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CAS 7778-18-9

CAS 7778-18-9 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 7778-18-9

CAS 7778-18-9PubChem CID 24497

Calcium Sulfate

Calcium sulfate is an inorganic calcium salt and a calcium salt. — ChEBI

IUPAC name: calcium sulfate

Molecular formula: CaO4S
Molecular weight: 136.14 g/mol
Exact mass: 135.9143205 Da
Topological polar surface area: 88.6 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 4
Covalent units: 2
Defined stereocentres: 0

Also known as

Anhydrous gypsumDrieriteKarsteniteMuriaciteBasic calcium sulfateCalcium sulfate, anhydrouscalcium sulphateCalcium sulfate anhydrous

16 more reported names

CrysalbaOsteosetThioliteAnhydrous sulfate of limeNatural anhydriteSulfuric acid, calcium salt (1:1)Anhydrous calcium sulfateOparex 10GIBSFranklin Fiber H 45SSS-ACalcium sulfate (1:1)Calcium sulfate (CaSO4)CalmatrixCalcarea sulphurica 30CCAS 20

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External database identifiers

ChEBI:CHEBI:31346
ChEMBL:CHEMBL2106140
EPA DTXSID:DTXSID9029699

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

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How CAS 7778-18-9 is used on this site

CAS 7778-18-9 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 7778-18-9 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.