Sodium Benzoate Powder
EP, USP (Tested for Endotoxin & Microbes)
CAS #:
532-32-1
Molecular Formula:
C7H5NaO2
Synonym:
Benzoate of soda, Benzoic acid, sodium salt, Benzoate sodium
Molecular Weight:
144.11 g/mol
Overview
Sodium benzoate is an organic sodium salt resulting from the replacement of the proton from the carboxy group of benzoic acid by a sodium ion. It is a tablet, capsule and injectable lubricant used in the pharmaceutical formulations.
| Characters | Unit | Specification |
|---|---|---|
| Appearance | white or almost white, crystalline powder | |
| Assay | % | 99,0 – 100,5 |
| Identification A+B | complies | |
| Acidity or alkalinity | complies | |
| Loss on drying (105°C) | % | max. 2 |
| Halogenated compounds | ||
| -for total chlorine | ppm | max. 300 |
| Heavy metals | ppm | max. 10 |
| Total aerobic microbial count | cfu/g | max. 100 |
| Total yeasts and moulds count | cfu/g | max. 50 |
| E.coli | cfu/g | absent in 1g |
| Pseudomonas aeruginosa | cfu/g | absent in 1g |
| Staphylococcus aureus | cfu/g | absent in 1g |
| Salmonella | cfu/g | absent in 25g |
| Bacterial endotoxin | IU/g | max. 2,5 |
Shelf Life/Retest Date: Sodium Benzoate powder can be kept for at least 2 years if stored under recommended conditions.
Storage/Shipping Conditions:
- Keep container tightly closed in a dry and well-ventilated place.
- Store at room temperature in the original container.
- Store away from incompatible materials.
- Hygroscopic.
Pack Sizes: 5 Kg
