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71300

Sigma-Aldrich

Sodium benzoate

purum p.a., ≥99.0% (NT)

Synonym(s):

Benzoic acid sodium salt

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About This Item

Linear Formula:
C6H5COONa
CAS Number:
Molecular Weight:
144.10
Beilstein:
3572467
EC Number:
MDL number:
UNSPSC Code:
12352100
eCl@ss:
39024301
PubChem Substance ID:
NACRES:
NA.21
form:
powder
solubility:
water: soluble(lit.)

grade

purum p.a.

Quality Level

Assay

≥99.0% (NT)

form

powder

mp

>300 °C (lit.)

solubility

water: soluble(lit.)

anion traces

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

cation traces

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤2000 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

functional group

phenyl

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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General description

Sodium benzoate is the sodium salt of benzoic acid. On dissolution in water it affords weakly basic solution. It is widely employed as a food preservative and in various cosmetic products. It has anti-corrosive properties. Its determination in fruit juices, sodas, soy sauce, ketchup, peanut butter, cream cheese and other foods by HPLC method has been proposed. It exhibits microbicidal action and is added as anti-microbial agent in various food products. It is a Food and Drug Administration-approved nontoxic drug.

Application

Sodium benzoate may be used in the preparation of various heavy metal benzoates.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - 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

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