Phenylglyoxal is the organic compound with the formula C6H5C(O)C(O)H. It contains both an aldehyde and a ketone functional group. It is yellow liquid when anhydrous but readily forms a colorless crystalline hydrate. It has been used as a reagent to modify the amino acid, arginine.

CAS：1075-06-5
中文别名：2,2-二羟基-1-苯乙酮;2,2-二羟基苯乙酮;苯乙二醛一水;苯甲酰甲醛一水合物;
英文别名：Ethanone, 2,2-dihydroxy-1-phenyl-;phenylglyoxyl monohydrate;2,2-dihydroxy-1-phenyl-ethanon;2,2-dihydroxyacetophenone;2,2-DIHYDROXY-1-PHENYL-ETHANONE;PHENYLGLYOXAL;phenylglyoxal hemiacetal;2,2-dihydroxy-1-phenylethan-1-one;BENZOYLFORMALDEHYDE MONOHYDRATE;PHENYLGLYOXAL HYDRATE;2,2-dihydroxy-acetophenon;Phenylglyoxal Monohydrate;Benzoylformaldehyde Monohydrate;dihydroxy acetophenone;
分子式：C8H8O3
分子量：152.147
精确质量：152.047
Psa：43.37
Logp：1.0039

RTECS号：MD3260000
EINECS号：214-036-1
BRN号：1854721

密度：1.307 g/cm3
沸点：142°C125mm Hg(lit.)
熔点：76-79°C(lit.)
闪点：142°C/125mm
折射率：1.59
储存条件：2-8ºC
蒸汽压：0.00469mmHg at 25°C

RTECS号：MD3260000
安全说明：S22-S26-S36
危险类别码：R22
WGK Germany：3
海关编码：2914400090
危险品标志：Xn