Chen Zhong-xiu
2009
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Dyestuffs and coloration
Abstract
3-Nitrobenzenesulfonyl chloride was an important reactive dyes intermediate which was produced from nitrobenzene by chlorosulfonation reaction.A novel green synthesis method of 3-nitrobenzenesulfonyl chloride was developed.The amount of acidic waste gas and waste water was reduced by 40%.Using the catalyst and sulfonation agent produced by ourselves,the product yield was 89.80% with the molar ratio of nitrobenzene,chlorosulfonic acid and sulfonating agent at 1.0∶3.4∶0.30.