NIOSH Pocket Guide to Chemical Hazards

Diethylenetriamine CAS 111-40-0
(NH2CH2CH2)2NH RTECS IE1225000
Synonyms & Trade Names
N-(2-Aminoethyl)1,2-ethanediamine; bis(2-Aminoethyl)amine; DETA; 2,2'-Diaminodiethylamine
DOT ID & Guide
2079 154
NIOSH REL: TWA 1 ppm (4 mg/m3) [skin]
OSHA PEL†: none
IDLH N.D. Conversion 1 ppm = 4.22 mg/m3
Physical Description
Colorless to yellow liquid with a strong, ammonia-like odor. [Note: Hygroscopic (i.e., absorbs moisture from the air).]
MW: 103.2
BP: 405°F
FRZ: -38°F
Sol: Miscible
VP: 0.4 mmHg
IP: ?

Sp.Gr: 0.96
Fl.P: 208°F
UEL: 6.7%
LEL: 2%

Class IIIB Combustible Liquid: Fl.P. at or above 200°F.
Incompatibilities & Reactivities
Oxidizers, strong acids, cellulose nitrate [Note: May form explosive complexes with silver, cobalt, or chromium compounds. Corrosive to aluminum copper, brass & zinc.]
Measurement Methods
NIOSH 2540; OSHA 60
Personal Protection & Sanitation
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 To be added later
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, mucous membrane, upper respiratory system; dermatitis, skin sensitization; eye, skin necrosis; cough, dyspnea (breathing difficulty), pulmonary sensitization
Target Organs Eyes, skin, respiratory system