introduction：
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product instruction:
structural formula：
molecular formula： c7hcl2f3n2o4
molecular weight： 305
cas no.:29091-09-6
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specification:
appearances: yellowish acicular crystal, toxic。
melting point： 75～77℃
content： ≥ 99%
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package： 250kg/drum
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application: intermediate of pesticide，medicine and dyes