Calcium sulphate anhydrous, LR, specially dri… 7778-18-9

Name: Calcium sulphate anhydrous, LR, specially dried ≥97%
Brand: Vaqora Chemicals
SKU: VQ-045734

About Calcium sulphate anhydrous, LR, specially dried ≥97%

Calcium sulphate anhydrous (CAS 7778-18-9) is an alkaline earth compound offered by Vaqora Chemicals (LR / Dry grade) at a purity of ≥97%. Formula CaO4S, molecular weight 136.14 g/mol. Systematically, it is named calcium sulfate. Common synonyms include Anhydrous gypsum and Drierite.

Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include materials research and chemical synthesis. Buyers come mainly from academic and industrial research.

Standard pack sizes are 500 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Materials research
Chemical synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Calcium sulphate anhydrous, LR, specially dried ≥97%
Catalogue No.	VQ-045734
CAS Number	7778-18-9
IUPAC name	calcium sulfate
Molecular formula	CaO₄S
Molecular weight	136.14 g/mol
Exact mass	135.9143
Grade	LR / Dry
Purity / assay	≥97%
HSN code	28332990
InChIKey	OSGAYBCDTDRGGQ-UHFFFAOYSA-L
SMILES	[O-]S(=O)(=O)[O-].[Ca+2]
PubChem CID	24497

Physical properties
Physical form	Other
H-bond donors / acceptors	0 / 4
TPSA	88.6 Å²
Synonyms	Anhydrous gypsum, Drierite, Karstenite, Muriacite, Basic calcium sulfate, Calcium sulfate, anhydrous, calcium sulphate, Calcium sulfate anhydrous, Thiolite, Anhydrous sulfate of lime, Natural anhydrite, Sulfuric acid, calcium salt (1:1)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H335May cause respiratory irritation

Precautionary statements: P261, P271, P304 + P340, P319, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 7778-18-9

Cell Culture

Calcium sulphate anhydrous, cell culture tested

CAS: 7778-18-9
Formula: CaO₄S
MW: 136.14 g/mol

VQ-046398

Calcium sulphate, anhydrous

CAS: 7778-18-9
Formula: CaO₄S
MW: 136.14 g/mol

VQ-014397

AR / Dry

Calcium sulphate, AR, specially dried 99.00–101.00%

CAS: 7778-18-9
Formula: CaO₄S
MW: 136.14 g/mol

VQ-046810

Frequently asked questions

What is the CAS number of Calcium sulphate anhydrous, LR, specially dried ≥97%?

The CAS Registry Number of Calcium sulphate anhydrous, LR, specially dried ≥97% is 7778-18-9. It is also known as Anhydrous gypsum, Drierite, Karstenite.

What is the molecular formula and molecular weight of Calcium sulphate anhydrous, LR, specially dried ≥97%?

Calcium sulphate anhydrous, LR, specially dried ≥97% has the molecular formula CaO4S and a molecular weight of 136.14 g/mol. Its IUPAC name is calcium sulfate.

Which grade and pack sizes of Calcium sulphate anhydrous, LR, specially dried ≥97% can I order?

We supply Calcium sulphate anhydrous, LR, specially dried ≥97% in LR / Dry (≥97%) grade, in 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Calcium sulphate anhydrous, LR, specially dried ≥97%?

Yes. Every lot of Calcium sulphate anhydrous, LR, specially dried ≥97% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Calcium sulphate anhydrous, LR, specially dried ≥97% be shipped internationally?

Yes. Calcium sulphate anhydrous, LR, specially dried ≥97% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.