Description

Strontium Chromate is an inorganic compound recognized for its distinctive yellow color and its role as a highly effective corrosion-inhibiting pigment. This material is valued for its ability to provide long-term protection to metal substrates, particularly aluminum and its alloys, in demanding environments. It is a critical raw material for formulators in the protective coatings, aerospace, and marine industries seeking to enhance the durability and service life of their products.

Application

• Corrosion-Inhibiting Primers: A key component in zinc chromate and strontium chromate-based primers for aerospace aluminum structures.
• Marine & Protective Coatings: Used in anti-corrosive paints for ships, offshore platforms, and coastal infrastructure.
• Electrochemical Processes: Employed in certain plating baths and as a component in metal surface treatment formulations.
• Pigment for Plastics & Ceramics: Provides a stable yellow colorant in specialized plastics, artists' colors, and ceramic glazes.
• Pyrotechnic Compositions: Acts as an oxidizer and colorant in specific pyrotechnic and signaling flare formulations.
• Research & Development: Serves as a starting material or reagent in chemical synthesis and materials science research.

Basic Information

Product Name	Strontium Chromate
CAS No.	7789-06-2
Molecular Formula	SrCrO4
Molecular Weight	203.61 g/mol
Synonyms	Strontium Chromate(VI); Chromic Acid, Strontium Salt (1:1); C.I. Pigment Yellow 32; Strontium Yellow; Deep Lemon Yellow; Permanent Yellow; Ultramarine Yellow; CI 77839
EINECS	232-142-6

Quality Control

Our Strontium Chromate is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, color, and particle size distribution. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids, reducing agents, and organic compounds. Keep container tightly sealed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Yellow Powder
Identification (IR)	Conforms
Assay (SrCrO4)	≥ 98.0 %
pH (10% slurry)	7.0 - 9.0
Moisture Content	≤ 0.5 %
Water Soluble Matter	≤ 0.1 %
Sieve Residue (325 mesh)	≤ 0.5 %
Lead (Pb)	≤ 20 ppm

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