# 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
Exposure Limits | 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
See also: INTRODUCTION