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Merck
CN

71295

Sodium benzoate

BioUltra, ≥99.5% (NT)

Synonym(s):

Benzoic acid sodium salt

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About This Item

Linear Formula:
C6H5COONa
CAS Number:
Molecular Weight:
144.10
UNSPSC Code:
12352200
PubChem Substance ID:
eCl@ss:
39024301
EC Number:
208-534-8
Beilstein/REAXYS Number:
3572467
MDL number:
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InChI key

WXMKPNITSTVMEF-UHFFFAOYSA-M

InChI

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

SMILES string

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

product line

BioUltra

assay

≥99.5% (NT)

impurities

insoluble matter, passes filter test

loss

≤0.5% loss on drying, 20 °C (HV)

pH

7.0-8.5 (25 °C, 1 M in H2O)

mp

>300 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤200 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

absorption

cut-off at 295 nm in H2O at 1 M

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Other Notes

Preservative mostly for food products. The effect is best exhibited in slightly acidic media, no effect in basic media; Exhibits fungicidal activity in pharmaceutical preparations

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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M. Mosso Romeo et al.
An. R. Acad. Farm., 43, 571-571 (1977)
F.M. Kiger et al.
Invest. Agric.(Santiago), 4, 25-25 (1978)
Lamiaa El-Shennawy et al.
Reproductive toxicology (Elmsford, N.Y.), 98, 92-98 (2020-09-11)
The synthetic food preservative sodium benzoate (SB) is widely used in both food and pharmaceutical industries. A growing body of evidence highlights the adverse effects of SB on human health; however, effect of the prolonged intake of SB on the
Higson, S.P.J. et al.
Electroanalysis, 6, 431-431 (1994)
Saurabh Khasnavis et al.
Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology, 7(2), 424-435 (2011-06-28)
DJ-1 (PARK7) is a neuroprotective protein that protects cells from oxidative stress. Accordingly, loss-of-function DJ-1 mutations have been linked with a familial form of early onset Parkinson disease. Mechanisms by which DJ-1 level could be enriched in the CNS are

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