Optical Brightener OB-1

Decription: Optical Brightener OB-1   Product Name: Optical brightener OB-1(C.I. 393) CAS No: 1533-45-5 EINECS No.:216-245-3 Other Name:2, 2'-(1, 2-Ethenediyldi-4, 1-phenylene)bisbenzox...

Seller: Leal Chemical  China