Description

Chromium(III) Nitrate Nonahydrate is an inorganic salt that serves as a high-purity source of trivalent chromium ions for industrial and research applications. This compound is valued for its role as a versatile precursor in catalysis, materials synthesis, and surface treatment processes. It is essential for manufacturers and laboratories in sectors including ceramics, textiles, and chemical synthesis, where controlled chromium deposition and reactivity are required.

Application

• Catalyst Precursor: Used in the preparation of catalysts for organic synthesis and oxidation reactions.
• Ceramic Pigments & Glazes: Imparts green coloration and acts as a component in ceramic frits and glazes.
• Textile Mordant: Facilitates the bonding of dyes to fabric fibers, improving colorfastness.
• Corrosion Inhibitor: Applied in conversion coatings and surface treatments for metal protection.
• Laboratory Reagent: Serves as a standard or starting material in analytical chemistry and materials research.
• Wood Preservation: Used in formulations to protect timber from biological degradation.

Basic Information

Product Name	Chromium(III) Nitrate Nonahydrate
CAS No.	7789-02-8
Molecular Formula	Cr(NO3)3·9H2O
Molecular Weight	400.15 g/mol
Synonyms	Chromic nitrate nonahydrate; Nitric acid, chromium(3+) salt, nonahydrate; Chromium trinitrate nonahydrate; Chromium nitrate 9-hydrate; Chromium(3+) nitrate nonahydrate; Chromium(III) nitrate 9-hydrate; Chromium nitrate hydrate
EINECS	233-571-6

Quality Control

Our Chromium(III) Nitrate Nonahydrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to verify identity, purity, and conformance to established specifications. Certificates of Analysis (COA) documenting assay, impurity profiles, and physical parameters are provided to ensure traceability and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and a strong oxidizer; keep container tightly sealed when not in use and separate from combustible materials and reducing agents.

Specification

Item	Specification
Appearance	Violet to dark green crystalline solid
Identification (IR)	Conforms
Assay (Cr(NO3)3·9H2O)	≥ 98.0 %
Chloride (Cl)	≤ 0.005 %
Sulfate (SO4)	≤ 0.01 %
Iron (Fe)	≤ 0.002 %
Insoluble Matter	≤ 0.01 %

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