Table of Contents
- Product Overview
- Specification Comparison
- Detailed Applications
- Usage Guidelines
- Industry Case Studies
- Contact for Technical Support
Sodium Benzoate (CAS 532-32-1) Overview
Basic Chemical Properties
| Parameter | Value |
|---|---|
| CAS Number | 532-32-1 |
| Molecular Formula | C7H5NaO2 |
| Appearance | White crystalline powder |
| Solubility | 62.7 g/100 mL (20°C water) |
| pH Range | Effective at 2.5-4.5 |
Technical Specification Comparison
| Grade | Food Grade | Pharma Grade | Industrial Grade |
|---|---|---|---|
| Purity | >99.5% | >99.9% | 98% min |
| Heavy Metals | <10 ppm | <5 ppm | <20 ppm |
| Packaging | 25kg paper bags | 20kg PE drums | 50kg woven bags |
Key Functional Applications
Food Preservation
Effective antimicrobial agent in carbonated drinks (0.03-0.05%), condiments, and acidic foods.
Pharmaceutical Uses
Liquid oral formulations preservation at 0.1-0.3% concentration under pH 4.5.
Cosmetic Applications
Used in shampoos and creams at 0.5-1% as paraben-free preservative alternative.
Optimal Usage Parameters
| Application | Concentration | pH Requirement | Synergistic Agents |
|---|---|---|---|
| Beverages | 0.03-0.1% | 2.8-3.5 | Potassium Sorbate |
| Pharmaceuticals | 0.08-0.2% | 4.0-4.5 | Citric Acid |
Documented Implementation Cases
Case 1: Asian Beverage Manufacturer
Client: Hangzhou HealthDrink Co., Ltd. (China)
Challenge: Microbial spoilage in lemon-flavored drinks during summer
Solution: 0.05% sodium benzoate + pH adjustment to 3.2
Result: 120-day shelf life achieved without flavor alteration
Case 2: European Cosmetic Brand
Client: Lyon Cosmeceuticals SAS (France)
Requirement: Paraben-free preservation for organic shampoo line
Implementation: 0.8% sodium benzoate with rosemary extract
Outcome: 18-month stability at 40°C/75% RH conditions
Technical Consultation & Ordering
For formulation support or bulk pricing:
Email: info@vivalr.com
Tel: (86) 15866781826
Request SDS/documentation: Provide your industry type and required specifications.
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