Functional Roles
Industries Served
Physical Properties
physical_description
Dry Powder; Liquid; Pellets or Large Crystals; Dry Powder, Pellets or Large Crystals
color/form
White, granules or crystalline powder
odor
Odorless
taste
Unpleasant, sweetish, saline taste
boiling_point
>450 u00b0C to <475 u00b0C, decomposes with no boiling (OECD Guideline 103 (Boiling point/boiling range))
melting_point
for benzoic acidMelting range of benzoic acid isolated by acidification and not recrystallised 121,5 u00b0C to 123,5 u00b0C, after drying in a sulphuric acid desiccator
flash_point
>100 u00b0C (>212 u00b0F)
solubility
1 g dissolves in 1.8 mL water, 1.4 mL boiling water, about 75 mL alcohol, 50 mL mixture of 47.5 mL alcohol and 3.7 mL water
density
1.50 g/cu cm (OECD Guideline 109 (Density of Liquids and Solids))
logp
-2.27 (calculated)
stability/shelf_life
Stable under recommended storage conditions.
autoignition_temperature
>500 u00b0C
decomposition
It may emit acrid fumes when heated to decomposition (at 120 u00b0C/248 u00b0F).
ph
Aqueous solution is slightly alkaline to litmus, pH about 8
surface_tension
72.9 mN/m at 20 u00b0C in water at 1 g/L OECD Guideline 115 (Surface Tension of Aqueous Solutions)
other_experimental_properties
Decomp by dil mineral acid liberating benzoic acid
GHS / SDS Safety
Warning
Irritant
- H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H319 (37.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Chemical Identity
| CAS Number | 532-32-1 |
| IUPAC Name | sodium benzoate |
| InChI Key | WXMKPNITSTVMEF-UHFFFAOYSA-M |
| PubChem CID | 517055 |
| INCI Name | SODIUM BENZOATE |
Synonyms & Trade Names
Full Description
Sodium Benzoate (NaB) is a sodium salt of benzoic acid that functions as a preservation agent in industrial formulations. This specialty additive is widely utilized across Beauty & Personal Care, Food & Beverage, and Pharmaceutical industries to extend product shelf life and maintain stability. With high water solubility (1g in 1.8 mL water) and a molecular weight of 144.10, it provides effective antimicrobial protection in aqueous systems.