<Tr> <Td> GHS precautionary statements </Td> <Td> P234, P260, P261, P264, P270, P271, P280, P301 + 312, P301 + 330 + 331, P302 + 352, P303 + 361 + 353, P304 + 340, P305 + 351 + 338, P310, P312, P321, P330, P332 + 313, P337 + 313, P362, P363, P390, P403 + 233, P404, P405 </Td> </Tr> <Tr> <Td> Flash point </Td> <Td>> 113 ° C </Td> </Tr> <Tr> <Th_colspan="2"> Related compounds </Th> </Tr> <Tr> <Td> Related sulfonic acids </Td> <Td> Sulfanilic acid p - Toluenesulfonic acid </Td> </Tr>

Reaction of benzene sulphonic acid with sodium bicarbonate