Description ABVN is a white crystal powder azo structure initiator. Chemical structure CAS No. / 4419-11-8 MW / 248.37 Specifications Typical Property Unit Standard Appearance White crystals Assay % > 99 Melting point ℃ 40~70 pH % 6~7 Application It is popular used as initiator for polymerization of styrene, vinyl chloride, acrylonitrile, acrylates and methacrylates.Its dosage 70% less than AIBN. Packaging and storage 20Kg paper carton. Store at max 10℃, under cool temperature control condition. Keep the product in a dry well-ventilated environment. Shelf life: 6 months