2,2'-азобис (2,4-диметилвалеронитрил) (ABVN)

COMMODITY: 2,2-AZOBIS(2,4-DIMETHYLVALERONITRILE) (ABVN) (DUPONT CODE: VAZO 52)CAS NO.: 4419-11-8 MOLECULAR FORMULA: C14H24N4MOLECULAR WEIGHT: 248.37PROPERTY:WHITE CRYSTAL POWDER; INSOLUBLE IN WATERSOLUBLE IN ALCOHOL, AETHER AND ORGANIC SOLVENT; MELTING POINT 40 70; SELF-IGNITE POINT: 220; IT IS DECOMPOSED WHILE MEETING HOT AND RELEASE NITROGEN GAS, SOMETIMES PRODUCE FREE RADICAL CONTAINING HYDROGEN; BELONGING TO POISONOUS,INFLAMMABLE AND EXPLOSIVE MATERIAL; KEEP STORAGE BELOW 10; EXPIRY IN SIX MONTHS.SPECIFICATION: ASSAY (CONTENT) ≥ 98% WATER ≤0.5% INSOLUBLE(ACETONE) ≤ 0.02% IRON(FE) ≤0.002% HEAVY METALSAS PB ≤0.001% HYDRAZO COMPOUNDS ≤0.1% EMULSION SEPARATION TEST ≤30 MELTING POINT 40 70 VISIBLE CONTAMINATION ≤ 15 SPECKS/10g USAGE:IT IS WIDELY APPLIED TO THE POLYMERIZATION OF POLYVINYL CHLORIDE (PVC); IT CAN BE USED AS HIGHLY-EFFICIENT INITIATOR OF HIGH MOLECULAR SYNTHETIC MATERIAL SUCH AS POLYACRYLONITRILE,POLYVINYL ALCOHOL (PVA), PLEXIGLASS AND SO ON; IT CAN BE ALSO USED AS THE VESICANT OF RUBBER AND PLASTIC.PACKING: CARTON DRUM (20kg) CLASS PACKAGEREMARKS: HAZARD CLASS 4.1-INFLAMMABLE SOLID UN NO.: 3236