丙酮酸

Description

Pyruvic acid · CAS 127-17-3 · C3H4O3. UNII 8558G7RUTR. Boiling Point: 54; Boiling Point: 164 °C; Melting Point: 13.8.

Identification

CAS Registry Number	127-17-3
PubChem CID	1060
Molecular formula	C3H4O3
IUPAC name	2-oxopropanoic acid
UNII (FDA)	8558G7RUTR
FEMA number	2970
JECFA number	936

Computed Descriptors

Molecular Weight	88.06
XLogP3	-0.3
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	1
Exact Mass	88.016043985
Monoisotopic Mass	88.016043985
Topological Polar Surface Area	54.4
Heavy Atom Count	6
Formal Charge	0

Physical & Chemical Properties

Boiling Point	54
Boiling Point	164 °C
Melting Point	13.8
Melting Point	13.8 °C
Solubility	1000000
Solubility	1000.0 mg/mL
Density	1.260-1.281
Vapor Pressure	1.29 [mmHg]
LogP	-0.5
LogP	-0.9

Physical description & handling notes

• Liquid with an odor like acetic acid; mp = 11.8 deg C; [Merck Index]
• Liquid
• colourless to amber viscous liquid with a sour vinegar-like odour
• miscible with water; soluble in organic solvents, oils
• miscible at room temperature (in ethanol)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent TRS 909-JECFA 57/98

GHS Hazard Classification

Reported hazard statements	H314 (100%), H318 (83.2%)

Documented Uses

• Intermediate in sugar metabolism and alcoholic fermentation; [Merck Index] Used as flavoring agent or adjuvant; [FDA]
• For nutritional supplementation, also for treating dietary shortage or imbalance
• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index
• Pyruvate is absorbed from the gastrointestinal tract from whence it is transported to the liver via the portal circulation.
• In the liver, pyruvate is metabolized via several pathways.

Synonyms

Pyruvic acid; 2-Oxopropanoic acid; 127-17-3; acetylformic acid; Pyroracemic acid; 2-Oxopropionic acid; Propanoic acid, 2-oxo-; alpha-ketopropionic acid; 2-Ketopropionic acid; 2-Oxopropansaeure; 2-Oxopropionsaeure; alpha-Oxopropionsaeure; 2-oxo-propionic acid; acide pyruvique; a-Ketopropionic acid; CH3COCOOH

Frequently Asked Questions

What are the CAS number and molecular formula of Pyruvic acid?

CAS 127-17-3; molecular formula C3H4O3; molecular weight — g/mol.

What other names is Pyruvic acid known by?

Pyruvic acid, 2-Oxopropanoic acid, 127-17-3, acetylformic acid, Pyroracemic acid, 2-Oxopropionic acid.

What is the regulatory status of Pyruvic acid?

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

Is Pyruvic acid classified as hazardous?

Hazard statements reported: H314, H318.

What are the key physical properties of Pyruvic acid?

Boiling Point: 54; Boiling Point: 164 °C; Melting Point: 13.8; Melting Point: 13.8 °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.