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787-69-9

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Identification

Name
4,4'-Diacetylbiphenyl
CAS
787-69-9
Synonyms
1-(4'-ACETYL[1,1'-BIPHENYL]-4-YL)ETHAN-1-ONE
1-(4'-ACETYL-BIPHENYL-4-YL)-ETHAONE
4',4''-BIACETOPHENONE
4,4'-DIACETYLBIPHENYL
BIS-ACETOPHENONE
1-(4'-Acetyl[1,1'-biphenyl]-4-yl)ethanone
4,4'-Diacetylbiphenyl,98%
4,4'-Diacetylbiphenyl 98%
4,4'-Biphenyldicarboxylic acid
4,4'-Diacetylbiphenyl ,99%
1,1'-(Biphenyl-4,4'-diyl)bis(ethanone)
4'-(4-Acetylphenyl)acetophenone
4,4'-Diacetyl-1,1'-biphenyl
EINECS(EC#)
625-368-5
Molecular Formula
C16H14O2
MDL Number
MFCD00017248
Molecular Weight
238.28
MOL File
787-69-9.mol

Chemical Properties

Appearance
White solid
Melting point 
193-195 °C(lit.)

mp 
193-195 °C(lit.)

Boiling point 
340.88°C (rough estimate)
density 
1.0981 (rough estimate)
refractive index 
1.6290 (estimate)
storage temp. 
Sealed in dry,Room Temperature
form 
Crystalline Powder
color 
Colorless to light tan
Usage
Intermediates of Liquid Crystals
Detection Methods
HPLC
InChIKey
YSTSBXDVNKYPTR-UHFFFAOYSA-N
CAS DataBase Reference
787-69-9(CAS DataBase Reference)
NIST Chemistry Reference
4,4'-Diacetyl biphenyl(787-69-9)

Safety Data

Hazard Codes 
N,Xi,Xn
Risk Statements 
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37/39:Wear suitable gloves and eye/face protection .
S36:Wear suitable protective clothing .
RIDADR 
UN 3077 9/PG 3

WGK Germany 
3

Hazard Note 
Irritant
HazardClass 
9
PackingGroup 
III
HS Code 
29173990

Raw materials And Preparation Products

Hazard Information

Chemical Properties
White solid
Uses
Intermediates of Liquid Crystals
Synthesis Reference(s)
Journal of the American Chemical Society, 93, p. 5908, 1971 DOI: 10.1021/ja00751a062
The Journal of Organic Chemistry, 51, p. 2627, 1986 DOI: 10.1021/jo00364a002
General Description
The keto oxime and glyoxime derivatives of 4,4′-diacetylbiphenyl were synthesized and characterized by NMR and Fourier transform infrared spectroscopy techniques.

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