Calcium hydroxide |
Synonyms & Trade Names Calcium hydrate, Caustic lime, Hydrated lime, Slaked lime |
CAS No. 1305-62-0 |
RTECS No. EW2800000 |
DOT ID & Guide |
FormulaCa(OH)2 |
Conversion |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: TWA 5 mg/m3
OSHA PEL: TWA 15 mg/m3 (total) 5 mg/m3 (resp) |
Measurement Methods
NIOSH 7020;
OSHA ID121
See: NMAM or OSHA Methods |
Physical Description White, odorless powder. [Note: Readily absorbs CO2 from the air to form calcium carbonate.] |
MW: 74.1 |
BP: Decomposes |
MLT: 1076°F (Decomposes) (Loses H2O) |
Sol(32°F): 0.2% |
VP: 0 mmHg (approx) |
IP: NA |
Sp.Gr: 2.24 |
Fl.P: NA |
UEL: NA |
LEL: NA |
|
|
| Noncombustible Solid |
Incompatibilities & Reactivities Maleic anhydride, phosphorus, nitroethane, nitromethane, nitroparaffins, nitropropane [Note: Attacks some metals.] |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, upper respiratory system; eye, skin burns; skin vesiculation; cough, bronchitis, pneumonitis |
Target Organs Eyes, skin, respiratory system |
|
Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap 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: 0408
|
