Calcium sulphate, anhydrous
Buy Calcium sulphate, anhydrous (CAS 7778-18-9) from Zemixal. Request a quote with price, lead time and documents. Packs from 500 g.
About Calcium sulphate, anhydrous
Calcium sulphate, anhydrous is part of the Zemixal alkaline Earth Compounds (Be, Mg, Ca, Sr, Ba) range. Identity at a glance: CAS 7778-18-9, formula CaO4S and molar mass 136.14 g/mol. It is described as white powder.
Where it is used
- Fuels & lubricants
- Materials research
Storage and safety notes
Literature values: melting point 1450 °C and density 2.96. Hazard communication follows GHS (Warning: H335). Our SDS lists exposure controls and first-aid measures.
Available as 500 g, 5 kg and 25 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Specifications and identifiers
| Product name | Calcium sulphate, anhydrous |
|---|---|
| Catalogue number | ZX-013455 |
| CAS number | 7778-18-9 |
| IUPAC name | calcium sulfate |
| Molecular formula | CaO4S |
| Molar mass | 136.14 g/mol |
| Exact mass | 135.9143 |
| Physical form | Powder |
| Appearance | White powder |
| Melting point | 1450 °C |
| Density | 2.96 |
| H-bond donors / acceptors | 0 / 4 |
| Topological polar surface area | 88.6 Ų |
| HS code | 28332990 |
| InChIKey | OSGAYBCDTDRGGQ-UHFFFAOYSA-L |
| SMILES | [O-]S(=O)(=O)[O-].[Ca+2] |
| PubChem CID | 24497 |
| Synonyms | Gypsum, Anhydrous gypsum, Drierite, Karstenite, Muriacite, Basic calcium sulfate, Calcium sulfate, anhydrous, Calcium sulfate anhydrous, Thiolite, Anhydrous sulfate of lime, Natural anhydrite, Sulfuric acid, calcium salt (1:1) |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H335May cause respiratory irritation
Precautionary statements P261, P271, P304 + P340, P319, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Calcium sulphate, anhydrous
Which CAS number identifies Calcium sulphate, anhydrous?
What are the formula and molar mass of Calcium sulphate, anhydrous?
What grade and pack sizes are available for Calcium sulphate, anhydrous?
Which documents come with Calcium sulphate, anhydrous?
Can Zemixal ship Calcium sulphate, anhydrous to my country?
Other grades with CAS 7778-18-9
Related products
More in Alkaline Earth Compounds (Be, Mg, Ca, Sr, Ba)
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.