Description

Mercurous Chromate is an inorganic chemical compound with the CAS registry number 13465-34-4. This specialized material serves as a critical reagent and precursor in analytical chemistry and niche industrial synthesis. It is primarily sought after by research institutions and manufacturers in the chemical and pigment industries for its unique properties. Our supply ensures high purity and consistent quality for demanding technical applications.

Application

• Analytical Reagent: Used as a specific reagent in analytical chemistry for the detection and quantification of certain anions or as a redox indicator in titrations.
• Chemical Synthesis: Acts as a precursor or intermediate in the synthesis of other mercury-containing compounds and specialized inorganic materials.
• Pigment & Dye Manufacturing: Employed in the production of specialized, historically significant pigments, though modern use is limited due to toxicity.
• Laboratory Research: Utilized in academic and industrial research settings for studying redox chemistry, corrosion processes, and catalytic systems.
• Electrochemical Studies: Serves as a component in reference electrodes or in studies of electrochemical deposition and corrosion inhibition.
• Calibration Standards: May be used in the preparation of calibration standards for analytical instrumentation in controlled environments.

Basic Information

Product Name	Mercurous Chromate
CAS No.	13465-34-4
Molecular Formula	CrHg2O4
Molecular Weight	517.17 g/mol
Synonyms	Mercury(I) chromate; Chromic acid, mercury(1+) salt; Dimercury chromate; Chromate of mercury; Mercurous chromate(VI); Hg2CrO4; Chromic acid, dimercury(1+) salt
EINECS	236-688-6

Quality Control

Our Mercurous Chromate is produced and handled under strict quality protocols to ensure batch-to-batch consistency and reliability. While specific pharmacopeial grades (USP/EP) are not typically designated for this compound, we provide technical and reagent grades tailored to customer requirements. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles. Our quality system adheres to ISO 9001 principles, and we can support compliance documentation for REACH and other global regulatory frameworks as needed.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is light-sensitive and easily oxidized; it should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, open flames, and incompatible materials such as strong reducing agents, acids, and organic compounds. Follow all local and international regulations for the storage of toxic and heavy metal-containing substances.

Specification

Item	Specification
Appearance	Orange-red to brown powder or crystals
Identification (IR)	Conforms
Assay (Hg2CrO4)	≥ 98.0 %
Loss on Drying	≤ 1.0 %
Insoluble Matter	≤ 0.5 %
Chloride (Cl)	≤ 0.1 %
Sulfate (SO4)	≤ 0.1 %
Heavy Metals (as Pb)	≤ 0.05 %

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