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4,4'-Methylenebis(2-chloroaniline)

Synonyms & Trade Names
DACPM; 3,3'-Dichloro-4,4'-diaminodiphenylmethane; MBOCA; 4,4'-Methylenebis(o-chloro aniline); 4,4'-Methylenebis(2-chlorobenzenamine); MOCA
CAS No.
101-14-4
RTECS No.
CY1050000
DOT ID & Guide
Formula
CH2(C6H4ClNH2)2
Conversion
IDLH
Ca [N.D.]
See: IDLH INDEX
Exposure Limits
NIOSH REL
: Ca TWA 0.003 mg/m3 [skin] See Appendix A
OSHA PEL
†: none
Measurement Methods

OSHA 24 , 71
See: NMAM or OSHA Methods
Physical Description
Tan-colored pellets or flakes with a faint, amine-like odor.
MW:
267.2
BP:
?		 MLT: 230°F
Sol:
Slight		 VP(77°F): 0.00001 mmHg
IP:
?
Sp.Gr:
1.44
Fl.P:
?
UEL:
?
LEL:
?
Incompatibilities & Reactivities
Chemically-active metals (e.g., potassium, sodium, magnesium, zinc)
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
hematuria (blood in the urine), cyanosis, nausea, methemoglobinemia, kidney irritation; [potential occupational carcinogen]
Target Organs
Liver, 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
Change: Daily
Provide: Eyewash, Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap flush 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 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: 0508
 

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