Ammonium Chromium(Iii) Sulfate 12-Water CAS NO 13548-43-1

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CAS No.:13548-43-1

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

Ammonium Chromium(Iii) Sulfate 12-Water is a high-purity inorganic salt, specifically the dodecahydrate form of ammonium chromium(III) sulfate. This compound is valued for its role as a reliable source of trivalent chromium in various industrial and research applications. It is primarily sought by manufacturers in the chemical synthesis, textile, and specialty catalyst sectors for its consistent quality and performance.

Application

As a precursor or catalyst in specialized inorganic and organic synthesis processes.
In the manufacturing of other chromium-based compounds and coordination complexes.
For use in textile mordanting and dyeing applications.
As a laboratory reagent in analytical chemistry and research.
In the formulation of certain corrosion inhibitors and surface treatment solutions.
For educational and demonstration purposes in chemical education.

Basic Information


Product Name	Ammonium Chromium(Iii) Sulfate 12-Water
CAS No.	13548-43-1
Molecular Formula	NH4Cr(SO4)2 · 12H2O
Molecular Weight	478.33 g/mol (for dodecahydrate)
Synonyms	Ammonium Chromium(III) Sulfate Dodecahydrate; Ammonium Chromic Sulfate; Chromium Ammonium Sulfate; Ammonium Chrome Alum; Ammonium Chromium Alum; Ammonium Chromium(3+) Sulfate Dodecahydrate; Ammonium Chromium(3+) Disulfate Dodecahydrate
EINECS	Contact for details

Quality Control

Our Ammonium Chromium(III) Sulfate Dodecahydrate is produced and tested under a rigorous quality management system. Each batch undergoes comprehensive analysis 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 requirements.

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 degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark violet crystals
Identification (IR)	Conforms
Assay (NH4Cr(SO4)2·12H2O)	≥ 98.0 %
Chloride (Cl)	≤ 0.01 %
Iron (Fe)	≤ 0.005 %
Water Insoluble Matter	≤ 0.05 %