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2-HYDROXY-5-METHYLBENZOPHENONE

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2-HYDROXY-5-METHYLBENZOPHENONE Basic information

Product Name:
2-HYDROXY-5-METHYLBENZOPHENONE
CAS:
1470-57-1
MF:
C14H12O2
MW:
212.24
EINECS:
216-002-1
Mol File:
1470-57-1.mol
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2-HYDROXY-5-METHYLBENZOPHENONE Chemical Properties

Melting point:
83-85 °C(lit.)
Boiling point:
312.08°C (rough estimate)
Density 
1.1035 (rough estimate)
refractive index 
1.6000 (estimate)
pka
8.24±0.43(Predicted)
CAS DataBase Reference
1470-57-1(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-37/39
WGK Germany 
3
Hazard Note 
Irritant
HS Code 
29145000

MSDS

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2-HYDROXY-5-METHYLBENZOPHENONE Usage And Synthesis

Chemical Properties

yellow crystalline powder

Preparation

Preparation by condensation of benzotrichloride with p-cresol,
? in the presence of aluminium chloride in carbon disulfide for 2 h (75%). The 6,12-diphenyl-2,8-dimethyl-6,12-epoxy-6H,12H-dibenzo[b,f] dioxocin, an intermediate compound, was also formed under these conditions (29%). This “dioxocin”, by hydrolysis with concentrated sulfuric acid at r.t., gave the expected ketone (91%);
? in the presence of aqueous sodium hydroxide in a water bath for 4 h (33%) or in 32–40% aqueous sodium hydroxide at 70–80° (67%).

Synthesis Reference(s)

The Journal of Organic Chemistry, 38, p. 1924, 1973 DOI: 10.1021/jo00950a030

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