Potassium chromate, 99%

Name: Potassium chromate, 99%
Brand: Vaqora Chemicals
SKU: VQ-014013

About Potassium chromate, 99%

Potassium chromate (CAS 7789-00-6) is an alkali metal compound offered by Vaqora Chemicals with a typical assay of ≥99%. With the molecular formula CrK2O4, it has a molar mass of 194.19 g/mol. Its systematic (IUPAC) name is dipotassium. Dioxido(dioxo)chromium. Alternative names: Chromic acid and (K2CrO4).

It is supplied as yellow powder or crystalline powder or chunks. Literature values give a melting point of 971 °C and a boiling point of 1000 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 7 hazard statements. Review the Safety Data Sheet before use.

Key uses span materials research and chemical synthesis. Buyers come mainly from academic and industrial research.

Available in 500 g, 5 kg and 4 x 25 kg packs, Potassium chromate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Materials research
Chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Potassium chromate, 99%
Catalogue No.	VQ-014013
CAS Number	7789-00-6
IUPAC name	dipotassium;dioxido(dioxo)chromium
Molecular formula	CrK₂O₄
Molecular weight	194.19 g/mol
Exact mass	193.8476
Purity / assay	≥99%
HSN code	28415090
InChIKey	XMXNVYPJWBTAHN-UHFFFAOYSA-N
SMILES	[O-][Cr](=O)(=O)[O-].[K+].[K+]
PubChem CID	24597

Physical properties
Physical form	Powder
Appearance	Yellow powder or crystalline powder or chunks
Melting point	971 °C
Boiling point	1000 °C
Density	2.73
H-bond donors / acceptors	0 / 4
TPSA	80.3 Å²
UN number	UN 3288
Synonyms	Chromic acid, (K2CrO4), dipotassium salt, Bipotassium chromate, Potassium chromate(VI), Dipotassium chromate, Dipotassium monochromate, Tarapacaite, Chromate of potash, Chromate of potass, Neutral potassium chromate, Potassium chromate (K2(CrO4))

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H340May cause genetic defects
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P261, P264, P264 + P265, P271, P272, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P391, 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 7789-00-6

ACS

Potassium chromate ACS reagent, ≥99%

CAS: 7789-00-6
Formula: CrK₂O₄
MW: 194.19 g/mol

VQ-014012

AR

Potassium chromate, GR 99%+

CAS: 7789-00-6
Formula: CrK₂O₄
MW: 194.19 g/mol

VQ-014014

Potassium chromate, solution 5% w/v

CAS: 7789-00-6
Formula: CrK₂O₄
MW: 194.19 g/mol

VQ-000109

Frequently asked questions

What is the CAS number of Potassium chromate, 99%?

The CAS Registry Number of Potassium chromate, 99% is 7789-00-6. It is also known as Chromic acid, (K2CrO4), dipotassium salt.

What is the molecular formula and molecular weight of Potassium chromate, 99%?

Potassium chromate, 99% has the molecular formula CrK2O4 and a molecular weight of 194.19 g/mol.

Which grade and pack sizes of Potassium chromate, 99% can I order?

We supply Potassium chromate, 99% in (≥99%) grade, in 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Potassium chromate, 99%?

Yes. Every lot of Potassium chromate, 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 Potassium chromate, 99% be shipped internationally?

Yes. Potassium chromate, 99% is classified as hazardous (UN 3288), 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.