Calcium dihydroxide

CAS 1305-62-0 Ca(OH)₂ MW 74.1000 Danger
Corrosion Corrosion
Exclamation Mark Exclamation Mark
Health Hazard Health Hazard
Emergency: 911 | Poison Control: 1-800-222-1222

Hazard Statements

CodeStatementHazard Class
H315 Causes skin irritation Skin corrosion/irritation
H318 Causes serious eye damage Serious eye damage/eye irritation
H370 Causes damage to organs Specific target organ toxicity, single exposure
H373 May causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure

Precautionary Statements

CodeStatement
P260 Do not breathe dust/fume/gas/mist/vapors/spray.
P264 Wash hands [and ...] thoroughly after handling.
P264+P265 Wash hands [and ...] thoroughly after handling. Do not touch eyes.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P302+P352 IF ON SKIN: wash with plenty of water/...
P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.
P308+P316 IF exposed or concerned: Get emergency medical help immediately.
P317 Get emergency medical help.
P319 Get medical help if you feel unwell.
P321 Specific treatment (see information on this label and safety datasheet)).
P332+P317 If skin irritation occurs: Get medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P405 Store locked up.
P501 Dispose of contents/container to ...

Exposure Limits

NIOSH REL5 mg-m3
Skin NotationYes — can be absorbed through skin

Physical Properties

White, odorless powder.

Boiling Pointdecomposes
Vapor Pressure0 mmHg (approx)
Specific Gravity2.24

Synonyms

calcium hydrate; caustic lime; hydrated lime; slaked lime

Data Sources

Disclaimer: This information is compiled from public regulatory databases for reference only. It does not replace the manufacturer's Safety Data Sheet (SDS). Always consult the official SDS for your specific product before handling chemicals.

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