Calcium sulfate

CAS 7778-18-9 CaSO₄ MW 136.1000 Warning

Exclamation Mark

Emergency: 911 | Poison Control: 1-800-222-1222

Hazard Statements

Code	Statement	Hazard Class
`H335`	May cause respiratory irritation	Specific target organ toxicity, single exposure; Respiratory tract irritation

Precautionary Statements

Code	Statement
`P261`	Avoid breathing dust/fume/gas/mist/vapors/spray.
`P271`	Use only outdoors or in a well-ventilated area.
`P304+P340`	IF INHALED: Remove person to fresh air and keep comfortable for breathing.
`P319`	Get medical help if you feel unwell.
`P403+P233`	Store in a well-ventilated place. Keep container tightly closed.
`P405`	Store locked up.
`P501`	Dispose of contents/container to ...

Physical Properties

Odorless, white powder or colorless, crystalline solid.

Boiling Point	decomposes
Vapor Pressure	0 mmHg (approx)
Specific Gravity	2.96

Target Organs

Lungs Skin Eyes

physical irritation

Synonyms

anhydrous calcium sulfate; anhydrous gypsum; anhydrous sulfate of lime; calcium salt of sulfuric acid

Data Sources

GHS Classification: PubChem CID 24497

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.

See something wrong? Report a data issue.