Aluminium sulphide

Name: Aluminium sulphide
Brand: Vaqora Chemicals
SKU: VQ-015130

About Aluminium sulphide

Aluminium sulphide (CAS 1302-81-4) is a main-group metal compound offered by Vaqora Chemicals in Synthesis grade, specified at ≥98% purity. Its molecular formula is Al2S3 and its molecular weight is 150.2 g/mol. Systematically, it is named dialuminum. Trisulfide. It is also known as Dialuminium trisulfide or Aluminum sulfide.

In its supplied form it is a white to yellow to grey powder or granules or chunk. Reported physical data include a density of 2.02 g/mL at 25 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span materials research and chemical synthesis. It is used across academic and industrial research.

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

Typical applications

Materials research
Chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Aluminium sulphide
Catalogue No.	VQ-015130
CAS Number	1302-81-4
IUPAC name	dialuminum;trisulfide
Molecular formula	Al₂S₃
Molecular weight	150.2 g/mol
Exact mass	149.8793
Grade	Synthesis
Purity / assay	≥98%
HSN code	28309010
InChIKey	COOGPNLGKIHLSK-UHFFFAOYSA-N
SMILES	[Al+3].[Al+3].[S-2].[S-2].[S-2]
PubChem CID	159369

Physical properties
Physical form	Granules
Appearance	White to yellow to grey powder or granules or chunk
Density	2.02 g/mL at 25 °C
H-bond donors / acceptors	0 / 3
TPSA	3 Å²
UN number	UN 3335
Synonyms	Dialuminium trisulfide, Aluminum sulfide, Aluminum sulfide (Al2S3), dialuminum trisulfide, Dialuminium trisulphide, Aluminumsulfide, starbld0016532, Al2S3, Aluminium sulfide (2/3)

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Danger

Hazard statements

H260In contact with water releases flammable gases which may ignite spontaneously
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P223, P231 + P232, P261, P264, P264 + P265, P271, P280, P302 + P335 + P334, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P402 + P404, 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 Aluminium sulphide?

The CAS Registry Number of Aluminium sulphide is 1302-81-4. It is also known as Dialuminium trisulfide, Aluminum sulfide, Aluminum sulfide (Al2S3).

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

Aluminium sulphide has the molecular formula Al2S3 and a molecular weight of 150.2 g/mol.

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

We supply Aluminium sulphide in Synthesis (≥98%) grade, in 100 g, 500 g, 25 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Aluminium sulphide?

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

Yes. Aluminium sulphide is classified as hazardous (UN 3335), 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.