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98-48-6 benzene-1,3-disulphonic acid

product Name benzene-1,3-disulphonic acid
CAS No 98-48-6
Synonyms 1,3-Benzenedisulfonic acid; Benzene-M-Disulfonic Acid
Molecular Formula C6H6O6S2
Molecular Weight 238.23
InChI InChI=1/C6H6O6S2/c7-13(8,9)5-2-1-3-6(4-5)14(10,11)12/h1-4H,(H,7,8,9)(H,10,11,12)
EINECS 202-672-2
Molecular Structure 98-48-6 benzene-1,3-disulphonic acid

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Specifications 99% min
Packing 25kg 50kg drum or bag
Description What is the chemical of Benzene-M-Disulfonic Acid ? Appearance: White to gray-brown powder£» Assay:99%min by HPLC£» IR Identity: conform to standard£» HNMR£º conform to standard£» carbon spectrum: conform to standard£» Water by K. F.:0.5% max or as per the customer¡¯s request£» Loss on drying:0.5% max. or as per the customer¡¯s request£» =============================================================================== ?Benzene-M-Disulfonic Acid is used as a dye and pharmaceutical intermediate in chemical production for synthesizing other compounds, such as resorcinol. =============================================================================== Synthetic Route: Industrially, it is mainly prepared by the sulfonation method of benzene. The traditional method uses fuming sulfuric acid as the sulfonating agent, with specific steps including: dropping 20% fuming sulfuric acid into benzene while controlling the temperature ¡Ü45¡ãC; subsequently, adding 66% fuming sulfuric acid at 70¡ãC a...
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