Description

Zinc Chromite CAS NO 50922-29-7 is an inorganic compound primarily recognized as a high-performance heterogeneous catalyst. Its value lies in its exceptional thermal stability and catalytic activity, making it indispensable for critical industrial synthesis processes. This material is essential for manufacturers in the petrochemical, fine chemical, and specialty gas industries seeking efficient and reliable catalytic solutions.

Application

• Methanol Synthesis Catalyst: A key component in catalysts for the industrial production of methanol from synthesis gas (syngas).
• Dehydrogenation & Hydrogenation: Used as a catalyst in selective dehydrogenation and hydrogenation reactions within fine chemical and pharmaceutical intermediate synthesis.
• Water-Gas Shift Reaction: Employed in catalysts for the water-gas shift process, which is critical for adjusting the H₂/CO ratio in syngas for downstream applications.
• Selective Catalytic Reduction (SCR): Investigated and used in catalyst formulations for reducing nitrogen oxides (NOx) in emissions control systems.
• Organic Synthesis: Facilitates various organic transformations, including alkylation and isomerization reactions, due to its acidic and redox properties.
• Fuel Cell Technology: Studied as a potential component in electrodes and catalysts for advanced fuel cell systems.
• Pigment & Ceramic Precursor: Serves as a precursor material in the manufacture of certain corrosion-resistant pigments and advanced ceramic materials.
• Research & Development: Utilized in academic and industrial R&D for developing new catalytic processes and materials science applications.

Basic Information

Product Name	Zinc Chromite
CAS No.	50922-29-7
Molecular Formula	ZnCr₂O₄
Molecular Weight	233.37 g/mol
Synonyms	Zinc Chromium Oxide; Chromic Acid, Zinc Salt (1:2); Zinc Chromium Oxide (ZnCr2O4); Zinc Chromate(III); Zinc Chromite Spinel; Zinc Chromite Catalyst; Franklinite (mineral form, Zn-rich); ZCO
EINECS	256-897-5

Quality Control

Our Zinc Chromite is manufactured under stringent quality management protocols to ensure batch-to-batch consistency and performance reliability for catalytic applications. Production adheres to relevant ISO guidelines, and comprehensive testing is performed to verify chemical composition, phase purity, surface area, and catalytic activity. A Certificate of Analysis (COA) detailing specific lot results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and reducing agents. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Brown to black powder
Identification (XRD)	Conforms to ZnCr₂O₄ spinel structure
Assay (as ZnCr₂O₄)	≥ 98.0 %
Surface Area (BET)	20 - 100 m²/g (grade dependent)
Particle Size (D50)	Contact for details
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 50 ppm

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