Calcium Sulphate is available in professionally graded form for technical applications. It has a molecular formula of CaSO4 and a molecular weight of 136.14. This compound decomposes at high temperatures, with a Boiling Point above the range measurable by standard methods and a Melting Point of 1560.0 °C. A warning signal word indicates potential hazards associated with this substance, including respiratory irritation.

• CAS Number: 7778-18-9
• Molecular Formula: CaSO4
• Vapour Density: 2.96
• Molecular Weight: 136.14
• Boiling Point: Decomposes (no boiling point)
• Melting Point: 1560.0 °C — decomposes
• GHS Signal Word: Warning
• Exact Mass: 135.9143205
• Hazard Statements:
• H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]