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W297003

Pyruvic acid

≥97%, FG

Synonym(s):

α-Ketopropionic acid, 2-Oxopropionic acid

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About This Item

Linear Formula:
CH3COCOOH
CAS Number:
127-17-3
Molecular Weight:
88.06
FEMA Number:
2970
Council of Europe no.:
19
UNSPSC Code:
12164502
eCl@ss:
39021320
PubChem Substance ID:
24901426
Flavis number:
8.019
EC Number:
204-824-3
NACRES:
NA.21
MDL number:
MFCD00002585
Beilstein/REAXYS Number:
506211
Organoleptic:
caramel; acidic; sour
Grade:
FG, Fragrance grade, Kosher
Biological source:
synthetic
Agency:
follows IFRA guidelines, meets purity specifications of JECFA
Food allergen:
no known allergens
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biological source

synthetic

Quality Segment

400, 300

grade

FG, Fragrance grade, Kosher

agency

follows IFRA guidelines, meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009, EU Regulation 1334/2008 & 178/2002, FDA 21 CFR 172.515

assay

≥97%

refractive index

n20/D 1.428 (lit.)

bp

165 °C (lit.)

mp

11-12 °C (lit.)

density

1.267 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

organoleptic

caramel; acidic; sour

SMILES string

CC(=O)C(O)=O

storage temp.

2-8°C

InChI

1S/C3H4O3/c1-2(4)3(5)6/h1H3,(H,5,6)

InChI key

LCTONWCANYUPML-UHFFFAOYSA-N

General description

Pyruvic acid is the key component formed during the hydrolysis of flavor-precursors called S-alk(en)yl-L-cysteine-sulfoxides in onion tissues by allinase during maceration or chopping. The amount of pyruvic acid formed is used as a measure for onion pungency.
Natural occurrence: Asparagus, beef, sake, Virginia tobacco, wheat bread.

Biochem/physiol Actions

Taste at 5 ppm

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pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1C

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

183.2 °F - closed cup

flash_point_c

84 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Group 4: Flammable liquids + Type 3 petroleums + Hazardous rank III + Water soluble liquid

fsl

W297003-250G-K:4.54817397459E12 + W297003-5KG-K:4.548173974613E12 + W297003-25KG-K:4.548173974606E12 + W297003-1KG-K:4.548173974583E12

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