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% |
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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 |
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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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