Sodium Hydrosulphite, AR ≥87.0%

Name: Sodium Hydrosulphite, AR ≥87.0%
Brand: Vaqora Chemicals
SKU: VQ-046928

About Sodium Hydrosulphite, AR ≥87.0%

Sodium Hydrosulphite (CAS 7775-14-6) is an industrial acid / alkali offered by Vaqora Chemicals in AR grade at a purity of ≥87.0%. The compound has the formula Na2O4S2, corresponding to a molecular weight of 174.11 g/mol. Common synonyms include Sodium Dithionite and Vatrolite.

Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include pH adjustment, chemical processing and metal treatment and cleaning. Typical end-use sectors are water treatment, metallurgy and mining and textiles and dyeing.

Available in 500 g packs, Sodium Hydrosulphite is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

pH adjustment
Chemical processing
Metal treatment & cleaning

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium Hydrosulphite, AR ≥87.0%
Catalogue No.	VQ-046928
CAS Number	7775-14-6
Molecular formula	Na₂O₄S₂
Molecular weight	174.11 g/mol
Exact mass	173.9033
Grade	AR
Purity / assay	≥87.0%
HSN code	28311010
InChIKey	JVBXVOWTABLYPX-UHFFFAOYSA-L
SMILES	[O-]S(=O)S(=O)[O-].[Na+].[Na+]
PubChem CID	24489

Physical properties
Physical form	Other
H-bond donors / acceptors	0 / 6
TPSA	119 Å²
Synonyms	Sodium Dithionite, Vatrolite, Sodium sulfoxylate, Disodium dithionite, Dithionous acid, disodium salt, Burmol, Blankit IN, V-Brite B, Hydrosulfite R Conc, Disodium hydrosulfite, Sodium hydrosulfite (Na2S2O4), Sodium dithionite (Na2(S2O4))

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Danger

Hazard statements

H251Self-heating, may catch fire
H302Harmful if swallowed

Precautionary statements: P235, P264, P270, P280, P301 + P317, P330, P407, P410, P413, P420, 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 7775-14-6

Sodium dithionite

CAS: 7775-14-6
Formula: Na₂O₄S₂
MW: 174.11 g/mol

VQ-000970

Industrial

Sodium Hydrosulphite (Sodium Dithionite)

CAS: 7775-14-6
Formula: Na₂O₄S₂
MW: 174.11 g/mol

VQ-019455

Frequently asked questions

What is the CAS number of Sodium Hydrosulphite, AR ≥87.0%?

The CAS Registry Number of Sodium Hydrosulphite, AR ≥87.0% is 7775-14-6. It is also known as Sodium Dithionite, Vatrolite, Sodium sulfoxylate.

What is the molecular formula and molecular weight of Sodium Hydrosulphite, AR ≥87.0%?

Sodium Hydrosulphite, AR ≥87.0% has the molecular formula Na2O4S2 and a molecular weight of 174.11 g/mol.

Which grade and pack sizes of Sodium Hydrosulphite, AR ≥87.0% can I order?

We supply Sodium Hydrosulphite, AR ≥87.0% in AR (≥87.0%) grade, in 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium Hydrosulphite, AR ≥87.0%?

Yes. Every lot of Sodium Hydrosulphite, AR ≥87.0% 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 Sodium Hydrosulphite, AR ≥87.0% be shipped internationally?

Yes. Sodium Hydrosulphite, AR ≥87.0% 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.