Ingredient Dictionary

PYRUVIC ACID

Pyruvic acid is a 2-oxo monocarboxylic acid that is the 2-keto derivative of propionic acid.

How much products actually contain

8 products state the amountmedian 0.000055%

under 0.01% 8
0.01–0.1% 0
0.1–1% 0
1% or more 0

Amounts are mostly stated by products named after the ingredient, so they may lean towards token amounts.

Of the products containing it, 5 list it before the 1% line and 5 after it (usually 1% or less).

Products using this ingredient

10 of 10 confirmed · likeliest to carry enough first

Definition

Pyruvic acid is a 2-oxo monocarboxylic acid that is the 2-keto derivative of propionic acid. It is a metabolite obtained during glycolysis. It has a role as a cofactor and a fundamental metabolite. It is functionally related to a propionic acid. It is a conjugate acid of a pyruvate.

Source: PubChem

US FDA substance register · UNII 8558G7RUTR · registered name Pyruvic Acid · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Listed as a fragrance-composition material (not a claim that it adds scent)FRAGRANCE

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name ピルビン酸: 本品は、次の化学式で表される有機酸である。

Source: JCIA labelling names (Japan)

Names & identifiers

PYRUVIC ACIDINCI파이루빅애씨드Korean label name (MFDS standard)Propanoic acid, 2-oxo-Synonymピルビン酸Japanese labelling name

CAS No.chemical registry number: 127-17-3
EC No.EU chemical inventory number: 204-824-3
DTXSIDUS EPA chemical ID: DTXSID2021650
DTXCIDUS EPA compound ID: DTXCID801650

IUPAC: 2-Oxopropanoic acid
Molecular formula: C3H4O3
Molecular weight: 88.062 g/mol

Measured properties

Appearance: liquid
Melting/freezing point: 14 ℃
Initial boiling point and range: 165 ℃
Flash point: 54 ℃
Upper/lower flammability or explosive limits: 16.6 / 3.6 %
Vapour pressure: 1.29 ㎜Hg (at 25C)
Vapour density: 3.0
Relative density: 1.2
n-Octanol/water partition coefficient (Kow): -1.24 (est.)
Auto-ignition temperature: 305 ℃
Decomposition temperature: 165 ℃
Molecular weight: 88.06

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: KOSHA safety data sheets (Korea)

What products actually use it for

What the 9 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Fragrance3
Flavouring and nutrient2
Deodorizer2
No specific technical function1
pH regulating agent1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

3 skin studies and 1 eye studies are on record.

Classed as highly irritating1

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 4 studies

Category 8.2C (Category 1C)
Skin Irritation · Read Across
Category 6.3A (Category 2)
Skin Irritation · Read Across
Skin corrosion/irritation - Category 1
Skin Irritation · Screening
Category 8.3A (Category 1)
Eye Irritation · Read Across