丙酸钠

Description

Sodium propionate · CAS 137-40-6 · C3H5O2Na. UNII DK6Y9P42IN. Melting Point: 210 °C; Flash Point: >250 °C o.c.; pH: 7,5-10,5 (10 % aqueous solution).

Identification

CAS Registry Number	137-40-6
PubChem CID	2723816
Molecular formula	C3H5O2Na
IUPAC name	sodium propanoate
UNII (FDA)	DK6Y9P42IN

Computed Descriptors

Molecular Weight	96.06
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	96.01872368
Monoisotopic Mass	96.01872368
Topological Polar Surface Area	40.1
Heavy Atom Count	6
Formal Charge	0
Complexity	44.1

Physical & Chemical Properties

Melting Point	210 °C
Flash Point	>250 °C o.c.
pH	7,5-10,5 (10 % aqueous solution)

Physical description & handling notes

• White crystalline hygroscopic powder, or a fine white powder
• Transparent deliquescent solid; [Merck Index] White hygroscopic solid; [ICSC] White powder; [MSDSonline]
• WHITE HYGROSCOPIC CRYSTALLINE POWDER WITH CHARACTERISTIC ODOUR.
• Transparent crystals, granules
• FREE-FLOWING
• Colorless, crystalline solid

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: ANTIMICROBIAL AGENT, FLAVORING AGENT OR ADJUVANT PRESERVATIVE: Food Additives The 1973 group ADI of "not limited" for propionic acid and its calcium, potassium and sodium salts was maintai NMRS 53/TRS 539-JECFA 17/23 FAS 5/NMRS 53A-JECFA 17/110 CIR / INCI: Preservative
GHS notification summary	40.8% (190 / 466)

GHS Hazard Classification

GHS notification summary	40.8% (190 / 466)
Reported hazard statements	H302, H317, H318, H411, H312 (32.2%), H319 (33.5%)

Documented Uses

• Used as mold preventative (bread, other baked goods, and animal feed), preservative in tobacco, topical antifungal, and veterinary medication; Used formerly as fungicide; [HSDB]
• Farming (Feed Additives) [Category: Industry]
• MOLD PREVENTATIVE IN BREAD, ANIMAL FEEDS
• For more Uses (Complete) data for SODIUM PROPIONATE (13 total), please visit the HSDB record page.
• EPA Safer Chemical Functional Use Classes -> Preservatives and Antioxidants;Processing Aids and Additives
• Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern

Synonyms

SODIUM PROPIONATE; 137-40-6; Sodium propanoate; Propionic acid sodium salt; Propanoic acid, sodium salt; Ocuseptine; Napropion; Propisol; Propionic acid, sodium salt; Bioban-S; Propiofar; Deketon; Impedex; Keenate; Mycoban; Natriumpropionat

Frequently Asked Questions

What are the CAS number and molecular formula of Sodium propionate?

CAS 137-40-6; molecular formula C3H5O2Na; molecular weight — g/mol.

What other names is Sodium propionate known by?

SODIUM PROPIONATE, 137-40-6, Sodium propanoate, Propionic acid sodium salt, Propanoic acid, sodium salt, Ocuseptine.

What is the regulatory status of Sodium propionate?

Documented regulatory listings: FDA Substance added to food: ANTIMICROBIAL AGENT, FLAVORING AGENT OR ADJUVANT; PRESERVATIVE: Food Additives; The 1973 group ADI of "not limited" for propionic acid and its calcium, potassium and sodium salts was maintai.

Is Sodium propionate classified as hazardous?

40.8% of GHS notifications report no hazard classification (190 of 466).

What are the key physical properties of Sodium propionate?

Melting Point: 210 °C; Flash Point: >250 °C o.c.; pH: 7,5-10,5 (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.