific gravity | 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.) | ||||||
| Sampling group | ||||||
| Sampler/Sampling media | ||||||
| Sampling time* | ||||||
| Sampling volume (TWA)* | ||||||
| Sampling flow rate (TWA)* | ||||||
| Sampling volume (STEL/Peak/C)* | ||||||
| Sampling flow rate (STEL/Peak/C)* | ||||||
| Analytical method instruments | ||||||
| Method reference | ||||||
| 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 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 |
|||||
| PEL-TWA | REL-TWA |
|
TLV-TWA |
|
PEL-TWA |
|
|
| PEL-STEL | REL-STEL |
|
TLV-STEL |
|
PEL-STEL |
|
|
| PEL-C | REL-C |
|
TLV-C |
|
PEL-C |
|
|
| Skin notation |
N |
Skin notation |
N |
Skin notation |
NA |
Skin notation |
N |
|
Notes:
See 29 CFR 1910.1015, 4- Dimethylaminoazobenzene and 29 CFR 1910.1003, 13 Carcinogens. |
Notes:
CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens. |
Notes:
Not established |
Notes:
See California Code of Regulations, Title 8, Section 5209. Carcinogens. |
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| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: IARC-2B, NIOSH-Ca, NTP-R, OSHA-Ca |
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 - 4-Dimethylaminoazobenzene NIOSH: Pocket Guide to Chemical Hazards - 4-Dimethylaminoazobenzene Literature References
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Last Updated Date : 12/15/2020