C.I. Pigment Yellow 36

Description

C.I. Pigment Yellow 36 · CAS 37300-23-5 · ZnCrO4. UNII 05F2837HUF. Melting Point: 316 °C; Density: 3.40 g/cu cm; Density: 3.4 g/cm³.

Identification

CAS Registry Number	37300-23-5
PubChem CID	26089
Molecular formula	ZnCrO4
IUPAC name	zinc dioxido(dioxo)chromium
UNII (FDA)	05F2837HUF

Computed Descriptors

Molecular Weight	181.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	179.849305
Monoisotopic Mass	179.849305
Topological Polar Surface Area	80.3
Heavy Atom Count	6
Formal Charge	0
Complexity	62.2

Physical & Chemical Properties

Melting Point	316 °C
Density	3.40 g/cu cm
Density	3.4 g/cm³
Density	3.4 @25 °C

Physical description & handling notes

• Zinc chromate is an odorless yellow solid. Sinks in water. (USCG, 1999)
• Liquid; Other Solid
• Lemon-yellow solid; Insoluble in water; [ACGIH]
• YELLOW CRYSTALLINE POWDER.
• Yellow prisms
• Lemon yellow powder

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	3.6% (5 / 140)

GHS Hazard Classification

GHS notification summary	3.6% (5 / 140)
Reported hazard statements	H302 (96.4%), H317 (96.4%), H350 (95%), H400 (95%), H410 (96.4%), H318, H334, H361

Documented Uses

• Zinc chromates are used primarily in priming paints to prevent corrosion. They are also used as pigments. [ACGIH]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Leather Tanning and Processing [Category: Industry]
• ... Zinc chromates are employed primarily in priming paints used for metals, for which they provide resistance against corrosion. /Zinc chromates/
• Zinc chromate is used as a corrosion resisting agent and as the pigment Zinc Yellow or Yellow 36. (L60)
• Zinc chromate is produced by reacting an aqueous slurry of zinc oxide or hydroxide with dissolved chromate ions followed by neutralization, or by precipitation of dissolved zinc salts with dissolved chromate salts.

Synonyms

ZINC CHROMATE; 13530-65-9; Zinc Chrome Yellow; Zinc chrome; Buttercup Yellow; Zincro ZTO; Zinc chromate C; Zinc chromate O; Zinc chromate T; Zinc chromate Z; Zinc chromate AM; Basic zinc chromate; Zinc hydroxychromate; Zinc tetroxychromate; Zinc tetraoxychromate; Chromic acid, zinc salt

Frequently Asked Questions

What are the CAS number and molecular formula of C.I. Pigment Yellow 36?

CAS 37300-23-5; molecular formula ZnCrO4; molecular weight — g/mol.

What other names is C.I. Pigment Yellow 36 known by?

ZINC CHROMATE, 13530-65-9, Zinc Chrome Yellow, Zinc chrome, Buttercup Yellow, Zincro ZTO.

What is the regulatory status of C.I. Pigment Yellow 36?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is C.I. Pigment Yellow 36 classified as hazardous?

3.6% of GHS notifications report no hazard classification (5 of 140).

What are the key physical properties of C.I. Pigment Yellow 36?

Melting Point: 316 °C; Density: 3.40 g/cu cm; Density: 3.4 g/cm³; Density: 3.4 @25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.