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Need a dual-functional additive? Ruiheng Biotech supplies high-purity Zinc Benzoate (CAS 553-72-0) for food preservation and polymer thermal stabilization. Our products offer 19%-22% Zinc content with low impurities and high heat resistance. Available in dust-free granular and fine powder forms. Compliant with TSCA. Request free samples today!
Technical Support Ensure compliance and safety with our comprehensive product documentation.
Zinc Benzoate (CAS No. 553-72-0) is an organic metal salt combining excellent antimicrobial performance with high thermal stability. It is widely used in food preservation, polymer additives, and fine chemical synthesis applications.
Shandong Ruiheng Biotechnology Co., Ltd. supplies multiple grades of Zinc Benzoate with long-term production stability. Our Zinc Benzoate (CAS No. 553-72-0) are well known for high purity, low impurity levels, and excellent batch-to-batch consistency.
We operate a comprehensive quality inspection system, and all production strictly follows industry standards with full batch traceability. As a high-performance member of our Benzoates Series, our Zinc Benzoate CAS 553-72-0 provides superior stability for both food and industrial sectors.
Key Advantages
Appearance: White or slightly yellow solid
Crystal Form: Available in fine powder or granular form
Odor: Odorless or slight sweet benzoin-like odor
Stability: Chemically stable under normal atmospheric conditions
Structure: Defined metal salt crystalline structure
Advanced production technology ensures consistent performance in both industrial processing and food formulation systems.
CAS Number: 553-72-0
Molecular Formula: C14H10O4Zn
Molecular Weight: 307.62 – 307.65
EC Number: 209-047-3
Melting Point: Approx. 248 °C
Density (25°C): Approx. 1.288 g/cm³
Solubility: Soluble in water
Reactivity: Avoid strong oxidizing agents. Thermal decomposition may generate carbon monoxide.
| Check Item | Specification |
| Assay (Dry Basis) | ≥ 98.0% (Up to 99%) |
| Zinc Content (Zn) | 19% – 22% |
| Ash | 24 – 27% |
| Loss on Drying | ≤ 2.0% |
| Heavy Metals (as Pb) | ≤ 0.001% |
| Iron (Fe) | ≤ 10 ppm |
| Arsenic (As) | < 3 ppm |
| Acidity / Alkalinity | ≤ 0.1 ml/g |
Acts as an antimicrobial preservative that inhibits mold and yeast growth. It is a vital solution in our Food Preservation catalog, especially where thermal stability is required.
Used as a thermal stabilizing inhibitor in high-end plastics, improving heat resistance during high-temperature processing.
Used in paints and coatings as antimicrobial and antifungal protection. As a versatile additive in our Functional Ingredients series, it prevents microbial growth during product service life.
Used in specific pharmaceutical preparations and topical formulations.
Granular Form
Powder Form
Packaging: 25 kg bags
Packaging Materials:
Storage Conditions:
Export packaging customization and long-term inventory supply available.
TSCA Status: Listed in US TSCA Inventory
Toxicity: Rat Oral LD50 = 3920 mg/kg (Low toxicity classification)
Handling Recommendations:
Avoid dust generation. Prevent contact with skin and eyes.
Environmental Compliance:
Meets major global regulatory limits for heavy metals and hazardous impurities.
Request a quote for Zinc Benzoate CAS 553-72-0 bulk supply today. Contact us for: