Our company and products were certified by ISO9001 quality approval.Now we are the supplier to the world famouse companies,such as BASF chemical company,Rohm & Haas,JSR.We've never received any complaint about quality from clients. Properties Itaconic acid or methylene succinic acid MW: 130.1; MF: C5H6O4; Specification Appearance: White crystal or powder Purity: 99.8% min Melting point: 165-168 Loss on drying: 0.2% max Ignition residue: 0.01% max Color: 5 APHA max Iron(Fe): 1.5 ppm max Heavy metal: 5 ppm max Chloride: 5 ppm max Sulfate: 15ppm max Cu: 0.1 ppm max Mn: 0.1 ppm max Packing 1)25kg in paper-woven bag inner-lined with plastic bag. 2)Upon customer's request. (such as 1000kgs or 500kgs bag) 3)One 20'FCL can load 20 tons ITACONIC ACID Payment terms:T/T or L/C . Loading Port:Shanghai Port,China. Delivery time:within 3 days after receive the payment or L/C. Origin: China.