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VAQORACHEMICALS
Alkali Metal Compounds (Li, Na, K, Rb, Cs)Extra PureAvailable on request

Potassium nitrite, 98%

Synonyms: Nitrous acid, potassium salt · Potassium nitrite (1:1) · Nitrous acid potassium salt (1:1) · INS NO.249

CAS No.7758-09-0
FormulaKNO2
Mol. weight85.10
Catalogue No.VQ-014056
Purity98%
HSN28341090

Potassium nitrite (CAS 7758-09-0) – alkali metal compound, Extra Pure grade, 98%. KNO2, MW 85.1. Request a quote: COA, bulk packs and worldwide export.

Pack sizesPrice on quotation · bulk available
500 g
5 kg
25 kg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Potassium nitrite, 98%

Listed under CAS 7758-09-0, Potassium nitrite is an alkali metal compound available from Vaqora Chemicals in Extra Pure grade, specified at 98% purity. Formula KNO2, molecular weight 85.1 g/mol. It is also known as Nitrous acid, potassium salt or Potassium nitrite (1:1).

In its supplied form it is a colourless to white powder or crystalline powder. Key physical data: a density of 1.92 g/cm3 at 20 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for materials research and chemical synthesis. It is used across academic and industrial research.

Available in 500 g, 5 kg and 25 kg packs, Potassium nitrite is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

  • Materials research
  • Chemical synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product namePotassium nitrite, 98%
Catalogue No.VQ-014056
CAS Number7758-09-0
IUPAC namepotassium nitrite
Molecular formulaKNO2
Molecular weight85.1 g/mol
Exact mass84.9566
GradeExtra Pure
Purity / assay98%
HSN code28341090
InChIKeyBXNHTSHTPBPRFX-UHFFFAOYSA-M
SMILESN(=O)[O-].[K+]
PubChem CID516910
Physical properties
Physical formPowder
AppearanceColourless to white powder or crystalline powder
Density1.92 g/cm3 at 20 °C
H-bond donors / acceptors0 / 3
TPSA52.5 Ų
UN numberUN 1488
SynonymsNitrous acid, potassium salt, Potassium nitrite (1:1), Nitrous acid potassium salt (1:1), INS NO.249, INS-249, Nitrous acid potassium salt, Nitrous acid, potassium salt (1:1), Potassium nitrite [UN1488] [Oxidizer], KNO2, Potassium nitrite (KNO2), Potassium nitrite, ACS grade

Safety & hazard information (GHS)

GHS03 Oxidiser
Oxidiser
GHS06 Toxic
Toxic
GHS09 Environmental hazard
Environmental hazard

Signal word: Danger

Hazard statements

  • H272May intensify fire, oxidizer
  • H301Toxic if swallowed
  • H400Very toxic to aquatic life

Precautionary statements: P210, P220, P264, P270, P273, P280, P301 + P316, P321, P330, P370 + P378, P391, 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

Other grades of CAS 7758-09-0

Frequently asked questions

What is the CAS number of Potassium nitrite, 98%?

The CAS Registry Number of Potassium nitrite, 98% is 7758-09-0. It is also known as Nitrous acid, potassium salt, Potassium nitrite (1:1), Nitrous acid potassium salt (1:1).

What is the molecular formula and molecular weight of Potassium nitrite, 98%?

Potassium nitrite, 98% has the molecular formula KNO2 and a molecular weight of 85.1 g/mol. Its IUPAC name is potassium nitrite.

Which grade and pack sizes of Potassium nitrite, 98% can I order?

We supply Potassium nitrite, 98% in Extra Pure (98%) 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 Potassium nitrite, 98%?

Yes. Every lot of Potassium nitrite, 98% 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 nitrite, 98% be shipped internationally?

Yes. Potassium nitrite, 98% is classified as hazardous (UN 1488), 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.

Enquire about Potassium nitrite, 98%

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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