| Identification | More | [Name]
DICHLORODIPHENYLMETHANE | [CAS]
2051-90-3 | [Synonyms]
A,A-DICHLORODIPHENYLMETHANE
ALPHA,ALPHA-DICHLORODIPHENYLMETHANE
BENZOPHENONE DICHLORIDE
DDM
DICHLORODIPHENYLMETHANE
DIPHENYLDICHLOROMETHANE
TIMTEC-BB SBB007844
[Dichloro(phenyl)methyl]benzene
1,1’-(dichloromethylene)bis-benzen
1,1’-(Dichloromethylene)bisbenzene
Benzene,1,1’-(dichloromethylene)bis-
Dichloroditane
Diphenylmethylenechloride
DPM (Halocarbon)
Methane, dichlorodiphenyl-
p-Dichlorodiphenylmethane
1,1-Dichlorodiphenylmethane
ɑ,ɑ-Dichlorodiphenylmethane, 97%
Benzophenone chloride | [EINECS(EC#)]
218-134-5 | [Molecular Formula]
C13H10Cl2 | [MDL Number]
MFCD00000811 | [Molecular Weight]
237.12 | [MOL File]
2051-90-3.mol |
| Chemical Properties | Back Directory | [Appearance]
CLEAR LIGHT YELLOW LIQUID | [Melting point ]
190 °C (decomp) | [Boiling point ]
305 °C(lit.) | [density ]
1.235 g/mL at 25 °C(lit.)
| [refractive index ]
n20/D 1.605(lit.)
| [Fp ]
>230 °F
| [storage temp. ]
Store below +30°C. | [solubility ]
Benzene (Sparingly), Chloroform (Slightly) | [form ]
Liquid | [color ]
Clear light yellow | [Water Solubility ]
Soluble in water (reacts), ether, benzene, ethanol, and toluene. | [BRN ]
1910601 | [CAS DataBase Reference]
2051-90-3(CAS DataBase Reference) | [EPA Substance Registry System]
Benzene, 1,1'-(dichloromethylene)bis- (2051-90-3) |
| Safety Data | Back Directory | [Hazard Codes ]
C | [Risk Statements ]
R14:Reacts violently with water.
R34:Causes burns.
R37:Irritating to the respiratory system. | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) . | [RIDADR ]
UN 3265 8/PG 2
| [WGK Germany ]
3
| [F ]
9-21 | [TSCA ]
Yes | [HazardClass ]
8 | [PackingGroup ]
II | [HS Code ]
29036990 |
| Hazard Information | Back Directory | [Chemical Properties]
CLEAR LIGHT YELLOW LIQUID | [Uses]
α,α-Dichlorodiphenylmethane is a degradation product of of polychloroaromatic insecticides such as Dicofol (D436700) and DDT. It is also used as a catalyst for photodegradation of plastics. It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals. | [Uses]
α,α-Dichlorodiphenylmethane is a degradation product of of polychloroaromatic insecticides such as Dicofol (D436700) and DDT. α,α-Dichlorodiphenylmethane is also used as a catalyst for photodegradation of plastics. | [Preparation]
Dichlorodiphenylmethane is synthesized by the condensation of benzene with carbon tetrachloride (Friedel-Crafts reaction). Add aluminum trichloride and 2/3 amount of anhydrous carbon tetrachloride into the reaction tank, cool to 10-15°C, add 1/12 amount of benzene for reaction, continue to cool to 5-10°C, add the remaining mixture of carbon tetrachloride and benzene dropwise, add after, react at 10°C for 3h. | [Synthesis Reference(s)]
The Journal of Organic Chemistry, 12, p. 807, 1947 DOI: 10.1021/jo01170a012 |
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