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Safety Information

71295

Sigma-Aldrich

Sodium benzoate

BioUltra, ≥99.5% (NT)

Synonym(s):

Benzoic acid sodium salt

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About This Item

Linear Formula:
C6H5COONa
CAS Number:
532-32-1
Molecular Weight:
144.10
Beilstein:
3572467
EC Number:
208-534-8
MDL number:
MFCD00012463
UNSPSC Code:
12352200
eCl@ss:
39024301
PubChem Substance ID:
57652282

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

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

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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
GHS07

Signal Word

Warning

Hazard Statements

H319

Hazard Classifications

Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

71295-BULK:
71295-1KG:
71295-VAR:
71295-50G:
71295-500G:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCH5422
BCBJ9127V
BCBH8216V
BCBG3545V
BCBD5412V

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F.M. Kiger et al.
Invest. Agric.(Santiago), 4, 25-25 (1978)
M. Mosso Romeo et al.
An. R. Acad. Farm., 43, 571-571 (1977)
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)
Jia Li et al.
Environmental science and pollution research international, 18(9), 1567-1573 (2011-05-18)
This study investigated the effect of copper on chemical oxygen demand (COD) removal efficiency and on the properties (mainly settling and dewatering) and the composition of extracellular polymeric substances (EPS) when 20 mg/L Cu(II) was continuously dosed to a sequencing
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