Food Preservative Sodium Benzoate CAS 532-32-1
Products Description
Sodium Benzoate is a commonly used preservative in cosmetics and personal care products. It is the sodium salt of benzoic acid, a naturally occurring substance found in fruits like cranberries, plums, and apples. Sodium benzoate appears as a white, odorless crystalline powder or granules. Due to its antimicrobial properties, it helps prevent the growth of bacteria, fungi, and yeast, thus extending the shelf life of cosmetic products. Its natural origin and effectiveness in preservation make sodium benzoate a popular choice in various personal care products like lotions, creams, shampoos, and makeup items, ensuring their safety and longevity. The chemical formula of Sodium Benzoate is C7H5NaO2.
Features: Remarkable antibacterial effect in acidic environment, low cost, and compatible with a variety of composition systems.
BASIC ANALYSIS
| Item of Analysis | Specification | Results | Test Methods |
| Content ( As dry product C7H5NaO2) | 99.0%~100.5% | 99.9% | HPLC |
| Organoleptic | |||
| Appearance | Powder | Conforms | Organoleptic |
| Color | White crystalline powder | Conforms | Organoleptic |
| Physical Characteristics | |||
| Particle Size | 100% pass 80 mesh | 80MESH | CP2010 |
| Loss on drying | 2%NMT (%) | 0.21% | USP<731> |
| Total ash | 1%NMT (%) | 0.02% | USP<561> |
| Chloride | Not more than 0.02% | Conform | USP<561> |
| Total CL content | Not more than 0.03% | Conform | NLS-QCS-1007 |
| Heavy metals | |||
| Total Heavy Metals | 10ppm Max | Conform | USP<231>method II |
| Lead (Pb) | 2ppm NMT | Conform | ICP-MS |
| Arsenic (As) | 2ppm NMT | Conform | ICP-MS |
| Cadmium (Cd) | 2ppm NMT | Conform | ICP-MS |
| Mercury (Hg) | 0.001ppm NMT | Conform | ICP-MS |
| Microbiological Tests | |||
| Total Plate Count | 1000cfu/g Max | Conform | USP<61> |
| Yeast & Mold | 100cfu/g Max | Conform | USP<61> |
| E. Coli. | Negative | Conform | USP<61> |
| Salmonella | Negative | Conform | USP<61> |
| Staphylococcus | Negative | Conform | USP<61> |
Usage / Benefits
Sodium Benzoate is a very useful ingredient for preserving cosmetics and personal care products. It helps in enhancing the shelf life of various formulations.
- Skin care: It is often found in skin care products like creams, lotions, and cleansers. Having antimicrobial properties, it prevents the growth of harmful bacteria and fungi, ensuring product safety and longevity
- Cosmetics products: It serves as a valuable preservative in makeup items such as foundations, eyeshadows, and lipsticks. It helps maintain the product's quality, preventing microbial contamination and maintaining its shelf life
- Hair care: It assists in preserving the integrity of hair care formulations, preventing microbial growth, and maintaining their efficacy over time. This ingredient ensures that the products remain fresh and effective for long
