4-Dimethylaminoazobenzene |
Synonyms & Trade Names Butter yellow; DAB; p-Dimethylaminoazobenzene; N,N-Dimethyl-4-aminoazobenzene; Methyl yellow |
CAS No. 60-11-7 |
RTECS No. BX7350000 |
DOT ID & Guide |
FormulaC6H5NNC6H4N(CH3)2 |
Conversion |
IDLH Ca [N.D.]
See: IDLH INDEX |
Exposure Limits NIOSH REL: Ca See Appendix A
OSHA PEL: [1910.1015] See Appendix B |
Measurement Methods
NIOSH P&CAM284 (II-4)
See: NMAM or OSHA Methods |
Physical Description Yellow, leaf-shaped crystals. |
MW: 225.3 |
BP: Sublimes |
MLT: 237°F |
Sol: 0.001% |
VP: 0.0000003 mmHg (est.) |
IP: ? |
Sp.Gr: ? |
Fl.P: ? |
UEL: ? |
LEL: ? |
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Incompatibilities & Reactivities None reported |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms Enlarged liver; liver, kidney disturbance; contact dermatitis; cough, wheezing, dyspnea (breathing difficulty); bloody sputum; bronchial secretions; frequent urination, hematuria (blood in the urine), dysuria; [potential occupational carcinogen] |
Target Organs Skin, respiratory system, liver, kidneys, bladder |
Cancer Site[in animals: liver & bladder tumors] |
Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations (See Appendix E)
NIOSH At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus Escape:
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 1498 See MEDICAL TESTS: 0081 |
