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Molekula

Sodium benzoate

CAS 532-32-1 C6H5COONa MW 144.10 In stock

Sodium benzoate is a white crystalline powder used as a preservative in food, pharmaceuticals, and cosmetics. It inhibits the growth of mold, yeast, and bacteria. Available in 1 kg, 5 kg, and 25 kg packaging, it has a CAS number of 532-32-1, molecular formula C6H5COONa, and molecular weight of 144.10 g/mol. Store at ambient temperatures. Signal word: Warning. Molekula supplies Sodium benzoate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Sodium benzoate is a white crystalline powder used as a preservative in food, pharmaceuticals, and cosmetics. It inhibits the growth of mold, yeast, and bacteria. Available in 1 kg, 5 kg, and 25 kg packaging, it has a CAS number of 532-32-1, molecular formula C6H5COONa, and molecular weight of 144.10 g/mol. Store at ambient temperatures. Signal word: Warning. Molekula supplies Sodium benzoate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White grains, dust free no odour
Insoluble Matter Passes test
Organic Volatile Impurities Passes test
Mercury, mg/kg ≤0.1
Iron (mg/kg) ≤1
Heavy metals (mg/kg) ≤10
Chloride as Cl (mg/kg) ≤50
Assay on dried product (%m/m) ≥99.9%
Loss on drying (%m/m) ≤1.0%
Colour, 10% m/m solution in water (APHA) ≤1.0%
Acidity (mg NAOH/g) ≤0.40
Alkalinity (mg HCI/g) ≤0.37
Phenol (mg/kg) ≤2%
Sulphate, as SO42- (mg/kg) ≤50
Halogenated Compounds, as Cl- (mg/kg) ≤25
Total Chlorine, as Cl- (mg/kg) ≤75
Turbidity (of a 10% (m/m) solution in water) (NTU) ≤0.5
Oxidizable substances (ml 0.02 mol KMnO4/g) ≤0.1
Polycyclic acids Passes test
Phthalic acid (mg/kg) ≤50

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months
Acidity Neutral

Identification

Property Value
CAS Number 532-32-1
Molecular Formula C6H5COONa
Molecular Weight 144.10
SMILES [Na].O=C(O)C=1C=CC=CC1
REACH Code Y113
TSCA Listed Yes
HTS Code 29163111
Tariff Code 2916310090

Safety & GHS

Warning
  • GHS pictogram — Explosive Explosive GHS01

Hazard statements

  • H319 Causes serious eye irritation

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

  • 1 kg

    £30.89 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is sodium benzoate used for?

Sodium benzoate is primarily used as a preservative in food, beverages, and pharmaceuticals due to its antimicrobial properties.

What is the chemical formula and molecular weight of sodium benzoate?

The formula is C6H5COONa and the molecular weight is 144.10 g/mol.

How should sodium benzoate be stored?

It should be stored at ambient temperature, protected from moisture and direct sunlight.

What grade of sodium benzoate does Molekula supply?

Molekula supplies food-grade sodium benzoate suitable for use in food and pharmaceutical applications.

Can Molekula supply sodium benzoate in bulk?

Yes, Molekula can supply sodium benzoate in bulk quantities; please contact our sales team for pricing and availability.

What documentation comes with a sodium benzoate order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) upon request.

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Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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