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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 997Generated: October 27, 2026

Phenylpyruvic acid

PHENYLPYRUVIC ACID · phenylpyruvate · 2-Oxo-3-phenylpropanoic acid · 2-OXO-3-PHENYLPROPIONIC ACID · phenylpyruvic · L-PHENYLPYRUVICACID · 3-PHENYLPYRUVIC ACID · BENZYLGLYOXYLIC ACID

https://huagongshe.com/en/chemical/997

Phenylpyruvic acid molecular structure

Identifiers & Physical Properties

CAS No.156-06-9
Molecular formulaC9H8O3
Average molar mass164.16 g/mol
Monoisotopic mass164.04734411 g/mol
SMILESO=C(O)C(=O)Cc1ccccc1
InChIKeyBTNMPGBKDVTSJY-UHFFFAOYSA-N
PubChem CID997
ChEMBLCHEMBL1162488
ChEBICHEBI:30851
EC No.205-847-1
DTXSIDDTXSID1042281

Chemical & Physical Properties

XLogP1.3
Topological polar surface area54.4
Hydrogen bond donors1
Hydrogen bond acceptors3
Rotatable bonds3
Heavy atoms12
Formal charge0
Complexity180
Melting point150-154 °C (lit.)
Boiling point299.1±19.0 °C(Predicted)
Density1.257±0.06 g/cm3(Predicted)
FEMA3892 | 2-OXO-3-PHENYLPROPIONIC ACID
FLAVIS Number08.109 | 3-Phenylpyruvic acid
Storage conditions-20°C
SolubilitySoluble in DMSO
pKa (acidity coefficient)2.61±0.54(Predicted)
Physical statepowder to crystal
ColorWhite to Light yellow
Odorat 100.00 %. sweet acidic honey almond weedy phenolic green
Odor typehoney
SensitivityLight & Air Sensitive & Hygroscopic
JECFA Number1479
BRN2207312
Major applicationscleaning productscosmeticsfood and beveragespersonal care
InChI1S/C9H8O3/c10-8(9(11)12)6-7-4-2-1-3-5-7/h1-5H,6H2,(H,11,12)
InChIKeyBTNMPGBKDVTSJY-UHFFFAOYSA-N
SMILESOC(=O)C(=O)Cc1ccccc1
LogP (partition coefficient)0.54
CAS DataBase Reference156-06-9(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS)2-OXO-3-PHENYLPROPIONIC ACID
FDA UNIIX7CO62M413
NIST Chemistry ReferenceBenzenepropanoic acid, «alpha»-oxo-(156-06-9)
EPA Substance Registry SystemPhenylpyruvic acid (156-06-9)
UNSPSC Code12352106
NACRESNA.24
GHS pictogramGHS02,GHS06,GHS07,GHS08
Signal wordDanger
GHS hazard statementsH225-H301-H315-H319-H330-H334-H335
GHS precautionary statementsP210-P233-P240-P241-P242-P243-P260-P261-P264-P270-P271-P280-P284-P285-P301+P310-P302+P352-P303+P361+P353-P304-P304+P340-P304+P341-P305+P351+P338-P310-P312-P320-P321-P330-P332+P313-P337+P313-P340-P342+P311-P362-P370+P378-P403-P403+P233-P403+P235-P405-P501
Hazard symbolsXi
Risk statements (R)36/37/38
Safety statements (S)22-24/25-36-26
Water hazard class (WGK)3
F3-8-10-23
TSCA inventory statusTSCA listed
Customs code29183000
Storage class11 - Combustible Solids

Safety & Regulations

F3-8-10-23
Water hazard class (WGK)3
TSCA inventory statusTSCA listed
Customs code29183000
Risk statements (R)36/37/38
Signal wordDanger
GHS pictogramGHS02,GHS06,GHS07,GHS08
Hazard symbolsXi
Safety statements (S)22-24/25-36-26
Storage class11 - Combustible Solids
GHS hazard statementsH225-H301-H315-H319-H330-H334-H335
GHS precautionary statementsP210-P233-P240-P241-P242-P243-P260-P261-P264-P270-P271-P280-P284-P285-P301+P310-P302+P352-P303+P361+P353-P304-P304+P340-P304+P341-P305+P351+P338-P310-P312-P320-P321-P330-P332+P313-P337+P313-P340-P342+P311-P362-P370+P378-P403-P403+P233-P403+P235-P405-P501

Applications & Uses

Uses

α-Oxobenzenepropanoic Acid is a useful reagent for organic synthesis.

General Description

Phenylpyruvic acid reduces glucose-6-phosphate dehydrogenase activity without pre-incubation.