High quality Maleic Acid,CAS No.:110-16-7 ISO,GMP certificate AJI/USP standard Good ... quality Maleic Acid (cis-butenedioic acid/toxilic acid),CAS No.:110-16-7Maleic acid is is an organic acid ... PIECE CRYSTALLIZATIONComfirm ASSAY(ASC4H4O4),% 99.0∼101.0 99.7 APPEARANCE OF SOLUTIONQUALIFIEDConfirmSTATE OF SOLUTIONCLARIFICATIONComfirmHEAVY METALS[Pb] mg/kg ... 2.00.33 High quality Maleic Acid,CAS No.:110-16-7