4,4'-Dichlorobenzophenone
- Product Name
- 4,4'-Dichlorobenzophenone
- CAS No.
- 90-98-2
- Chemical Name
- 4,4'-Dichlorobenzophenone
- Synonyms
- 4'-DBP;usafdo-4;4,4'-DBP;4,4'-DCBP;USAF do-4;AKOS 94189;4,4'-DichL;DCBP Standard;4.4'-Dichlorob;4,4'-Dichlorobenzoph
- CBNumber
- CB2120403
- Molecular Formula
- C13H8Cl2O
- Formula Weight
- 251.11
- MOL File
- 90-98-2.mol
4,4'-Dichlorobenzophenone Property
- 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.
- Sealed in dry,Room Temperature
- solubility
- Soluble in hot acetone.
- form
- powder to crystal
- color
- White to Light yellow
- 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
- 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
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405Store locked up.
N-Bromosuccinimide Price
- Product number
- 113700
- Product name
- 4,4′-Dichlorobenzophenone
- Purity
- 99%
- Packaging
- 25g
- Price
- $31.02
- Updated
- 2024/03/01
- Product number
- D1621
- Product name
- 4,4'-Dichlorobenzophenone
- Purity
- >99.0%(GC)
- Packaging
- 25g
- Price
- $47
- Updated
- 2024/03/01
- Product number
- D1621
- Product name
- 4,4'-Dichlorobenzophenone
- Purity
- >99.0%(GC)
- Packaging
- 100g
- Price
- $140
- Updated
- 2024/03/01
- Product number
- A12608
- Product name
- 4,4'-Dichlorobenzophenone, 99%
- Packaging
- 25g
- Price
- $25.65
- Updated
- 2024/03/01
- Product number
- A12608
- Product name
- 4,4'-Dichlorobenzophenone, 99%
- Packaging
- 100g
- Price
- $71.65
- Updated
- 2024/03/01
4,4'-Dichlorobenzophenone Chemical Properties,Usage,Production
Chemical Properties
faintly yellow crystalline powder
Uses
4,4'-Dichlorobenzophenone is used as pharmaceutical intermediates. It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and dyestuffs. Bisaminonitrile was polymerized with 4,4'-dichlorobenzophenone using NaH as base.
Application
4,4'-Dichlorobenzophenone can be used to synthesize polyether-polyketones, as well as reduce polymer costs. Furthermore, it is a metabolic product resulting from the degredation of DDT.
Preparation
4,4'-Dichlorobenzophenone is prepared by the acylation of chlorobenzene with 4-chlorobenzoyl chloride. The conversion is typically conducted in the presence of an aluminium chloride catalyst in a petroleum ether solvent.
ClC6H5C(O)Cl + C6H5Cl → (ClC6H4)2CO + HCl
Definition
ChEBI: 4-4-Dichlorobenzophenone is a member of benzophenones.
Synthesis Reference(s)
The Journal of Organic Chemistry, 54, p. 1201, 1989 DOI: 10.1021/jo00266a039
Tetrahedron Letters, 36, p. 8411, 1995 DOI: 10.1016/0040-4039(95)01802-O
General Description
4,4′-Dichlorobenzophenone (DBP) is a metabolite obtained when one strain of ectomycorrhizal fungi, Xerocomus chrysenteron, degrades 1,1,1-trichloro-2,2-bis(4-chlorophe-nyl) ethane (DDT).
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
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View Lastest Price from 4,4'-Dichlorobenzophenone manufacturers
- Product
- 4,4'-Dichlorobenzophenone 90-98-2
- Price
- US $10.00/kg
- Min. Order
- 1kg
- Purity
- 99.8%
- Supply Ability
- 10000ton
- Release date
- 2024-04-23
- Product
- 4,4′-Dichlorobenzophenone 90-98-2
- Price
- US $0.00-0.00/Kg
- Min. Order
- 1Kg
- Purity
- 99.9%
- Supply Ability
- 200tons
- Release date
- 2024-04-08
- Product
- 4,4'-Dichlorobenzophenone 90-98-2
- Price
- US $40.00-25.00/kg
- Min. Order
- 1kg
- Purity
- 99.50%
- Supply Ability
- 30tons
- Release date
- 2023-03-16