E211,Class II chemical preservatives Sodium Benzoate, that has been used for many years. Sodium benzoate controls yeasts, mold, and bacteria in foods, cosmetics which have pH upto 7.0. Sodium benzoate is readily water soluble and it can be combined with other antimicrobials. Sodium benzoate reduces the overall pH of the finished product. Sodium Benzoate has registered as preservative under the EU Biocidal Products Regulation (BPR).
The following are examples of surfactants that use sodium benzoate
Mild Surfactants
Sodium benzoate used as preservative in mild surfactant upto 30%.
| Product name | Technical Data | Additional information | ||
| Preservative Name | Physical form | Percentage (%) | ||
| Cocamidopropyl Betaine | Sodium Benzoate | Liquid | Max 30% | Compatible with anionic, non-ionic and cationic surfactants. Stable over a wide pH range |
Sodium Benzoate Surfactant Benefits –
- Non-sensitizing and non-irritating.
- Readily biodegradable.
- Complimentary to formulations with skin-friendly attributes.
- Effective at pH levels up to 7.0
- Highest purity (99 %)
- Low odour, no discoloration and little impact on viscosity.
- It works well in combination with other common ingredients.