Calcium sulfate hemihydrate

硫酸钙半水合物

Also known as: CALCINED GYPSUM, CALCIUM SULFATE 0.5-WATER, CALCIUM SULFATE CALCINED, CALCIUM SULFATE CALCINED HEMIHYDRATE, CALCIUM SULFATE HEMIHYDRATE, CALCIUM SULFATE, 1/2-HYDRATE, CALCIUM SULPHATE 1/2 H2O, CALCIUMSULFATE BINDER CAB 30, Calcium sulfate hydrate (1:1:1), Calcium sulfate, hemihydrate, Calcium sulfate,medicinal, CalciumSulphateDriedBp, Dried gypsum, PLASTER OF PARIS

Calcium sulfate hemihydrate (CAS 10034-76-1) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H2CaO5S and a molecular weight of 154.156 g/mol. It is also known as CALCINED GYPSUM, CALCIUM SULFATE 0.5-WATER and CALCIUM SULFATE CALCINED. Key properties include a melting point of 1450ºC and a boiling point of 330ºC at 760mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
10034-76-1
Jingsj CID
J-41103-9
Molecular Formula
H2CaO5S
Chinese Name
硫酸钙半水合物
Molecular Weight
154.156 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Point1450ºC
Boiling Point330ºC at 760mmHg

Frequently Asked Questions

What is the CAS number of Calcium sulfate hemihydrate?

The CAS number of Calcium sulfate hemihydrate is 10034-76-1.

What are the molecular formula and molecular weight of Calcium sulfate hemihydrate?

Calcium sulfate hemihydrate has molecular formula H2CaO5S and molecular weight 154.156 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Calcium sulfate hemihydrate (CAS 10034-76-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41103-9 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.