1.Supply Free samples 2.Good quality,price&service 3.ISO,SGS,MSDS,COA 4. ... 0107InChIInChI=1/Cmolecule structure Cmelting point 3550 °C(lit.)water-solubilityInsolublevapour pressure205000mmHg at 25°C --------------------------------------------------------------------------------------------2.Carbon black specification ... carbon black n115,n121,n234,n326,n539,n762 with competitive price,black carbon