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4-Hydroxyphenylacetic acid CAS 156-38-7

The precipitate from water is white needle shaped crystals. The relative molecular weight is 152.15. Melting point 149-151 ℃. Can be sublimated. Difficult to dissolve in cold water, soluble in hot water, ether, ethanol, and ethyl acetate. Hydroxyphenylacetic acid reacts with ferric chloride to form a purple green precipitate. Used as a pharmaceutical raw material for the preparation of cephalosporin antibiotics, antipyretic and analgesic drugs, etc; Pesticide raw materials used for the preparation of pyrethroid insecticides; Used as a fluorescent reagent for measuring oxidase; Intermediate in organic synthesis.
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  • 156-38-7

  • bosschemical

  • 156-38-7

4-Hydroxyphenylacetic acid Basic information
Description Referrence
Product Name: 4-Hydroxyphenylacetic acid
CAS: 156-38-7
MF: C8H8O3
MW: 152.15
EINECS: 205-851-3
Mol File: 156-38-7.mol
4-Hydroxyphenylacetic acid Chemical Properties
Melting point  148-151 °C(lit.)
Boiling point  234.6°C (rough estimate)
density  1.2143 (rough estimate)
vapor pressure  0.007Pa at 25℃
refractive index  1.4945 (estimate)
storage temp.  Inert atmosphere,Room Temperature
solubility  50g/l
pka 4.50±0.10(Predicted)
form  Crystalline Powder
color  White to cream or light tan
PH 2.0-2.4 (30g/l, H2O, 20℃)
Water Solubility  Soluble in dimethyl sulfoxide and methanol. Slightly soluble in water.
BRN  1448766
InChIKey XQXPVVBIMDBYFF-UHFFFAOYSA-N
LogP 0.75 at 25℃
CAS DataBase Reference 156-38-7(CAS DataBase Reference)
NIST Chemistry Reference Benzeneacetic acid, 4-hydroxy-(156-38-7)
EPA Substance Registry System Benzeneacetic acid, 4-hydroxy- (156-38-7)

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