Synonyms & Trade NamesDACPM, 3,3'-Dichloro-4,4'-diaminodiphenylmethane, MBOCA, 4,4'-Methylenebis(o-chloro aniline), 4,4'-Methylenebis(2-chlorobenzenamine), MOCA
DOT ID & Guide
See: IDLH INDEX
Physical DescriptionTan-colored pellets or flakes with a faint, amine-like odor.
Vapor Pressure(77°F): 0.00001 mmHg
Upper Exposive Limit?
Lower Explosive Limit?
Incompatibilities & ReactivitiesChemically-active metals (e.g., potassium, sodium, magnesium, zinc)
Exposure Routesinhalation, skin absorption, ingestion, skin and/or eye contact
Symptomshematuria (blood in the urine), cyanosis, nausea, methemoglobinemia, kidney irritation; [potential occupational carcinogen]
Target OrgansLiver, blood, kidneys
Cancer Site[in animals: liver, lung & 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
Provide:Eyewash, Quick drench
First Aid(See procedures)
Skin:Soap flush immediately
Swallow:Medical attention immediately
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
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having 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
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division