CAS No.532-32-1 Sodium benzoate

Sodium benzoate

Identification
Name Sodium benzoate
CAS Registry Number 532-32-1
Synonyms BENZOTRON(R);BENZOIC ACID SODIUM SALT;FEMA 3025;SODIUM BENZOATE;PUROX S;NATRII BENZOAS;antimol;benzoansodny
Molecular Structure Sodium benzoate   532-32-1
Molecular Formula C7H5NaO2
Molecular Weight 144.1
mp: >300 ℃(lit.)
Hazard Codes: Details
Risk Statements: 36/37/38-62-63-68
Safety Statements: 24/25-36-26
HS Code: 29163100

CAS 532-32-1 Wiki / 532-32-1 MSDS

Sodium benzoate
Sodium benzoate
Powder of sodium benzoate
Names
IUPAC name
sodium benzoate
Other names
E211, benzoate of soda
Identifiers
CAS Number
  • 532-32-1 YesY
3D model (Jmol)
  • Interactive image
ChEBI
  • CHEBI:113455 N
ChemSpider
  • 10305 YesY
ECHA InfoCard 100.007.760
E number E211 (preservatives)
PubChem CID
  • 517055
RTECS number DH6650000
UNII
  • OJ245FE5EU YesY
Properties
Chemical formula
C7H5NaO2
Molar mass 144.10 g·mol−1
Appearance white or colorless crystalline powder
Odor odorless
Density 1.497 g/cm3
Melting point 410 °C (770 °F; 683 K)
Solubility in water
62.69 g/100 mL (0 °C)
62.78 g/100 mL (15 °C)
62.87 g/100 mL (30 °C)
71.11 g/100 mL (100 °C)[1]
Solubility soluble in liquid ammonia, pyridine[1]
Solubility in methanol 8.22 g/100 g (15 °C)
7.55 g/100 g (66.2 °C)[1]
Solubility in ethanol 2.3 g/100 g (25 °C)
8.3 g/100 g (78 °C)[1]
Solubility in 1,4-Dioxane 0.818 mg/kg (25 °C)[1]
Pharmacology
ATC code
A16AX11 (WHO)
Hazards
GHS pictograms The exclamation-mark pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)[2]
GHS signal word Warning
GHS hazard statements
H319[2]
GHS precautionary statements
P305+351+338[2]
EU classification (DSD)
Irritant Xi
R-phrases R36
S-phrases S26
NFPA 704
Flammability code 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g., canola oilHealth code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroformReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
1
2
0
Flash point 100 °C (212 °F; 373 K)
Autoignition
temperature
500 °C (932 °F; 773 K)
Lethal dose or concentration (LD, LC):
LD50 (median dose)
4100 mg/kg (oral, rat)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YesYN ?)
Infobox references

Sodium benzoate is a substance which has the chemical formula NaC7H5O2. It is a widely used food preservative, with an E number of E211. It is the sodium salt of benzoic acid and exists in this form when dissolved in water. It can be produced by reacting sodium hydroxide with benzoic acid.