calcium sulfate hemihydrate (CAS 10034-76-1) — formula (CaSO4)2.H2O, molecular weight 290.3; category inorganic chemicals.
calcium sulfate hemihydrate (CAS 10034-76-1) is a chemical raw material in the inorganic chemicals category. Its molecular formula (CaSO4)2.H2O comprises 2 Ca, 2 S, 9 O, 2 H atoms. Its molecular weight is about 290.3. Reported physicochemical data: melting point around 163 °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 | 10034-76-1 |
|---|---|
| Molecular Formula | (CaSO4)2.H2O |
| Molecular Weight | 290.3 |
| Melting Point | 163 °C |
| Applications | Other, Filler, Household Products: Information on 15 consumer products that contain Calcium sulfate hemihydrate in the following categories is provided, • Commercial / Institutional, • Home Maintenance, Information on 31 consumer products that contain Plaster of paris in the following categories is provided |
| Category | Inorganic Chemicals |
Documented applications: Other, Filler, Household Products: Information on 15 consumer products that contain Calcium sulfate hemihydrate in the following categories is provided, • Commercial / Institutional, • Home Maintenance, Information on 31 consumer products that contain Plaster of paris in the following categories is provided.
calcium sulfate hemihydrate is an inorganic compound with CAS registry number 10034-76-1 and molecular formula (CaSO4)2.H2O (molecular weight 290.3), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 10034-76-1
Its molecular formula (CaSO4)2.H2O comprises 2 Ca, 2 S, 9 O, 2 H atoms.
Also known as: calcium sulfate hemihydrate · 半水硫酸钙
Category: inorganic chemicals
The CAS registry number of calcium sulfate hemihydrate is 10034-76-1.
Molecular formula (CaSO4)2.H2O, molecular weight 290.3.
It is also registered under: calcium sulfate hemihydrate, 半水硫酸钙.
Recorded applications: Other, Filler, Household Products: Information on 15 consumer products that contain Calcium sulfate hemihydrate in the following categories is provided, • Commercial / Institutional, • Home Maintenance, Information on 31 consumer products that contain Plaster of paris in the following categories is provided.
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 hemihydrate (CAS 10034-76-1), compiled from public chemistry databases.
| CAS Registry Number | 10034-76-1 |
|---|---|
| PubChem CID | 3033839 |
| Molecular formula | (CaSO4)2.H2O |
| IUPAC name | dicalcium;disulfate;hydrate |
| UNII (FDA) | 3RW091J48V |
| Molecular Weight | 290.3 |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 0 |
| Exact Mass | 289.8392057 |
| Monoisotopic Mass | 289.8392057 |
| Topological Polar Surface Area | 178 |
| Heavy Atom Count | 13 |
| Melting Point | 163 °C |
|---|---|
| Solubility | 0.3 % at 77 °F (NIOSH, 2024) |
| Solubility | (77 °F): 0.3% |
| Density | 2.5 |
| Vapor Pressure | 0 mmHg (approx) (NIOSH, 2024) |
| Vapor Pressure | 0 mmHg (approx) |
Calcium sulfate, hemihydrate; RefChem:5639; Calcium sulfate hemihydrate; 10034-76-1; Plaster of paris; Gypsum hemihydrate; 26499-65-0; Crystacal; Densite; Hemihydrate gypsum; Densite (gypsum); dicalcium;disulfate;hydrate; Plaster of Paris (Ca(SO4).1/2H2O); Sulfuric acid, calcium salt, hydrate (2:2:1); calcium sulphate hemihydrate; TA 20
| GHS notification summary | 100% (75 / 75) |
|---|
| GHS notification summary | 100% (75 / 75) |
|---|---|
| Reported hazard statements | H335 |
This chemical does not meet GHS hazard criteria for 100% (75 of 75) of all reports.
Reported as not meeting GHS hazard criteria by 75 of 75 companies. For more detailed information, please visit ECHA C&L website.
calcium sulfate hemihydrate · CAS 10034-76-1 · (CaSO4)2.H2O. UNII 3RW091J48V. Melting Point: 163 °C; Solubility: 0.3 % at 77 °F (NIOSH, 2024); Solubility: (77 °F): 0.3%.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 半水硫酸钙