Potassium hydroxide
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CAS
1310-58-3
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KOH
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RTECS
TT2100000
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Synonyms & Trade Names
Caustic potash, Lye, Potassium hydrate
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DOT ID & Guide
1813 154 (dry, solid)
1814 154 (solution)
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Exposure
Limits
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NIOSH REL: C 2 mg/m3
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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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
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BP: 2415°F
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MLT: 716°F
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Sol(59°F): 107%
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VP(1317°F): 1 mmHg
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IP: ?
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Sp.Gr: 2.04
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Fl.P: NA
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UEL: NA
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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 codes)
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, 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 |
