Description

Zinc Stannate CAS NO 12027-96-2 is an inorganic compound valued for its role as an effective flame retardant and smoke suppressant. It is particularly significant for providing halogen-free fire safety solutions in polymer applications. This product is essential for manufacturers in the plastics, wire & cable, and construction materials industries seeking to meet stringent fire safety regulations.

Application

• Primary use as a synergistic flame retardant and smoke suppressant in PVC, polyolefins, and engineering plastics.
• Formulation of halogen-free, low-smoke, and low-toxicity fire safety compounds for wire and cable insulation.
• Enhancement of fire resistance in rubber products, adhesives, and sealants.
• Manufacture of fire-retardant paints, coatings, and textiles.
• Use in ceramic glazes and electronic materials for its specific chemical properties.
• Potential application as a precursor in the synthesis of other functional materials and catalysts.

Basic Information

Product Name	Zinc Stannate
CAS No.	12027-96-2
Molecular Formula	ZnSnO₃ • xH₂O or Zn₂SnO₄
Molecular Weight	Varies by hydrate form (Anhydrous ZnSnO₃: 232.11 g/mol)
Synonyms	Zinc Tin Oxide; Stannic Acid, Zinc Salt; Zinc Tin Trioxide; Tin Zinc Oxide; Flame Retardant ZS; ZHS; Zinc Hydroxystannate (for hydrated forms); Zinc Stannate Hydrate
EINECS	234-735-4

Quality Control

Our Zinc Stannate is produced under a rigorous quality management system. Each batch undergoes comprehensive analysis to ensure consistent performance as a flame retardant, with key parameters including chemical identity, assay, particle size distribution, and moisture content. Certificates of Analysis (COA) are available upon request to support your quality assurance and regulatory compliance needs.

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); keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white fine powder
Identification (IR/XRD)	Conforms to standard
Assay (as ZnSnO₃)	≥ 98.0 %
Zinc (Zn) Content	26.0 - 28.5 %
Tin (Sn) Content	48.0 - 51.0 %
Loss on Drying	≤ 2.0 %
Particle Size (D50)	1 - 10 µm (or as specified)
Heavy Metals (as Pb)	≤ 20 ppm

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