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3-(4-Hydroxyphenyl)propionic acid

Basic information Safety Supplier Related

3-(4-Hydroxyphenyl)propionic acid Basic information

Product Name:
3-(4-Hydroxyphenyl)propionic acid
Synonyms:
  • PHLORETINIC ACID
  • PHLORETIC ACID
  • 3-(para-Hydroxyphenyl)-propionic acid
  • 4-hydroxybenzenepropanoic
  • 4-Hydroxybenzenepropanoic acid
  • 4-hydroxy-benzenepropanoicaci
  • 4-hydroxybenzenepropanoicacid
  • 4-hydroxyphenylpropionicacid
CAS:
501-97-3
MF:
C9H10O3
MW:
166.17
EINECS:
207-931-3
Product Categories:
  • Aromatics
  • Organic acids
  • Aromatic Propionic Acids
  • Inhibitors
Mol File:
501-97-3.mol
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3-(4-Hydroxyphenyl)propionic acid Chemical Properties

Melting point:
129-131 °C(lit.)
Boiling point:
254.38°C (rough estimate)
Density 
1.1708 (rough estimate)
refractive index 
1.5286 (estimate)
storage temp. 
2-8°C
pka
4.74±0.10(Predicted)
form 
Powder or Granules
color 
Off-white to beige
Water Solubility 
slightly soluble
BRN 
2209841
InChIKey
NMHMNPHRMNGLLB-UHFFFAOYSA-N
CAS DataBase Reference
501-97-3(CAS DataBase Reference)
NIST Chemistry Reference
4-Hydroxyphenylpropionic acid(501-97-3)
EPA Substance Registry System
Benzenepropanoic acid, 4-hydroxy- (501-97-3)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
WGK Germany 
3
RTECS 
MW5342000
Hazard Note 
Irritant
HS Code 
29182990
Toxicity
LD50 intravenous in mouse: 1809mg/kg

MSDS

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3-(4-Hydroxyphenyl)propionic acid Usage And Synthesis

Chemical Properties

Pale-Yellow Crystals

Uses

3-(4-Hydroxyphenyl)propionic acid is uses as pharmaceutical intermediates,it is also used as a sensitive fluorogenic substrate for oxidases such as horseradish peroxidase.

Uses

Sensitive fluorogenic substrate for oxidases such as horseradish peroxidase

Uses

Antioxidant

Definition

ChEBI: A hydroxy monocarboxylic acid consisting of propionic acid having a 4-hydroxyphenyl group at the 3-position.

Purification Methods

3-p-Hydroxyphenylpropionic acid (phloretic acid) [501-97-3] M 166.2, m 129-130o, 131 -1 3 3o, pKEst(1)~4.7, pKEst(2)~10.1. Crystallise phloretic acid from ether or H2O. [Beilstein 10 IV 631.]

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