苯甲酸钾

Description

Potassium Benzoate · CAS 582-25-2 · C7H5KO2. UNII 763YQN2K7K.

Identification

CAS Registry Number	582-25-2
PubChem CID	23661960
Molecular formula	C7H5KO2
IUPAC name	potassium benzoate
UNII (FDA)	763YQN2K7K

Computed Descriptors

Molecular Weight	160.21
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	159.99266088
Monoisotopic Mass	159.99266088
Topological Polar Surface Area	40.1
Heavy Atom Count	10
Formal Charge	0
Complexity	108

Physical description & handling notes

• Large Crystals
• White crystalline powder
• White solid; [Reference #1] White powder; [Aldrich MSDS]
• for benzoic acidMelting range of benzoic acid isolated by acidification and not recrystallised 121,5 °C to 123,5 °C, after vacuum drying in a sulphuric acid desiccator

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: ANTIMICROBIAL AGENT FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS PRESERVATIVE: Food Additives 0–20 mg/kg bw TRS 1037 JECFA 92/5 FAS 83-JECFA 92/5
GHS notification summary	1.5% (10 / 655)

GHS Hazard Classification

GHS notification summary	1.5% (10 / 655)
Reported hazard statements	H315 (81.2%), H319 (17.3%)

Documented Uses

• CIR ingredient: Potassium Benzoate
• Used as a preservative for pharmaceuticals; [ChemIDplus] Used as a preservative in non-alcoholic beverages; [OECD SIDS: Benzoates - 2001]
• EPA Safer Chemical Functional Use Classes -> Preservatives and Antioxidants
• Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern
• Food Additives -> PRESERVATIVE -> JECFA Functional Classes
• Not Known or Reasonably Ascertainable

Synonyms

POTASSIUM BENZOATE; 582-25-2; Benzoic acid, potassium salt; DTXSID1027219; 763YQN2K7K; INS NO.212; INS-212; DTXCID007219; E--212; RefChem:175422; 209-481-3; potassium;benzoate; benzoic acid potassium; Potassium benzoate [NF]; Benzoic acid potassium salt; Potassium benzoate (NF)

Frequently Asked Questions

What are the CAS number and molecular formula of Potassium Benzoate?

CAS 582-25-2; molecular formula C7H5KO2; molecular weight — g/mol.

What other names is Potassium Benzoate known by?

POTASSIUM BENZOATE, 582-25-2, Benzoic acid, potassium salt, DTXSID1027219, 763YQN2K7K, INS NO.212.

What is the regulatory status of Potassium Benzoate?

Documented regulatory listings: FDA Substance added to food: ANTIMICROBIAL AGENT; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; PRESERVATIVE: Food Additives.

Is Potassium Benzoate classified as hazardous?

1.5% of GHS notifications report no hazard classification (10 of 655).

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.