2,3- -6- two hydroxy naphthalene sulfonate (R dihydroxy salt)

C.A.S No.：
Chemical structure：C10H7O5SNa
molecular weight：262.21
Chemical name：2,3-Two hydroxy naphthalene-6-Sulfonic acid sodium salt

appearance	White crystalline powder
Content	above 98%
Schaffer's salt	below 1.5%
Water insoluble matter	below 0.1%
packing	25 kg woven bag