Description

Zinc Chromate Oxide (Zn2(Cro4)O), Monohydrate is an inorganic pigment and corrosion-inhibiting compound with the CAS number 15930-94-6. This material is valued for its excellent anti-corrosive properties and vibrant yellow color, making it a critical component in protective coatings. It is primarily needed by manufacturers in the paints and coatings, aerospace, and metal treatment industries seeking reliable, long-lasting corrosion protection for metal substrates.

Application

• Corrosion-Inhibiting Primers: A key pigment in zinc chromate primers for aerospace, automotive, and marine applications to protect steel and aluminum alloys.
• Industrial Paints & Coatings: Used in the formulation of high-performance industrial maintenance paints for bridges, pipelines, and structural steel.
• Metal Pretreatment: Employed in wash primers and conversion coatings to prepare metal surfaces for subsequent painting, enhancing paint adhesion and durability.
• Pigment for Plastics & Ceramics: Provides a stable yellow colorant in specialty plastics, masterbatches, and colored ceramic glazes.
• Wood Preservatives: Acts as a component in certain wood treatment formulations to prevent fungal decay and insect damage.
• Research & Development: Serves as a starting material or catalyst in chemical synthesis and materials science research.

Basic Information

Product Name	Zinc Chromate Oxide (Zn2(Cro4)O), Monohydrate
CAS No.	15930-94-6
Molecular Formula	Zn₂CrO₄O · H₂O or Zn₂CrO₅ · H₂O
Molecular Weight	Contact for details
Synonyms	Zinc Chromate Oxide Monohydrate; Zinc Chromate Hydroxide; Basic Zinc Chromate; Zinc Hydroxy Chromate; Zinc Tetroxy Chromate; Zinc Yellow (type); CI Pigment Yellow 36; Anti-Corrosive Zinc Yellow
EINECS	Contact for details

Quality Control

Our Zinc Chromate Oxide Monohydrate is produced and tested under a stringent quality management system. Each batch is analyzed to ensure consistent performance in color and corrosion inhibition. A comprehensive Certificate of Analysis (COA) detailing purity, heavy metal content, and physical properties is provided with every shipment to guarantee it meets your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Keep container tightly sealed when not in use to minimize exposure to moisture and atmospheric carbon dioxide.

Specification

Item	Specification
Appearance	Yellow Powder
Identification (IR)	Conforms
Assay (as Zn₂CrO₅·H₂O)	≥ 95.0%
Moisture Content	≤ 2.0%
Water Soluble Matter	≤ 1.0%
Lead (Pb)	≤ 20 ppm
Particle Size (325 Mesh Residue)	≤ 1.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.