Gereinigter Terephthalsäure

Purified Terephthalic Acid Applications:PTA is mainly used in the production of polyester products, including polyethylene terphthalate (PET), follows reaction with glycol, reagent for alkali in wool and an additive to poultry feeds.Storage and handling:Multi ply paper bag with sealed plastic liner or heavy gauge plastic bag. Check that all containers are clearly labeled and free from leaks.PropertiesUnitQuantity / DescriptionMolecular weightg/mol166.13Melting point°Csublimes at 402°CVapor densityat 20°C (air = 1.0)5.74Vapor pressureat 20°C< 0.00013pH1% dilution2.16 SpecificationsUnitQuantityAcidityMg of KOH/gm675 ± 2Moisturewt %0.2 maxAshesppm7 max4 Carboxybenzaldehydeppm20 maxColorAPHA (in N-N-Dimethyl From Amide Solution), HU10 maxIronppm0.5 maxPara Toluic Acidppm120 maxTotal metals Fe, Mn, Co, Cr, Ni, Mo, Tippm2 maxΔ Y10 maxb-Color1.5 max Big-bags of 1000kg (20MT per 20ft container).Big-bags of 1100kg (22MT per 20ft container).