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2,2-Diphenylacetic acid

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2,2-Diphenylacetic acid Basic information

Product Name:
2,2-Diphenylacetic acid
Synonyms:
  • MONOCARBOXYMETHANEDIPHENYL
  • RARECHEM AL BO 1083
  • A-PHENYLPHENYLACETIC ACID
  • CARBOXYMETHANEDIPHENYL
  • DIPHENYLACETIC ACID
  • DIPHENYLMETHANE-A-CARBOXYLIC ACID
  • DIPHENYLMETHANE-ALPHA-CARBOXYLIC ACID
  • DIPHENYLMETHANECARBOXYLIC ACID
CAS:
117-34-0
MF:
C14H12O2
MW:
212.24
EINECS:
204-185-0
Product Categories:
  • C13 to C42+
  • Pharmaceutical Intermediates
  • Aromatic Phenylacetic Acids and Derivatives
  • C13 to C42+Alphabetic
  • Carbonyl Compounds
  • Carboxylic Acids
  • D
  • DIO - DIZ
Mol File:
117-34-0.mol
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2,2-Diphenylacetic acid Chemical Properties

Melting point:
147-149 °C(lit.)
Boiling point:
195°C 25mm
Density 
1,257 g/cm3
refractive index 
1.6000 (estimate)
Flash point:
195°C/25mm
storage temp. 
Store below +30°C.
solubility 
0.13g/l
pka
3.94(at 25℃)
form 
Crystalline Powder
color 
White to creamy-white
PH
3.8 (H2O, 20℃)(saturated solution)
Water Solubility 
Slightly soluble in water(0.13g/L).
Merck 
14,3316
BRN 
1910978
InChIKey
PYHXGXCGESYPCW-UHFFFAOYSA-N
CAS DataBase Reference
117-34-0(CAS DataBase Reference)
NIST Chemistry Reference
Benzeneacetic acid, «alpha»-phenyl-(117-34-0)
EPA Substance Registry System
Benzeneacetic acid, .alpha.-phenyl- (117-34-0)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/38-36/37/38
Safety Statements 
24/25-36/37-26
WGK Germany 
2
RTECS 
AH2515000
TSCA 
Yes
HazardClass 
IRRITANT
HS Code 
29163900

MSDS

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2,2-Diphenylacetic acid Usage And Synthesis

Chemical Properties

white to creamy-white crystalline powder

Definition

ChEBI: A monocarboxylic acid that is acetic acid where the methyl hydrogens have been replaced by two phenyl groups respectively.

Synthesis Reference(s)

Journal of the American Chemical Society, 69, p. 2325, 1947 DOI: 10.1021/ja01202a023
Organic Syntheses, Coll. Vol. 1, p. 224, 1941
Synthetic Communications, 17, p. 1919, 1987

Purification Methods

Crystallise the acid from *benzene, H2O or aqueous 50% EtOH. [Beilstein 9 H 673, 9 IV 2492.]

2,2-Diphenylacetic acid Preparation Products And Raw materials

Raw materials

Preparation Products

2,2-Diphenylacetic acidSupplier

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