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Sodium benzoate

CAS 532-32-1C7H5NaO2MW 144.02 g/mol

Sodium benzoate (CAS 532-32-1) — formula C7H5NaO2, molecular weight 144.02 g/mol; category chemical.

Specifications

CAS Number532-32-1
Molecular FormulaC7H5NaO2
Molecular Weight144.02 g/mol
Melting Point>300 °C
CategoryPreservatives

Purchase Profile

What this product is

Sodium benzoate is a chemical compound with CAS registry number 532-32-1 and molecular formula C7H5NaO2 (molecular weight 144.02 g/mol), belonging to the chemical segment of chemical raw materials.

Identification

CAS number: 532-32-1

Its molecular formula C7H5NaO2 comprises 7 C, 5 H, 1 Na, 2 O atoms.

Also known as: Sodium benzoate · Benzoic acid, sodium salt · Sodium Benzoate FCC · Sodium Benzoate BP

Category: chemical

Frequently Asked Questions

What is the CAS number of Sodium benzoate?

The CAS registry number of Sodium benzoate is 532-32-1.

What is the molecular formula and molecular weight of Sodium benzoate?

Molecular formula C7H5NaO2, molecular weight 144.02 g/mol.

What other names is Sodium benzoate known by?

It is also registered under: Sodium benzoate, Benzoic acid, sodium salt, Sodium Benzoate FCC, Sodium Benzoate BP.

Which category does Sodium benzoate belong to?

Category: Preservatives.

PubChem Public Data

Public-database records for Sodium benzoate (CAS 532-32-1), reproduced here for independent cross-checking.

Safety classification and hazard statements

GHS notification summary61.8% (1827 / 2956)
Reported hazard statementsH319 (37.9%)

This chemical does not meet GHS hazard criteria for 61.8% (1827 of 2956) of all reports.

H319 (37.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Regulatory listings

Regulatory & Food ContactFDA Substance added to food: ANTIMICROBIAL AGENT, ANTIOXIDANT, COLOR OR COLORING ADJUNCT, FLAVOR ENHANCER, FL
PRESERVATIVE: Food Additives
ANTIMICROBIAL AGENT, ANTIOXIDANT, COLOR OR COLORING ADJUNCT, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, FUM
0–20 mg/kg bw
TRS 1037 JECFA 92/5
FAS 83-JECFA 92/5
GHS notification summary61.8% (1827 / 2956)

Physical description and handling notes

  • Dry Powder; Large Crystals; CBI; Dry Powder; Large Crystals; Liquid; Wet Solid; Other Solid; Liquid; Liquid; Other Solid
  • A white, almost odourless, crystalline powder or granules
  • White odorless solid; [Merck Index] Hygroscopic; [ICSC] White powder; [MSDSonline]
  • WHITE HYGROSCOPIC CRYSTALLINE POWDER OR GRANULES
  • White, granules or crystalline powder
  • Colorless crystalline powder

Reported physical properties

熔点>300 °C
闪点>100 °C (>212 °F)
闪点>100 °C
自燃温度>500 °C

How this substance is indexed

CAS Registry Number532-32-1
PubChem CID517055
分子式C7H5O2Na
IUPAC 名称sodium benzoate
UNII（FDA）OJ245FE5EU
FEMA 编号3025

Documented uses

  • CIR ingredient: Sodium Benzoate
  • Used as an intermediate and preservative (foods, pharmaceuticals, lotions, mouthwashes, and water-based paint); [HSDB] Used as flavoring agent, adjuvant in foods, clinical reagent (bilirubin assay), and diagnostic aid (hepatic function); [Merck Index] Used as corrosion inhibitor in engine cooling systems; [CHEMINFO]
  • Painting (Pigments, Binders, and Biocides) [Category: Paint]
  • Table: Reported uses (ppm): (Flavor and Extract Manufacturers' Association, 1994) [Table#1985]
  • Food preservative, antiseptic, medicine, tobacco, pharmaceutical preparations, intermediate for manufacture of dyes, rust and mildew inhibitor.
  • Benzoic acid and sodium benzoate are used as preservatives in beverages, fruit products, chemically leavened baked goods, and condiments, preferably in a pH range below 4.5.

Names this substance appears under

sodium benzoate; 532-32-1; Sobenate; Antimol; Benzoic acid, sodium salt; sodium;benzoate; Benzoate sodium; Benzoate of soda; Benzoate, sodium; Natrium benzoicum; FEMA No. 3025; Fuminaru; Benzoan sodny; Microcare sb; PUROX S; Benzoesaeure (na-salz)

Computed molecular descriptors

分子量144.10
氢键供体数0
氢键受体数2
可旋转键数1
精确质量144.01872368
单同位素质量144.01872368
拓扑极性表面积40.1
重原子数10
形式电荷0
复杂度108

Database abstract

Sodium Benzoate BP · CAS 532-32-1 · C7H5O2Na. UNII OJ245FE5EU. 熔点: >300 °C; 闪点: >100 °C (>212 °F); 闪点: >100 °C.

Source: PubChem / Wikidata; the batch COA governs where values differ.

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