Functional Roles
Industries Served
Physical Properties
melting_point
1076 u00b0F (Decomposes) (Loses H2O) (NIOSH, 2024)
boiling_point
Decomposes (NIOSH, 2024)
density
2.24 at 68 u00b0F (USCG, 1999) - Denser than water; will sink
solubility
0.2 % at 32 u00b0F (NIOSH, 2024)
vapor_pressure
0 mmHg (approx) (NIOSH, 2024)
flash_point
/Calcium Hydroxide is/ non flammable
ph
pH = 12.4 (aqueous solution saturated at 25 u00b0C)
GHS / SDS Safety
Danger
Irritant
Health Hazard
Corrosive
- H315: Causes skin irritation [Warning Skin corrosion/irritation]
- H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H335 (38.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
- H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
- Not Classified
- H318 (76.9%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H315 (45.3%): Causes skin irritation [Warning Skin corrosion/irritation]
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- Reported as not meeting GHS hazard criteria by 1 of 1 companies. For more detailed information, please visit ECHA C&L website.
- H314 (22.4%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Chemical Identity
| CAS Number | 1305-62-0 |
| IUPAC Name | calcium dihydroxide |
| InChI Key | AXCZMVOFGPJBDE-UHFFFAOYSA-L |
| PubChem CID | 6093208 |
| INCI Name | CALCIUM HYDROXIDE |
Synonyms & Trade Names
Full Description
Calcium Hydroxide USP FCC PDR is a high-purity, fine white powder widely used in pharmaceutical, food, and industrial applications.