2,2'-Benzidinedisulfonic Acid
https://www.porphyrin.net/shop/fm-3b-b0395-22-benzidinedisulfonic-acid-83884
https://www.porphyrin.net/web/image/product.template/83884/image_1920?unique=db22d45
2,2'-Benzidinedisulfonic Acid 25g : Sulfonated aromatic diamine for polymer synthesis, coatings, resins, and specialty materials.
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days
