Description

Chromium(III) Chloride Hydrate 99.995% is a high-purity inorganic salt of trivalent chromium. This ultra-high purity grade is essential for applications where trace metal contamination can compromise product performance or catalytic activity. It is a critical precursor for advanced materials synthesis, catalyst manufacturing, and high-end chemical research.

Application

• Catalyst Precursor: Used in the synthesis of Ziegler-Natta and other olefin polymerization catalysts.
• Advanced Materials: A key starting material for producing chromium-based ceramics, thin films, and specialty pigments.
• Surface Treatment: Employed in electroplating and conversion coating processes for corrosion resistance.
• Laboratory Reagent: Serves as a high-purity source of Cr(III) ions in analytical chemistry and research.
• Chemical Synthesis: Acts as a Lewis acid catalyst or reagent in organic synthesis and inorganic compound preparation.
• Glass & Ceramics: Used to impart specific color properties and modify the physical characteristics of specialty glasses.

Basic Information

Product Name	Chromium(III) Chloride Hydrate 99.995%
CAS No.	85017-78-3
Molecular Formula	CrCl3·xH2O
Molecular Weight	Anhydrous: 158.36 g/mol (hydrate weight varies)
Synonyms	Chromium Trichloride Hydrate; Chromic Chloride Hydrate; Trichlorochromium Hydrate; Chromium(3+) Chloride Hydrate; CrCl3 Hydrate; Chromium Chloride (CrCl3), Hydrated; Chromium Sesquichloride Hydrate
EINECS	Contact for details

Quality Control

Our 99.995% (4N5) purity grade of Chromium(III) Chloride Hydrate is produced under stringent quality management protocols. Each batch is analyzed to ensure compliance with high-purity material specifications, with trace metal analysis performed via ICP-MS/OES. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and hydrolysis.

Specification

Item	Specification
Appearance	Violet to green crystalline powder
Assay (CrCl3 basis)	≥ 99.995%
Identification (IR)	Conforms
Insoluble Matter	≤ 0.01%
Chloride (Cl) Content	By calculation
Trace Metals (ICP-MS)	≤ 50 ppm total
Iron (Fe)	≤ 10 ppm
Nickel (Ni)	≤ 5 ppm
Water Content (KF)	Reported (varies with hydration)

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