Calcium Sulphate Dihydrate exhibits clearly defined physical and chemical properties. Its molecular formula is CaSO4, with a molecular weight of 136.14. This compound decomposes upon heating, with a Boiling Point above the measured range. It has a Melting Point of 1560.0 °C, also above the measured range. The hazard signal word for this substance is Warning due to potential respiratory irritation.

• CAS Number: 10101-41-4
• Melting Point: 1560.0 °C — decomposes
• Vapour Density: 2.96
• GHS Signal Word: Warning
• Molecular Weight: 136.14
• Boiling Point: Decomposes (no boiling point)
• Exact Mass: 135.9143205
• Molecular Formula: CaSO4
• Hazard Statements:
• H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]