4-tert-butyl Benzene sulfinic acid

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4-tert-butyl Benzene sulfinic acid
Posting date : Jun 04, 2010
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Place of Origin
China [CN]
HS-CODE
83-
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4-tert-butyl Benzene sulfinic acid English name:4-tert-butyl Benzene sulfinic acid Molecular formula:C10H13O2 Structural formula: Melting point:55℃-60℃ Molecular weight:197.17 Characters:white crystal Use:pharmaceutical and pesticide ITEM SPECTFICATION RESULTS Appearance White crystals White crystals Description Medical Grade Medical Grade Assay Min (Hplc) 97%-98% 98% 4-tert-butyl-benzenesulfonic acid akaacid acid ≤1.5%MAX 1.3% Loss on Drying ≤2.0%MAX 1.9% PH(1%H2Osolution) 6.5-7.5 7.1 Chloride ≤0.3% 0.2% Sulfate ≤0.1% 0.1% Phenothiol 0.0001 0.0001 Sulfite 0.0001 0.0001 Substance ≤2%MAX 1.8% 4,4-tert-butyl phenylsul phone ≤1.5%MAX 1.3%

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