Calcium Sulfate Dihydrate (CAS 10101-41-4) — formula CaSO4.2H2O, molecular weight 172.17; category inorganic chemicals.
Calcium Sulfate Dihydrate (CAS 10101-41-4) is a chemical raw material in the inorganic chemicals category. Its molecular formula CaSO4.2H2O comprises 1 Ca, 1 S, 5 O, 2 H atoms. Its molecular weight is about 172.17. Reported physicochemical data: melting point around 100-150 °C. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 10101-41-4 |
|---|---|
| Molecular Formula | CaSO4.2H2O |
| Molecular Weight | 172.17 |
| Melting Point | 100-150 °C |
| Applications | Used to manufacture plasterboard and plaster of Paris, [Harber, p. 358], Mining, Used to make Portland cement, plaster of Paris |
| Category | Inorganic Chemicals |
Documented applications: Used to manufacture plasterboard and plaster of Paris, [Harber, p. 358], Mining, Used to make Portland cement, plaster of Paris.
Calcium Sulfate Dihydrate is an inorganic compound with CAS registry number 10101-41-4 and molecular formula CaSO4.2H2O (molecular weight 172.17), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 10101-41-4
Its molecular formula CaSO4.2H2O comprises 1 Ca, 1 S, 5 O, 2 H atoms.
Also known as: Calcium Sulfate Dihydrate · 二水硫酸钙
Category: inorganic chemicals
The CAS registry number of Calcium Sulfate Dihydrate is 10101-41-4.
Molecular formula CaSO4.2H2O, molecular weight 172.17.
It is also registered under: Calcium Sulfate Dihydrate, 二水硫酸钙.
Recorded applications: Used to manufacture plasterboard and plaster of Paris, [Harber, p. 358], Mining, Used to make Portland cement, plaster of Paris.
Category: Inorganic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Calcium Sulfate Dihydrate (CAS 10101-41-4), compiled from public chemistry databases.
| CAS Registry Number | 10101-41-4 |
|---|---|
| PubChem CID | 24928 |
| Molecular formula | CaSO4.2H2O |
| IUPAC name | calcium;sulfate;dihydrate |
| UNII (FDA) | 4846Q921YM |
| Molecular Weight | 172.17 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 0 |
| Exact Mass | 171.9354499 |
| Monoisotopic Mass | 171.9354499 |
| Topological Polar Surface Area | 90.6 |
| Heavy Atom Count | 8 |
| Melting Point | 100-150 °C |
|---|---|
| Solubility | 0.2 % at 77 °F (NIOSH, 2024) |
| Solubility | (77 °F): 0.2% |
| Density | 2.32 g/cm³ |
| Density | 2.32 |
| Vapor Pressure | 0 mmHg (approx) (NIOSH, 2024) |
| Vapor Pressure | 0 mmHg (approx) |
Calcium sulfate dihydrate; 10101-41-4; Satinite; Light spar; Satin spar; Annaline; Compactrol; Magnesia White; Native calcium sulfate; Precipitated calcium sulfate; Calcium sulfate, dihydrate; Alabaster; Gypsum fibrosum; Sulfuric acid, calcium salt, hydrate (1:1:2); Calcium sulphate dihydrate; Sulfuric acid, calcium(2+) salt, dihydrate
| GHS notification summary | 100% (278 / 278) |
|---|
| GHS notification summary | 100% (278 / 278) |
|---|---|
| Reported hazard statements | H335 |
This chemical does not meet GHS hazard criteria for 100% (278 of 278) of all reports.
Reported as not meeting GHS hazard criteria by 278 of 278 companies. For more detailed information, please visit ECHA C&L website.
Calcium Sulfate Dihydrate · CAS 10101-41-4 · CaSO4.2H2O. UNII 4846Q921YM. Melting Point: 100-150 °C; Solubility: 0.2 % at 77 °F (NIOSH, 2024); Solubility: (77 °F): 0.2%.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 二水硫酸钙