苯甲酸钠BP

Description

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

Identification

CAS Registry Number	532-32-1
PubChem CID	517055
Molecular formula	C7H5O2Na
IUPAC name	sodium benzoate
UNII (FDA)	OJ245FE5EU
FEMA number	3025

Computed Descriptors

Molecular Weight	144.10
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	144.01872368
Monoisotopic Mass	144.01872368
Topological Polar Surface Area	40.1
Heavy Atom Count	10
Formal Charge	0
Complexity	108

Physical & Chemical Properties

Melting Point	>300 °C
Flash Point	>100 °C (>212 °F)
Flash Point	>100 °C
Autoignition Temperature	>500 °C

Physical description & 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

Regulatory Status

Regulatory & Food Contact	FDA 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 summary	61.8% (1827 / 2956)

GHS Hazard Classification

GHS notification summary	61.8% (1827 / 2956)
Reported hazard statements	H319 (37.9%)

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.

Synonyms

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)

Frequently Asked Questions

What are the CAS number and molecular formula of Sodium Benzoate BP?

CAS 532-32-1; molecular formula C7H5O2Na; molecular weight — g/mol.

What other names is Sodium Benzoate BP known by?

sodium benzoate, 532-32-1, Sobenate, Antimol, Benzoic acid, sodium salt, sodium;benzoate.

What is the regulatory status of Sodium Benzoate BP?

Documented regulatory listings: FDA 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.

Is Sodium Benzoate BP classified as hazardous?

61.8% of GHS notifications report no hazard classification (1827 of 2956).

What are the key physical properties of Sodium Benzoate BP?

Melting Point: >300 °C; Flash Point: >100 °C (>212 °F); Flash Point: >100 °C; Autoignition Temperature: >500 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.