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Home/Compounds/CAS 7778-18-9
Formula CaO4SMW 136.14Research-use catalog entryCOA/SDS by request

Calcium Sulfate

CAS Number: 7778-18-9

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Loading RDKit molecule structure...
InChIKey: OSGAYBCDTDRGGQ-UHFFFAOYSA-LCaO4S | MW 136.14

Chemical Absolute Identifiers

CAS Number

7778-18-9

PubChem CID

24497

Molecular Formula

CaO4S

Molecular Weight

136.14 g/mol

Exact Mass

135.914321

InChIKey

OSGAYBCDTDRGGQ-UHFFFAOYSA-L

SMILES String

[O-]S(=O)(=O)[O-].[Ca+2]

Physical Properties

Melting Point

145.0 °C

Show more physical data

Vapor Pressure

mmHg

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

Calcium Sulfate (CAS 7778-18-9) is listed in the Catalysts and Ligands portfolio, with molecular formula CaO4S and molecular weight 136. 14 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for catalysis development, ligand screening, and synthetic method research.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Catalysis and Ligand ResearchResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Handling & Storage

  • Keep container tightly closed and dry.
  • Store in a well-ventilated place.

PPE

Respiratory protection if needed

First Aid

  • Do not give anything to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • and reactivity.
  • Metal oxides, sulfides.

Disposal

  • Waste product.
  • Dispose of remaining and non-recyclable solutions to a licensed company.
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Fire Fighting

  • If necessary, wear a self-contained breathing apparatus during firefighting.

Accidental Release

  • Do not generate dust when collecting and disposing.
  • Sweep and shovel up.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

Calcium Sulfate

Names & Synonyms

Anhydrous gypsumDrieriteKarsteniteMuriacitecalcium sulphate
Show all synonyms
Basic calcium sulfateCalcium sulfate, anhydrousCalcium sulfate anhydrousCrysalbaOsteosetThioliteAnhydrous sulfate of limeNatural anhydriteSulfuric acid, calcium salt (1:1)Anhydrous calcium sulfateOparex 10CalmatrixGIBSFranklin Fiber H 45SSS-A
External Identifiers
EC NUMBER: 231-900-3EC NUMBER: 604-615-0DSSTOX SUBSTANCE ID: DTXSID9029699CHEMBL ID: CHEMBL2106140CHEBI ID: CHEBI:31346UNII: E934B3V59HDRUGBANK ID: DB15533HMDB ID: HMDB0303525ICSC NUMBER: 1589KEGG ID: C13194KEGG ID: D09201NCI THESAURUS CODE: C65280NCI THESAURUS CODE: C65282RXCUI: 1328529RXCUI: 1925WIKIDATA ID: Q407258
Experimental Spectrum References
ATR-IR Spectra — Forensic Spectral ResearchFTIR SpectraRaman Spectra

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

Calcium Sulfate DihydrateCAS 10101-41-4
Calcium Sulfate, HemihydrateCAS 10034-76-1
Methanesulfonic acid, 1,1,1-trifluoro-, calcium salt (2:1)CAS 55120-75-7
Calcium molybdateCAS 7789-82-4
Wollastonite (Ca(SiO3))CAS 10101-39-0

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 10101-41-4Calcium Sulfate DihydrateCAS 10034-76-1Calcium Sulfate, HemihydrateCAS 55120-75-7Methanesulfonic acid, 1,1,1-trifluoro-, calcium salt (2:1)CAS 7789-82-4Calcium molybdateCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 7778-18-9

What are the key identifiers for Calcium Sulfate (CAS 7778-18-9)?

Calcium Sulfate is identified by CAS 7778-18-9, with molecular formula CaO4S, molecular weight 136.14, InChIKey OSGAYBCDTDRGGQ-UHFFFAOYSA-L.

Can I request a COA for CAS 7778-18-9?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for Calcium Sulfate?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 7778-18-9 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

Can MolGraph support bulk sourcing or custom synthesis review?

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