Aluminium sulphate, GR 99%+

Name: Aluminium sulphate, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-015128

About Aluminium sulphate, GR 99%+

Aluminium sulphate (CAS 7784-31-8) is a main-group metal compound offered by Vaqora Chemicals in AR grade with a typical assay of ≥99%. Formula Al2H36O30S3, molecular weight 666.4 g/mol. Systematically, it is named dialuminum. Trisulfate. Octadecahydrate. Common synonyms include Aluminium sulfate octadecahydrate and Aluminum sulfate octadecahydrate.

The material typically appears as white powder, granules, crystals, crystalline powder or chunks. 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.

It is commonly used for dyes and pigments manufacture, water treatment and textile processing. Buyers come mainly from academic and industrial research.

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

Typical applications

Dyes & pigments manufacture
Water treatment
Textile processing

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Aluminium sulphate, GR 99%+
Catalogue No.	VQ-015128
CAS Number	7784-31-8
IUPAC name	dialuminum;trisulfate;octadecahydrate
Molecular formula	Al₂H₃₆O₃₀S₃
Molecular weight	666.4 g/mol
Exact mass	666.0084
Grade	AR
Purity / assay	≥99%
HSN code	28332210
InChIKey	AMVQGJHFDJVOOB-UHFFFAOYSA-H
SMILES	O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Al+3].[Al+3]
PubChem CID	22377415

Physical properties
Physical form	Granules
Appearance	White powder, granules, crystals, crystalline powder or chunks
H-bond donors / acceptors	18 / 30
TPSA	284 Å²
Synonyms	Aluminium sulfate octadecahydrate, Aluminum sulfate octadecahydrate, Patent alum, aluminum(III) sulfate octadecahydrate, Cake alum octadecahydrate, Aluminum sulphate octadecahydrate, Dialuminum sulfate octadecahydrate, Sulfuric acid, aluminum salt (3:2), octadecahydrate, aluminum sulfate.18H2O, aluminium sulfate.18H2O, Al2(SO4)3.18H2O, dialuminium sulfate octadecahydrate

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H290May be corrosive to metals
H318Causes serious eye damage
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P234, P264 + P265, P273, P280, P305 + P354 + P338, P317, P390, P406, 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 7784-31-8

Aluminium sulphate, 98%

CAS: 7784-31-8
Formula: Al₂H₃₆O₃₀S₃
MW: 666.4 g/mol

VQ-015127

Frequently asked questions

What is the CAS number of Aluminium sulphate, GR 99%+?

The CAS Registry Number of Aluminium sulphate, GR 99%+ is 7784-31-8. It is also known as Aluminium sulfate octadecahydrate, Aluminum sulfate octadecahydrate, Patent alum.

What is the molecular formula and molecular weight of Aluminium sulphate, GR 99%+?

Aluminium sulphate, GR 99%+ has the molecular formula Al2H36O30S3 and a molecular weight of 666.4 g/mol.

Which grade and pack sizes of Aluminium sulphate, GR 99%+ can I order?

We supply Aluminium sulphate, GR 99%+ in AR (≥99%) grade, in 500 g, 5 kg, 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 sulphate, GR 99%+?

Yes. Every lot of Aluminium sulphate, GR 99%+ 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 sulphate, GR 99%+ be shipped internationally?

Yes. Aluminium sulphate, GR 99%+ 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.