Calcium sulphide

Name: Calcium sulphide
Brand: Vaqora Chemicals
SKU: VQ-014400

About Calcium sulphide

Calcium sulphide is an alkaline earth compound carrying the CAS registry number 20548-54-3, specified at 90% purity. Formula CaS, molecular weight 72.15 g/mol. Systematically, it is named calcium sulfide. Common synonyms include Hepar Sulphuris and Hepar Sulf.

It is supplied as a white to off-white to yellow powder. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for water treatment and materials research. Our customers for this product work in academic and industrial research.

Vaqora Chemicals supplies Calcium sulphide in 100 g, 500 g, 5 kg and 4 x 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Water treatment
Materials research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Calcium sulphide
Catalogue No.	VQ-014400
CAS Number	20548-54-3
IUPAC name	calcium sulfide
Molecular formula	CaS
Molecular weight	72.15 g/mol
Exact mass	71.9347
Purity / assay	90%
HSN code	28309010
InChIKey	AGVJBLHVMNHENQ-UHFFFAOYSA-N
SMILES	[S-2].[Ca+2]
PubChem CID	10197613

Physical properties
Physical form	Powder
Appearance	White to off-white to yellow powder
H-bond donors / acceptors	0 / 1
TPSA	1 Å²
Synonyms	Hepar Sulphuris, Hepar Sulf, Hepar Sulph Calc Kit Refill, Hepar sulphuris calcareum 6C, Hepar Sulphuris Calcareum 30c, Hepar sulphuris calcareum 200C, Hepar sulphuris calcareum 7120, Hepar sulfuris 30 Special Order, Hepar Sulphuris Calcareum 200ck, Bestmade Natural Products Hepar Sulphuris, Bestmade Natural Products Calcium Sulfide Hepar Sulph (Calc Sulf), calcium monosulfide

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H400Very toxic to aquatic life

Precautionary statements: P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P391, 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

Frequently asked questions

What is the CAS number of Calcium sulphide?

The CAS Registry Number of Calcium sulphide is 20548-54-3. It is also known as Hepar Sulphuris, Hepar Sulf, Hepar Sulph Calc Kit Refill.

What is the molecular formula and molecular weight of Calcium sulphide?

Calcium sulphide has the molecular formula CaS and a molecular weight of 72.15 g/mol. Its IUPAC name is calcium sulfide.

Which grade and pack sizes of Calcium sulphide can I order?

We supply Calcium sulphide in (90%) grade, in 100 g, 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Calcium sulphide?

Yes. Every lot of Calcium sulphide 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 sulphide be shipped internationally?

Yes. Calcium sulphide 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.