# NIOSH Pocket Guide to Chemical Hazards
2,4-Diaminoanisole (and its salts) | CAS 615-05-4
(NH2)2C6H3OCH3 | RTECS BZ8580500
Synonyms & Trade Names 1,3-Diamino-4-methoxybenzene; 4-Methoxy-1,3-benzene-diamine; 4-Methoxy-m-phenylene-diamine Synonyms of salts vary depending upon the specific compound. | DOT ID & Guide
Exposure Limits | NIOSH REL: Ca Minimize occupational exposure (especially skin exposures) See Appendix A
OSHA PEL: none
IDLH Ca [N.D.] | Conversion
Physical Description Colorless solid (needles). [Note: The primary use (including its salts such as 2,4-diaminoanisole sulfate) is a component of hair & fur dye formulations.]
MW: 138.2 | BP: ? | MLT: 153°F | Sol: ?
VP: ? | IP: ? |  | Sp.Gr: ?
Fl.P: ? | UEL: ? | LEL: ? |
Combustible Solid
Incompatibilities & Reactivities Strong oxidizers
Measurement Methods None available
Personal Protection & Sanitation 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 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 (gas mask) with a chin-style, front- or back-mounted organic vapor canister having a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms In animals: irritation skin; thyroid, liver changes; teratogenic effects; [potential occupational carcinogen]
Target Organs Skin, thyroid, liver, reproductive system Cancer Site [in animals: thyroid, liver, skin & lymphatic system tumors]
See also: INTRODUCTION