Zinc Benzoate (CAS 553-72-0): Comprehensive Technical Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Value | Competitor Comparison |
|---|---|---|
| CAS Number | 553-72-0 | Same across suppliers |
| Molecular Formula | C14H10O4Zn | Alternative notation: C7H6O2Zn (equivalent) |
| Molecular Weight | 307.64 g/mol | Consistent industry standard |
| Appearance | White crystalline powder | Superior purity (99%+) vs standard grades |
| Melting Point | 230°C | Higher thermal stability than organic alternatives |
| Solubility | Water: 0.5g/L (20°C) Organic solvents: Excellent |
Better organic compatibility than sodium benzoate |
2. Key Applications
Core Functional Benefits:
- Broad-spectrum antimicrobial activity (pH 2.5-4.5)
- Zinc ion synergism enhances preservative efficacy
- Thermal stability up to 230°C
Industry-Specific Uses:
| Industry | Application | Performance Advantage |
|---|---|---|
| Food & Beverage | Carbonated drinks, baked goods, condiments | Dual function: preservation + zinc fortification |
| Cosmetics | Creams, lotions, hair products | Non-irritating alternative to parabens |
| Polymers | PVC stabilizer, rubber additives | Halogen-free thermal stabilization |
| Coatings | Antifungal paints, marine coatings | Long-term biofilm inhibition |
3. Industry Use Cases
Case A: Beverage Preservation
Challenge: Maintain freshness in low-pH energy drinks without metallic aftertaste.
Solution: 0.05% Zinc Benzoate + 0.1% Potassium Sorbate combination
Result: 18-month shelf life at 25°C, compliant with FDA 21 CFR 184.1025
Case B: Cosmetic Preservation
Challenge: Create paraben-free moisturizer with 24M stability.
Solution: 0.8% Zinc Benzoate in oil-in-water emulsion
Result: Passed USP 51/61 testing, microbial counts <10 CFU/g
4. Customer Success Stories
1. Hebei Kelongduo Bio-Tech
- Application: Zinc-fortified nutritional supplements
- Dosage: 50mg/day per capsule
- Outcome: Increased zinc bioavailability by 40% vs gluconate
2. Wuhan Yuancheng Technology
- Application: Halogen-free cable stabilizers
- Formulation: 1.2% in PVC compounds
- Result: Achieved UL 94 V-0 rating at 0.8mm thickness
5. Supplier & Pricing
| Supplier | Package Size | Price Range | Lead Time |
|---|---|---|---|
| Hubei Tuobang Chem | 25kg fiber drum | $18-20/kg | 3-5 days |
| Wuhan Jiyesheng | 1kg R&D samples | $25/kg | 24h express |
6. Request Custom Formulation
Optimize your product with technical support from our chemists:
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