Aluminium ammonium sulphate, 99%

Name: Aluminium ammonium sulphate, 99%
Brand: Vaqora Chemicals
SKU: VQ-015090

About Aluminium ammonium sulphate, 99%

Aluminium ammonium sulphate is a main-group metal compound (Extra Pure grade) carrying the CAS registry number 7784-26-1 at a purity of 99%. Its molecular formula is AlH28NO20S2 and its molecular weight is 453.3 g/mol. The IUPAC name is aluminum. Azanium. Disulfate. Dodecahydrate. Common synonyms include Aluminium ammonium sulfate dodecahydrate and Ammonium alum.

It is supplied as white to off-white powder or crystals. Reported physical data include a melting point of 93.5 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis and materials research. Our customers for this product work in academic and industrial research.

Standard pack sizes are 500 g, 5 kg and 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
Materials research

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Aluminium ammonium sulphate, 99%
Catalogue No.	VQ-015090
CAS Number	7784-26-1
IUPAC name	aluminum;azanium;disulfate;dodecahydrate
Molecular formula	AlH₂₈NO₂₀S₂
Molecular weight	453.3 g/mol
Exact mass	453.0461
Grade	Extra Pure
Purity / assay	99%
HSN code	28333010
InChIKey	WZUKKIPWIPZMAS-UHFFFAOYSA-K
SMILES	[NH4+].O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Al+3]
PubChem CID	62668

Physical properties
Physical form	Crystalline
Appearance	White to off-white powder or crystals
Melting point	93.5 °C
H-bond donors / acceptors	13 / 20
TPSA	190 Å²
Synonyms	Aluminium ammonium sulfate dodecahydrate, Ammonium alum, ammonium alum dodecahydrate, Sulfuric acid, aluminium ammonium salt (2:1:1), dodecahydrate, Ammonia alum, Ammonium aluminum sulfate dodecahydrate, Monoaluminum monoammonium disulfate dodecahydrate, Ammonium aluminum sulfate hydrate, Aluminum ammonium disulfate dodecahydrate, Ammonium aluminum disulfate dodecahydrate, Ammonium alum (NH4Al(SO4)2.12H2O), Aluminum ammonium bis(sulfate) dodecahydrate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, 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 7784-26-1

AR

Aluminium ammonium sulphate, GR 99.5%+

CAS: 7784-26-1
Formula: AlH₂₈NO₂₀S₂
MW: 453.3 g/mol

VQ-015091

Frequently asked questions

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

The CAS Registry Number of Aluminium ammonium sulphate, 99% is 7784-26-1. It is also known as Aluminium ammonium sulfate dodecahydrate, Ammonium alum, ammonium alum dodecahydrate.

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

Aluminium ammonium sulphate, 99% has the molecular formula AlH28NO20S2 and a molecular weight of 453.3 g/mol.

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

We supply Aluminium ammonium sulphate, 99% in Extra Pure (99%) grade, in 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Aluminium ammonium sulphate, 99%?

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

Yes. Aluminium ammonium sulphate, 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.