Description

Potassium Dichromate(Vi) CAS NO 7778-50-9 is an inorganic chemical compound widely recognized as a powerful oxidizing agent. Its consistent reactivity and high purity make it a critical reagent for analytical chemistry, industrial synthesis, and surface treatment processes. This product is essential for manufacturers and laboratories in sectors such as metal finishing, leather tanning, and chemical manufacturing where precise oxidation control is required.

Application

• Analytical Chemistry: Used as a primary standard in titrations (e.g., COD determination) and for the calibration of analytical instruments.
• Metal Finishing & Surface Treatment: Acts as a key component in electroplating baths and conversion coatings to enhance corrosion resistance and adhesion.
• Leather Tanning: Serves as a mordant and oxidizing agent in the chrome tanning process for hides and skins.
• Organic Synthesis & Dye Manufacturing: Employed as an oxidizing agent in the synthesis of various organic compounds, intermediates, and pigments.
• Wood Preservation & Pigments: Used in formulations for wood treatment and as a precursor for certain inorganic pigments.
• Cleaning & Etching Solutions: A component in specialized cleaning mixtures for glassware and etching solutions for specific materials.
• Laboratory Reagent: A standard laboratory chemical for educational and research purposes in oxidation-reduction experiments.

Basic Information

Product Name	Potassium Dichromate(Vi)
CAS No.	7778-50-9
Molecular Formula	K2Cr2O7
Molecular Weight	294.18 g/mol
Synonyms	Potassium Bichromate; Dipotassium Dichromate; Dichromic Acid, Dipotassium Salt; Chromic Acid, Dipotassium Salt; Iopezite; Kaliumdichromat (German); Bichromate of Potash; Red Potassium Chromate
EINECS	231-906-6

Quality Control

Our Potassium Dichromate is manufactured under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, assay, and impurity profiles. Certificates of Analysis (COA) documenting these results are available for every shipment to guarantee traceability and compliance with your quality 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 organic compounds, reducing agents, and strong acids. Maintain at room temperature (15-25°C). Keep container tightly sealed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Orange-red crystals
Identification (IR)	Conforms
Assay (K2Cr2O7)	≥ 99.5 %
pH (5% solution)	3.5 - 4.5
Insoluble Matter	≤ 0.005 %
Chloride (Cl)	≤ 0.001 %
Sulfate (SO4)	≤ 0.005 %
Moisture	≤ 0.05 %

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