Description

Chromic Acid (H2CrO4), Disodium Salt, Decahydrate is a versatile inorganic chemical compound, primarily known as sodium chromate decahydrate. It serves as a critical precursor and oxidizing agent in various industrial chemical synthesis and treatment processes. This compound is essential for manufacturers and R&D facilities in sectors requiring controlled oxidation, corrosion inhibition, or specific chromate chemistry.

Application

• Corrosion Inhibitor: A key component in formulations for cooling water systems and metal surface treatments to prevent rust and scale.
• Oxidizing Agent in Synthesis: Used in organic synthesis and the production of other chromium compounds, including pigments and catalysts.
• Wood Preservative: Employed in industrial wood treatment processes to protect against biological degradation.
• Textile Mordant: Acts as a fixing agent for dyes in the textile industry to improve color fastness.
• Laboratory Reagent: Serves as a standard analytical reagent in titrations and qualitative testing for various ions.
• Drilling Mud Additive: Used in specific oil and gas drilling fluid formulations for shale stabilization and fluid loss control.

Basic Information

Product Name	Chromic Acid (H2CrO4), Disodium Salt, Decahydrate
CAS No.	13517-17-4
Molecular Formula	Na2CrO4 · 10H2O
Molecular Weight	342.13 g/mol
Synonyms	Sodium Chromate Decahydrate; Disodium Chromate Decahydrate; Chromic Acid, Disodium Salt, Decahydrate; Sodium Chromate(VI) Decahydrate; Natriumchromat-Decahydrat (German); C.I. 77805; Chromate of soda
EINECS	236-878-9

Quality Control

Our sodium chromate decahydrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and 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. This product is hygroscopic (moisture-sensitive) and should be kept in a low-humidity environment to prevent caking or dissolution. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Yellow crystalline solid
Identification (IR)	Conforms
Assay (Na2CrO4·10H2O)	≥ 98.0 %
pH (5% solution)	8.0 - 10.0
Insoluble Matter	≤ 0.01 %
Chloride (Cl)	≤ 0.005 %
Sulfate (SO4)	≤ 0.01 %

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