... : white flake or white briquette.Stimulating odour and sour, flammable, sublimation, soluble in water generate a green pigment, c33h34n4o6, relative density ... container.2.Quality control,before shipment,free sample for test after shipment,keep sample for 3 years.3.Prompt shipment with professional ... -66396550 Fax: 86-371-86082812 Maleic Anhydride 99.5% briquette for unsaturated polyester resins