... producer of in china for :ammonium hydrogen difluoride,ABF 98%,NH4HF2,CAS No.:1341-49-7Σammonium bifluoride,ΣABF 98%,inorganic ... Formula:NH4F·HF,NH5F2,NH4HF2Molecular Weight:57.05Index NameIndexABCPurity as(NH4HF2),%≥98.0097.0095.00Dried Weightlessness,%≤1.603.005.00Ignition Residue ...