Diethanolamine
Synonyms & Trade Names
DEA, 2,2'-Dihydroxydiethyamine, Di(2-hydroxyethyl)amine, Diolamine, bis(2-Hydroxyethyl)amine, 2,2'-IminodiethanolPhysical Description
Colorless crystals or a syrupy, white liquid (above 82°F) with a mild, ammonia-like odor.Molecular Weight
105.2Boiling Point
516°F (Decomposes)Melting Point
82°FSolubility
95%Vapor Pressure
<0.01 mmHgIonization Potential
?Specific Gravity
1.10Flash Point
279°FUpper Exposive Limit
9.8%Lower Explosive Limit
1.6%
Class IIIB Combustible Liquid: Fl.P. at or above 200°F.
Combustible Solid
Combustible Solid
Incompatibilities & Reactivities
Oxidizers, strong acids, acid anhydrides, halides [Note: Reacts with CO2 in the air. Hygroscopic (i.e., absorbs moisture from the air). Corrosive to copper, zinc & galvanized iron.]Exposure Routes
inhalation, ingestion, skin and/or eye contactSymptoms
irritation eyes, skin, nose, throat; eye burns, corneal necrosis; skin burns; lacrimation (discharge of tears), cough, sneezingTarget Organs
Eyes, skin, respiratory systemPersonal Protection/Sanitation
(See protection codes)Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:Daily
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.
- 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