Potassium sulphite, GR 90%

Name: Potassium sulphite, GR 90%
Brand: Vaqora Chemicals
SKU: VQ-014072

About Potassium sulphite, GR 90%

Potassium sulphite is an alkali metal compound (AR grade) carrying the CAS registry number 10117-38-1, specified at 90% purity. Its molecular formula is K2O3S and its molecular weight is 158.26 g/mol. Systematically, it is named dipotassium. Sulfite. It is also known as Sulfurousacid or potassium salt (1:2).

The material typically appears as a white to yellowish powder. 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.

It is commonly used for materials research and chemical synthesis. Buyers come mainly from academic and industrial research.

We offer Potassium sulphite in 1 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Materials research
Chemical synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Potassium sulphite, GR 90%
Catalogue No.	VQ-014072
CAS Number	10117-38-1
IUPAC name	dipotassium;sulfite
Molecular formula	K₂O₃S
Molecular weight	158.26 g/mol
Exact mass	157.8842
Grade	AR
Purity / assay	90%
HSN code	28334000
InChIKey	BHZRJJOHZFYXTO-UHFFFAOYSA-L
SMILES	[O-]S(=O)[O-].[K+].[K+]
PubChem CID	24958

Physical properties
Physical form	Powder
Appearance	White to yellowish powder
H-bond donors / acceptors	0 / 4
TPSA	82.4 Å²
Synonyms	Sulfurousacid, potassium salt (1:2), Dipotassium sulfite, Sulfurous acid, dipotassium salt, Potassium sulfite (K2SO3), Sulfurous acid, potassium salt, INS NO.225, INS-225, Potassiumsulfite, Sulfurous acid, potassium salt (1:2), Potassium sulfite(IV), Potassium sulfite, 90%

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 10117-38-1

Synthesis

Potassium sulphite

CAS: 10117-38-1
Formula: K₂O₃S
MW: 158.26 g/mol

VQ-014071

Frequently asked questions

What is the CAS number of Potassium sulphite, GR 90%?

The CAS Registry Number of Potassium sulphite, GR 90% is 10117-38-1. It is also known as Sulfurousacid, potassium salt (1:2), Dipotassium sulfite.

What is the molecular formula and molecular weight of Potassium sulphite, GR 90%?

Potassium sulphite, GR 90% has the molecular formula K2O3S and a molecular weight of 158.26 g/mol.

Which grade and pack sizes of Potassium sulphite, GR 90% can I order?

We supply Potassium sulphite, GR 90% in AR (90%) grade, in 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Potassium sulphite, GR 90%?

Yes. Every lot of Potassium sulphite, GR 90% 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 Potassium sulphite, GR 90% be shipped internationally?

Yes. Potassium sulphite, GR 90% 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.