Description

Ammonium Chromate is an inorganic salt recognized for its strong oxidizing properties. This compound is a critical reagent in various industrial and laboratory processes where controlled oxidation is required. It serves as a key material for manufacturers and researchers in sectors such as corrosion inhibition, analytical chemistry, and specialty chemical synthesis.

Application

• Corrosion Inhibitor Precursor: Used in the formulation of protective coatings and conversion layers for metal surfaces.
• Analytical Chemistry Reagent: Employed as an oxidizing agent in titrations and other quantitative chemical analyses.
• Laboratory Synthesis: Acts as a source of chromate ions for the preparation of other chromium-based compounds and pigments.
• Wood Treatment: Utilized in certain preservative formulations for wood, providing fungicidal and insecticidal properties.
• Textile Dyeing Auxiliary: Serves as a mordant to fix dyes onto fabrics, improving color fastness.
• Electroplating Baths: A component in specific electroplating solutions for depositing chromium alloys.

Basic Information

Product Name	Ammonium Chromate
CAS No.	52110-72-2
Molecular Formula	(NH4)2CrO4
Molecular Weight	152.07 g/mol
Synonyms	Diammonium Chromate; Chromic Acid, Diammonium Salt; Ammonium Chromate(VI); Neutral Ammonium Chromate; UN 3077; UN 3085; Chromate of Ammonia
EINECS	257-846-3

Quality Control

Our Ammonium Chromate is manufactured under stringent quality management systems to ensure batch-to-batch consistency and reliability. The product undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing purity and specifications is provided with each shipment to guarantee compliance with your technical requirements.

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 substances. Keep container tightly sealed when not in use to minimize moisture absorption and decomposition.

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.