双乙酸钠

Description

SODIUM DIACETATE FCC · CAS 126-96-5 · C4H7NaO4. UNII 26WJH3CS0B. pH: 4,5-5,0 (10 % aqueous solution).

Identification

CAS Registry Number	126-96-5
PubChem CID	23662384
Molecular formula	C4H7NaO4
IUPAC name	sodium;acetic acid;acetate
UNII (FDA)	26WJH3CS0B
FEMA number	3900

Computed Descriptors

Molecular Weight	142.09
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	142.02420298
Monoisotopic Mass	142.02420298
Topological Polar Surface Area	77.4
Heavy Atom Count	9
Formal Charge	0
Complexity	65.6

Physical & Chemical Properties

pH	4,5-5,0 (10 % aqueous solution)

Physical description & handling notes

• Liquid; CBI
• White, hygroscopic crystalline solid with an acetic odour
• White solid; [Merck Index] White powder with an odor of vinegar; [MSDSonline]
• White powder
• CRYSTALLINE SOLID
• Acetic acid odor

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents PRESERVATIVE; SEQUESTRANT: Food Additives Sodium diacetate is a molecular compound of sodium acetate and acetic acid JECFA ADI: 0-15 mg/kg bw
GHS notification summary	1.8% (28 / 1589)

GHS Hazard Classification

GHS notification summary	1.8% (28 / 1589)
Reported hazard statements	H318 (91.1%)

Documented Uses

• Used as a buffer, souring agent, food preservative, animal feed sequestrant, and agricultural fungicide and bactericide; Also used in mordants, varnish hardeners, and anti-tarnishing agents; [HSDB] Used as a fungicide and bactericide in stored grains, to apply to hay during the baling process, and to apply to silage as a fermentation aid; [Reference #1]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Using Disinfectants or Biocides [Category: Clean]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Farming (Feed Additives) [Category: Industry]
• Acetic acid in solid form; as an inhibitor of molds and rope-forming bacteria in bread: as sequestrant.

Synonyms

SODIUM DIACETATE; 126-96-5; Acetic acid, sodium salt (2:1); Sodium hydrogen diacetate; Sodium acid acetate; Dykon; Acid acetate; Sodium acetate, acid; Sodium hydrogen acetate; Sodium acetate (1:2); Acetic acid dimer, sodium salt; 26WJH3CS0B; INS NO.262(II); DTXSID3034909; INS-262(II); E-262(II)

Frequently Asked Questions

What are the CAS number and molecular formula of SODIUM DIACETATE FCC?

CAS 126-96-5; molecular formula C4H7NaO4; molecular weight — g/mol.

What other names is SODIUM DIACETATE FCC known by?

SODIUM DIACETATE, 126-96-5, Acetic acid, sodium salt (2:1), Sodium hydrogen diacetate, Sodium acid acetate, Dykon.

What is the regulatory status of SODIUM DIACETATE FCC?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is SODIUM DIACETATE FCC classified as hazardous?

1.8% of GHS notifications report no hazard classification (28 of 1589).

What are the key physical properties of SODIUM DIACETATE FCC?

pH: 4,5-5,0 (10 % aqueous solution).

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.