PBTC (2-Phosphonobutane-1, 2, 4-Tricarboxylic Acid

2-Phosphonobutane-1, 2, 4-Tricarboxylic Acid (Pbtca), PBTC CASNo.37971-36-1Dequest7000 MolecularFormula:C7H11O9PMolecularweight:270.13 StructuralFormula: Properties: PBTCAor PBTC haslowcontentofphosphoric, hasstructuralfeaturesofbothphosphoricacidandcarboxylicacidgroup, whichenableitsexcellentscaleandcorrosioninhibitionproperties. Itsantiscalepropertyunderhightemperatureisfarbetter thanthatoforganophosphines. Itcanimprovezincsaltsolubility, hasgoodchlorineoxidationtoleranceandgoodcompositesynergy. Specification: items index Appearance Colorlessorlightyellowtransparentliquid Activeacid% 50.0min Phosphorousacid(asPO33-)% 0.8max Phosphorousacid(asPO43-)% 0.5max Density(20)g/cm3 1.27min pH(1%solution) 1.5 2.0 Usage: PTBCAisahighefficientagentasscaleandcorrosioninhibitor. Itistheexcellentstabilizerforzincsalt. Itiswidelyusedincirculatingcoolwatersystemandoilfieldrefillwatersystem asscaleandcorrosioninhibitor, suitabletocompositewithzincsaltandcopolymer. Itcanbeusedinsituationsofhightemperature, highhardness,highalkaliandhighconcentrationindex.Inlavationfields, itisusedaschelatingagentandmetaldetergent. PBTCAisusuallyusedtogetherwithzincsalt,copolymer,organophosphine, imidazoleandotherWaterTreatmentChemicals. Whenusedalone,thedosageof5-15mg/Lispreferred. PackageandStorage: NormallyIn250kgnetPlasticDrum,IBCdrumcanalsobeusedasrequired. Storageforoneyearinroomshadyanddryplace. SafetyProtection: Acidity,Avoidcontactwitheyeandskin,oncecontacted,flushwithwater.