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Diethanolamine |
CAS 111-42-2 | ||
(HOCH2CH2)2NH |
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 |
DOT ID & Guide |
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Exposure
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NIOSH REL: TWA 3 ppm (15 mg/m3) | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | 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 |
BP: 516°F (Decomposes) |
MLT: 82°F |
Sol: 95% |
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VP: <0.01 mmHg |
IP: ? |
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Sp.Gr: 1.10 |
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Fl.P: 279°F |
UEL: 9.8% |
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 |
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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 |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations Not available. |
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| 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 | |
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Target Organs
Eyes, skin, respiratory system |
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| See also: INTRODUCTION See ICSC CARD: 0618 |