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4,4'-Dichlorobenzophenone

4,4'-Dichlorobenzophenone
4,4'-Dichlorobenzophenone structure
CAS No.
90-98-2
Chemical Name:
4,4'-Dichlorobenzophenone
Synonyms
4'-DBP;usafdo-4;4,4'-DBP;USAF do-4;4,4'-DCBP;AKOS 94189;4.4'-Dichlorob;4,4'-Dichlorobenzoph;p-dichlorobenzophenone;dbp(degradationproduct)
CBNumber:
CB2120403
Molecular Formula:
C13H8Cl2O
Formula Weight:
251.11
MOL File:
90-98-2.mol

4,4'-Dichlorobenzophenone Properties

Melting point:
144-146 °C(lit.)
Boiling point:
353 °C(lit.)
Density 
1,45 g/cm3
refractive index 
1.5555 (estimate)
Flash point:
352-354°C
storage temp. 
0-6°C
solubility 
Soluble in hot acetone.
BRN 
643345
Stability:
Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference
90-98-2(CAS DataBase Reference)
NIST Chemistry Reference
p-Dichlorobenzophenone(90-98-2)
EPA Substance Registry System
Methanone, bis(4-chlorophenyl)-(90-98-2)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  22-24/25-36-26
WGK Germany  3
RTECS  DJ0525000
Hazard Note  Irritant
TSCA  Yes
HS Code  29147000
Symbol(GHS):
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

4,4'-Dichlorobenzophenone price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 113700 4,4′-Dichlorobenzophenone 99% 90-98-2 25g $28.6 2018-11-20 Buy
TCI Chemical D1621 4,4'-Dichlorobenzophenone >99.0%(GC) 90-98-2 25g $45 2018-11-22 Buy
TCI Chemical D1621 4,4'-Dichlorobenzophenone >99.0%(GC) 90-98-2 100g $144 2018-11-22 Buy
Alfa Aesar A12608 4,4'-Dichlorobenzophenone, 99% 90-98-2 100g $61.6 2018-11-15 Buy
Alfa Aesar A12608 4,4'-Dichlorobenzophenone, 99% 90-98-2 25g $20.5 2018-11-15 Buy

4,4'-Dichlorobenzophenone Chemical Properties,Uses,Production

Chemical Properties

faintly yellow crystalline powder

Purification Methods

Recrystallise it from EtOH [Wagner et al. J Am Chem Soc 108 7727 1986]. The semicarbazone has m 192-193o (from H2O). [Beilstein 7 H 420, 7 I 228, 7 II 359, 7 III 2076, 7 IV 1376.]

4,4'-Dichlorobenzophenone Preparation Products And Raw materials

Raw materials

Preparation Products


4,4'-Dichlorobenzophenone Suppliers

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4,4'-Dichlorobenzophenone Spectrum


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