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benzenesulfonic acid

[ben-zeen-suhl-fon-ik, ben-zeen-] /ˈbɛn zin sʌlˈfɒn ɪk, bɛnˈzin-/
noun, Chemistry
1.
a fine, needlelike substance, C 6 H 6 SO 3 , used chiefly as a catalyst and in the synthesis of phenol, resorcinol, and other organic products.
Origin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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