... is widely used in the fields of petrochemicals Code of Dangerous Goods.: 33627 UN No.: 2265 Class of Dangerous Goods.: Class 3.3, inflammable ... chemical raw material, which is widely used in the fields of petrochemicals, pesticides, pharmaceuticals, dyes, leather, painting, organic synthesis, etc. Item ... . 25 :1.4275-1.4290 Conductivity ( 25º C, 20% solution ) μs/cm ≤10 DMF