Aluminium hydroxide, gel

Name: Aluminium hydroxide, gel
Brand: Vaqora Chemicals
SKU: VQ-015110

About Aluminium hydroxide, gel

Aluminium hydroxide, gel (CAS 21645-51-2) is a main-group metal compound offered by Vaqora Chemicals at a purity of 47–60%. Its molecular formula is AlH3O3 and its molecular weight is 78.0 g/mol. Systematically, it is named aluminum trihydroxide. It is also known as Hydrated alumina or Dried aluminium hydroxide.

The material typically appears as a white powder. 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.

Key uses span catalysis and water treatment. Buyers come mainly from academic and industrial research.

Standard pack sizes are 250 g, 500 g, 5 kg and 20 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Catalysis
Water treatment

Industries

Specifications & identifiers

Chemical identifiers
Product name	Aluminium hydroxide, gel
Catalogue No.	VQ-015110
CAS Number	21645-51-2
IUPAC name	aluminum trihydroxide
Molecular formula	AlH₃O₃
Molecular weight	78 g/mol
Exact mass	77.9898
Purity / assay	47–60%
HSN code	28183000
InChIKey	WNROFYMDJYEPJX-UHFFFAOYSA-K
SMILES	[OH-].[OH-].[OH-].[Al+3]
PubChem CID	10176082

Physical properties
Physical form	Powder
Appearance	White powder
H-bond donors / acceptors	3 / 3
TPSA	3 Å²
Synonyms	Hydrated alumina, Dried aluminium hydroxide, Aluminum hydroxide, dried, Aluminium hydroxide, dried, Aluminum hydroxide gel, dried, Aluminium hydroxide gel, dried, Hydroxyde d' aluminium, aluminium(III) hydroxide, Di-mu-hydroxytetrahydroxydialuminum, Alum Adjuvant, ALterna GEL, Alumane Trihydrate

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 21645-51-2

Aluminium hydroxide, 76.5% min

CAS: 21645-51-2
Formula: AlH₃O₃
MW: 78 g/mol

VQ-015109

BP/USP/EP / Dry

Aluminium hydroxide, BP/USP/EP, specially dried

CAS: 21645-51-2
Formula: AlH₃O₃
MW: 78 g/mol

VQ-046474

Frequently asked questions

What is the CAS number of Aluminium hydroxide, gel?

The CAS Registry Number of Aluminium hydroxide, gel is 21645-51-2. It is also known as Hydrated alumina, Dried aluminium hydroxide, Aluminum hydroxide, dried.

What is the molecular formula and molecular weight of Aluminium hydroxide, gel?

Aluminium hydroxide, gel has the molecular formula AlH3O3 and a molecular weight of 78 g/mol. Its IUPAC name is aluminum trihydroxide.

Which grade and pack sizes of Aluminium hydroxide, gel can I order?

We supply Aluminium hydroxide, gel in (47–60%) grade, in 250 g, 500 g, 5 kg, 20 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Aluminium hydroxide, gel?

Yes. Every lot of Aluminium hydroxide, gel 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 hydroxide, gel be shipped internationally?

Yes. Aluminium hydroxide, gel 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.