Description

Ammonium Chromate is an inorganic salt primarily recognized for its role as a strong oxidizing agent. This compound is critical in industrial processes where controlled oxidation or the generation of specific chromium compounds is required. It serves as a key precursor and reagent for manufacturers and laboratories in sectors including metallurgy, chemical synthesis, and materials science.

Application

• As a precursor in the synthesis of other chromium compounds and catalysts.
• Used in metal surface treatment and conversion coatings for corrosion resistance.
• Employed as an oxidizing agent in various organic and inorganic chemical reactions.
• Applied in analytical chemistry as a reagent for specific titrations and tests.
• Utilized in the production of pigments and dyes.
• Acts as a mordant in textile and leather processing industries.
• Used in laboratory research and development for electrochemical studies.

Basic Information

Product Name	Ammonium Chromate
CAS No.	7788-98-9
Molecular Formula	(NH4)2CrO4
Molecular Weight	152.07 g/mol
Synonyms	Ammonium Chromate(VI); Chromic acid, diammonium salt; Diammonium chromate; Neutral ammonium chromate; Ammonium chromate yellow; Chromium, bis(ammonium) oxo-(T-4)-dioxo-; UN 3077
EINECS	232-138-4

Quality Control

Our Ammonium Chromate is produced and tested under stringent quality management protocols to ensure batch-to-batch consistency and reliability. We provide comprehensive quality assurance, including detailed analysis of purity and impurity profiles. A Certificate of Analysis (COA) is supplied with each shipment to verify compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as reducing agents, organic substances, and strong acids. Keep container tightly sealed to prevent moisture absorption. Observe all local and international regulations for the storage of oxidizing substances.

Specification

Item	Specification
Appearance	Yellow crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
pH (5% solution)	7.0 - 9.0
Insoluble Matter	≤ 0.1 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.05 %

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