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Diethanolamine

Synonyms & Trade Names
DEA; Di(2-hydroxyethyl)amine; 2,2'-Dihydroxydiethyamine; Diolamine; bis(2-Hydroxyethyl)amine; 2,2'-Iminodiethanol
CAS No.
111-42-2
RTECS No.
KL2975000
DOT ID & Guide
Formula
(HOCH2CH2)2NH
Conversion
1 ppm = 4.30 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: TWA 3 ppm (15 mg/m3)
OSHA PEL
†: none
Measurement Methods

NIOSH 3509;
OSHA PV2018
See: NMAM or OSHA Methods
Physical Description
Colorless crystals or a syrupy, white liquid (above 82°F) with a mild, ammonia-like odor.
MW:
105.2
BP:
516°F (Decomposes)		 MLT: 82°F
Sol:
95%
VP:
<0.01 mmHg
IP:
?
Sp.Gr:
1.10
Fl.P:
279°F
UEL:
9.8%
LEL:
1.6%
Class IIIB Combustible Liquid: Fl.P. at or above 200°F.
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 contact
Symptoms
irritation eyes, skin, nose, throat; eye burns, corneal necrosis; skin burns; lacrimation (discharge of tears), cough, sneezing
Target Organs
Eyes, skin, respiratory system
Personal 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.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0618
 

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