2,4,5-Trichlorobenzenesulfonyl chloride
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2,4,5-Trichlorobenzenesulfonyl chloride
structure -
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CAS No:
15945-07-0
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Formula:
C6H2Cl4O2S
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Chemical Name:
2,4,5-Trichlorobenzenesulfonyl chloride
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Synonyms:
Benzenesulfonyl chloride,2,4,5-trichloro-;2,4,5-Trichlorobenzenesulfonyl chloride;2,4,5-Trichlorophenylsulfonyl chloride;NSC 26958;2,4,5-Trichlorobenzene-1-sulfonyl chloride
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CAS No:
2,4,5-Trichlorobenzenesulfonyl chloride Basic Attributes
279.96
279.96
1112595
240-079-0
7GD5283XIX
26958
DTXSID1065974
29049095
Characteristics
42.5
4.65510
off-white crystalline solid
1.728 g/cm3
65-67 °C
138 °C @ Press: 0.5 Torr
162.4ºC
1.593
Store at RT.
0.000127mmHg at 25°C
Safety Information
II
8
3261
34-14
26-27-36/37/39-8-45
C
Corrosive/Moisture Sensitive
P280-P305 + P351 + P338-P310
H314
|Danger|H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]|P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, and P501|Aggregated GHS information provided by 43 companies from 3 notifications to the ECHA C&L Inventory.
2,4,5-Trichlorobenzenesulfonyl chloride Use and Manufacturing
2, 4, 5-Trichlorobenzenesulfonyl chloride is prepared from trichlorobenzene as raw material. Add metered chlorosulfonic acid into the dried chlorosulfonation kettle, stir at 30-50°C, and add metered trichlorobenzene dropwise. After the addition, the temperature is raised to 80～85℃ to react for 3h. After the reaction is completed, the temperature is lowered to about 40°C, and the reaction solution is slowly added dropwise to a water separator preliminarily added with a certain amount of cold water to precipitate sulfonyl chloride at 30-40°C. After filtering, washing and drying, the intermediate sulfonyl chloride is obtained, the content is ≥97%, and the yield is ≥80% (calculated as 1, 2, 4-trichlorobenzene). 2, 4, 5-Trichlorobenzenesulfonyl chloride industrial product is white porous crystal, insoluble in water, soluble in alcohol, benzene, chlorobenzene and other solvents.
2,4,5-Trichlorobenzenesulfonyl chloride is abbreviated as sulfonyl chloride, which is an important intermediate for the synthesis of acaricide triclosan.
Benzenesulfonyl chloride, 2,4,5-trichloro-: INACTIVE
Computed Properties
Molecular Weight:280.0
XLogP3:3.8
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:1
Exact Mass:279.850011
Monoisotopic Mass:277.852961
Topological Polar Surface Area:42.5
Heavy Atom Count:13
Complexity:273
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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2,4,5-Trichlorobenzenesulfonyl chloride
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