1-Chloro-4-(1-methylethenyl)benzene
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1-Chloro-4-(1-methylethenyl)benzene
structure -
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CAS No:
1712-70-5
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Formula:
C9H9Cl
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Chemical Name:
1-Chloro-4-(1-methylethenyl)benzene
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Synonyms:
Benzene,1-chloro-4-(1-methylethenyl)-;Styrene,p-chloro-α-methyl-;1-Chloro-4-(1-methylethenyl)benzene;p-Chloro-α-methylstyrene;4-Chloro-α-methylstyrene;2-(p-Chlorophenyl)propene;2-(4-Chlorophenyl)propene;1-Chloro-4-isopropenylbenzene;p-Chloroisopropenylbenzene;α-Methyl-p-chlorostyrene;2-(4-Chlorophenyl)-1-propene;α-Methyl-4-chlorostyrene;4-Isopropenylphenyl chloride;1-Chloro-4-(prop-1-en-2-yl)benzene;4-Isopropenyl-1-chlorobenzene
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CAS No:
1-Chloro-4-(1-methylethenyl)benzene Basic Attributes
152.62
152.62
1855073
216-984-1
DTXSID40169024
29036990
Characteristics
0
3.78
1.0750 g/cm3 @ Temp: 20 °C
3.5ºC
89 °C
165 °F
n 20/D 1.555(lit.)
Soluble in water.
0-6°C
Safety Information
III
9
3082
3
23-24/25
P261, P264, P271, P273, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P391, P403+P233, P405, P501
H315
|Warning|H315 (80%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P273, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P391, P403+P233, P405, and P501|Aggregated GHS information provided by 5 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
1-Chloro-4-(1-methylethenyl)benzene Use and Manufacturing
It is obtained by addition, hydrolysis and elimination of p-dichlorobenzene. 1. Addition and hydrolysis Add magnesium chips and tetrahydrofuran into the reaction pot and stir and heat, and add initiator methyl iodide at 60°C. When the fierce reaction started, a mixture of p-dichlorobenzene and tetrahydrofuran was added and refluxed for 2h. Cool to 15°C, slowly add acetone, stir and let stand overnight. Then add ammonium chloride ice water and concentrated hydrochloric acid to hydrolyze below 20°C. The oil layer is washed with sulfuric acid, then washed with water to neutrality, dried with anhydrous calcium chloride, filtered to remove the desiccant, and distilled under reduced pressure to obtain p-chlorobenzene dimethyl methanol. 2. Elimination Put the crushed potassium hydrogen sulfate into a reaction pot with a fractionating column, heat it to 210-220°C, melt, and add p-chlorobenzene dimethyl methanol dropwise under reduced pressure. Collect the distillate at 120-140℃ (5.33-6.67kPa), re-steam it again, and collect the distillate at 80-90℃ (2.0kPa) to obtain the finished product.
Organic intermediates.
Computed Properties
Molecular Weight:152.62
XLogP3:4.4
Rotatable Bond Count:1
Exact Mass:152.0392780
Monoisotopic Mass:152.0392780
Heavy Atom Count:10
Complexity:121
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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InquiryCAS No.: 1712-70-5Grade: Industrial GradeContent: 99%
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1-Chloro-4-(1-methylethenyl)benzene
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