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Sodium benzoate

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym: Benzoic acid sodium salt

  • CAS Number 532-32-1

  • Linear Formula C6H5COONa

  • Molecular Weight 144.10

  •  Beilstein/REAXYS Number 3572467

  •  EC Number 208-534-8

  •  MDL number MFCD00012463

  •  PubChem Substance ID 329823236

  •  NACRES NA.24

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Properties

Related Categories Additional Standards, All Alphabetically Sorted, Analytical Standards, Analytical/Chromatography, Antioxidants & Preservatives,
grade   certified reference material
  pharmaceutical secondary standard
InChI Key   WXMKPNITSTVMEF-UHFFFAOYSA-M
form   neat
mp   >300 °C (lit.)
Featured Industry   Cleaning Products
Cosmetics
Food and Beverages
Personal Care
Pharmaceutical (small molecule)
format   neat
pharmacopeia traceability   traceable to USP 1055002
  traceable to USP 1613564

Description

General description

Sodium benzoate is a sodium salt of benzoic acid, that is freely soluble in water compared to benzoic acid. It is generally used as an antimicrobial preservative in cosmetics, food, and pharmaceuticals.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Application

Sodium benzoate may be used as a pharmaceutical reference standard for the determination of the analyte in raw material, food, cosmetics and pharmaceutical formulations by titrimetry and liquid chromatography.

These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Analysis Note

These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Footnote

To see an example of a Certificate of Analysis for this material enter LRAC0283 in the slot below. This is an example certificate only and may not be the lot that you receive.

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
DH6650000
Flash Point(F) 
>212 °F
Flash Point(C) 
>100 °C

Documents

Certificate of Analysis (COA)

Please Enter a Lot Number

Setting the Standard for Solid Formulation
Protocols & Articles

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Peer-Reviewed Papers
15

References

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1613564 Sodium benzoate, United States Pharmacopeia (USP) Reference Standard

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