3-Chloro-4-methylphenylisocyanate
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3-Chloro-4-methylphenylisocyanate
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CAS No:
51488-20-1
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Formula:
ClC6H3(CH3)NCO
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Chemical Name:
3-Chloro-4-methylphenylisocyanate
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Synonyms:
2-chloro-4-isocyanato-1-methyl-benzen;2-chloro-4-isocyanato-1-methyl-Benzene;3-CHLORO-4-METHYL-PHENYLISOCYA NATE 97%;2-Chloro-5-isocyanatotoluene;4-Chloro-3-methylphenyl isocyanate;4-Chloro-3-methylphenyl isocya;4-Chloro-3-methylphenyl isocyanate 98%;2-Chloro-5-(isocyanato)toluene, 1-Chloro-4-isocyanato-2-methylbenzene
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CAS No:
Description
Chloromethyl phenyl isocyanate is a colorless to yellow liquid or beige, low-melting solid. Acrid odor.
3-Chloro-4-methylphenylisocyanate Use and Manufacturing
3-Chloro-4-methylaniline is obtained by phosgenation. Dissolve 3-chloro-4-methylaniline in toluene (or chlorobenzene) so that the concentration of 3-chloro-4-methylaniline in the solvent is 150-170g/L. Below 0°C, pour phosgene into the solution. The amount of phosgene is about 2.5 times (molar ratio) of amine. Then slowly increase the temperature to 70-80°C and react for 1-2h. Then continue to heat up to 100-105°C for purging to obtain a 3-chloro-4-toluene isocyanate solution.
Pesticide intermediates.
3-Chloro-4-methylphenylisocyanate
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