Agent Name

Pyruvic acid

CAS Number

127-17-3

Formula

C3-H4-O3

Major Category

Biological Agents

Synonyms

2-Ketopropionic acid; 2-Oxopropanoic acid; 2-Oxopropansaeure; 2-Oxopropionic acid; 2-Oxopropionsaeure; Acetylformic acid; BTS; Propanoic acid, 2-oxo-; Pyroracemic acid; Pyruvic acid (natural); alpha-Ketopropionic acid; alpha-Oxopropionsaeure; [ChemIDplus] UN3265

Category

Other Biomolecules

Description

Liquid with an odor like acetic acid; mp = 11.8 deg C; [Merck Index]

Sources/Uses

Intermediate in sugar metabolism and alcoholic fermentation; [Merck Index] Used as flavoring agent or adjuvant; [FDA] "Pyruvic acid supplies energy to living cells through the citric acid cycle (also known as the Krebs cycle) when oxygen is present (aerobic respiration), and alternatively ferments to produce lactic acid when oxygen is lacking (fermentation)." [Wikipedia]

Comments

Causes degenerative changes to brain in acute cerebral studies of rats; [RTECS] Polymerizes and decomposes on standing unless pure and stored in airtight container; [Merck Index] Safe when used as a flavoring agent in food; [JECFA] Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Sigma-Aldrich MSDS]

Exposure Assessment
Vapor Pressure

1.29 mm Hg

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Corrosive liquid, acidic, organic, n.o.s."

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Other Information

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