Sodium benzoate

grade

puriss.

Quality Level

200

assay

99.0-100.5% (calc. to the dried substance)

form

powder

quality

meets analytical specification of Ph. Eur., BP, FCC, E211

impurities

acidity or alkalinity, complies
oxidizable impurities, complies
residual solvents, complies
≤0.001% heavy metals (as Pb)
≤0.03% halogenated compounds (as Cl)

loss

≤1% loss on drying, 105 °C

mp

>300 °C (lit.)

solubility

water: soluble 556 g/L

anion traces

chloride (Cl^-): ≤100 mg/kg
sulfate (SO₄^2-): ≤100 mg/kg

cation traces

As: ≤2 mg/kg
Cu: ≤10 mg/kg
Hg: ≤1 mg/kg
Pb: ≤2 mg/kg
Zn: ≤10 mg/kg

suitability

complies for appearance of solution

SMILES string

[Na+].[O-]C(=O)c1ccccc1

InChI

1S/C7H6O2.Na/c8-7(9)6-4-2-1-3-5-6;/h1-5H,(H,8,9);/q;+1/p-1

InChI key

WXMKPNITSTVMEF-UHFFFAOYSA-M