NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

m-Xylene-alpha,alpha'-diamine

CAS
1477-55-0

C6H4(CH2NH2)2

RTECS
PF8970000
Synonyms & Trade Names

1,3-bis(Aminomethyl)benzene; 1,3-Benzenedimethanamine; MXDA; m-Phenylenebis(methylamine); m-Xylylenediamine
DOT ID & Guide

Exposure
Limits

NIOSH REL: C 0.1 mg/m3 [skin]
OSHA PEL: none
IDLH
N.D. See: IDLH INDEX
Conversion
Physical Description
Colorless liquid.
MW: 136.2
BP: 477°F
FRZ: 58°F
Sol: Miscible
VP(77°F): 0.03 mmHg
IP: ?

Sp.Gr: 1.032
Fl.P: 243°F
UEL: ?
LEL: ?

Class IIIB Combustible Liquid: Fl.P. at or above 200F.
Incompatibilities & Reactivities

None reported
Measurement Methods
OSHA 105
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations
Not available.
Important additional information about respirator selection
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
In animals: irritation eyes, skin; liver, kidney, lung damage
Target Organs
Eyes, skin, respiratory system, liver, kidneys
See also: INTRODUCTION