Name: OTD, OTDA, Ortho Toluenediamine 3,4-Toluenediamine: CAS:496-72-0 60% ... CAS:2687-25-4 40% 1. Chemical Name: OTD, OTDA, Ortho Toluenediamine2. UN NO.: 30773. Normalized Isomer ration: 3,4-Toluenediamine ... have better compatibility with cyclopentane.It can substitute for o-phenylenediamine,and can be used many other fields such ... 9. Packing: 200 kgs/drum, as customer's required Ortho Toluenediamine