Diethanolamine
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CAS
111-42-2
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(HOCH2CH2)2NH
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RTECS
KL2975000
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Synonyms & Trade Names
DEA; Di(2-hydroxyethyl)amine; 2,2'-Dihydroxydiethyamine; Diolamine; bis(2-Hydroxyethyl)amine; 2,2'-Iminodiethanol
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DOT ID & Guide
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Exposure
Limits
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NIOSH REL: TWA 3 ppm (15 mg/m3)
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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Conversion
1 ppm = 4.30 mg/m3
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Physical Description
Colorless crystals or a syrupy, white liquid (above 82°F) with a mild, ammonia-like odor.
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MW: 105.2
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BP: 516°F (Decomposes)
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MLT: 82°F
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Sol: 95%
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VP: <0.01 mmHg
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IP: ?
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Sp.Gr: 1.10
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Fl.P: 279°F
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UEL: 9.8%
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LEL: 1.6%
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Class IIIB Combustible Liquid
Combustible Solid
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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.]
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Measurement Methods
NIOSH 3509; OSHA PV2018
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, skin, nose, throat; eye burns, corneal necrosis; skin burns; lacrimation (discharge of tears), cough, sneezing
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Target Organs
Eyes, skin, respiratory system
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See also: INTRODUCTION
See ICSC CARD: 0618 |
