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Potassium hydroxide |
CAS 1310-58-3 | ||
KOH |
RTECS TT2100000 | ||
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Synonyms & Trade Names Caustic potash, Lye, Potassium hydrate |
DOT ID & Guide 1813 154 (dry, solid) 1814 154 (solution) |
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Exposure
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NIOSH REL: C 2 mg/m3 | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | Conversion | ||
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Physical Description Odorless, white or slightly yellow lumps, rods, flakes, sticks, or pellets. [Note: May be used as an aqueous solution.] |
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MW: 56.1 |
BP: 2415°F |
MLT: 716°F |
Sol(59°F): 107% |
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VP(1317°F): 1 mmHg |
IP: ? |
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Sp.Gr: 2.04 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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Noncombustible Solid; however, may react with H2O & other substances and generate sufficient heat to ignite combustible materials. |
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Incompatibilities & Reactivities Acids, water, metals (when wet), halogenated hydrocarbons, maleic anhydride [Note: Heat is generated if KOH comes in contact with H2O & CO2 from the air.] |
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Measurement Methods NIOSH 7401 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, respiratory system; cough, sneezing; eye, skin burns; vomiting, diarrhea | |
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Target Organs
Eyes, skin, respiratory system |
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| See also: INTRODUCTION See ICSC CARD: 0357 |