Zinc chromate

Name: Zinc chromate
Brand: Vaqora Chemicals
SKU: VQ-014821

About Zinc chromate

Zinc chromate is a transition metal compound carrying the CAS registry number 13530-65-9. Its molecular formula is CrO4Zn and its molecular weight is 181.4 g/mol. Its systematic (IUPAC) name is zinc dioxido(dioxo)chromium. Common synonyms include Buttercup yellow and Chromium zinc oxide (ZnCrO4).

In its supplied form it is a yellow powder. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for paints, coatings and inks and corrosion inhibition. Typical end-use sectors are academic and industrial research.

Vaqora Chemicals supplies Zinc chromate in 100 g, 500 g, 5 kg and 4 x 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Paints, coatings & inks
Corrosion inhibition

Industries

Specifications & identifiers

Chemical identifiers
Product name	Zinc chromate
Catalogue No.	VQ-014821
CAS Number	13530-65-9
IUPAC name	zinc dioxido(dioxo)chromium
Molecular formula	CrO₄Zn
Molecular weight	181.4 g/mol
Exact mass	179.8493
HSN code	28415090
InChIKey	NDKWCCLKSWNDBG-UHFFFAOYSA-N
SMILES	[O-][Cr](=O)(=O)[O-].[Zn+2]
PubChem CID	26089

Physical properties
Physical form	Powder
Appearance	Yellow powder
H-bond donors / acceptors	0 / 4
TPSA	80.3 Å²
Synonyms	Buttercup yellow, Chromium zinc oxide (ZnCrO4), chromium, diolatodioxo-, zinc salt (1:1), Basic zinc chromate, Chromic acid, zinc salt, Chromium zinc oxide (ZrCrO4), Chromic acid (H2CrO4), zinc salt (1:1), Potassium Zinc Chromate Yellow

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction
H350May cause cancer
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P261, P264, P270, P272, P273, P280, P301 + P317, P302 + P352, P318, P321, P330, P333 + P317, P362 + P364, 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

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Zinc chromate?

The CAS Registry Number of Zinc chromate is 13530-65-9. It is also known as Buttercup yellow, Chromium zinc oxide (ZnCrO4), chromium, diolatodioxo-, zinc salt (1:1).

What is the molecular formula and molecular weight of Zinc chromate?

Zinc chromate has the molecular formula CrO4Zn and a molecular weight of 181.4 g/mol. Its IUPAC name is zinc dioxido(dioxo)chromium.

Which grade and pack sizes of Zinc chromate can I order?

We supply Zinc chromate, in 100 g, 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 Zinc chromate?

Yes. Every lot of Zinc chromate 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 Zinc chromate be shipped internationally?

Yes. Zinc chromate 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.