Specifications:
1) 4,4'-bis(2-disulfonic acid styryl) biphenyl
2) Index number: C.I.351
3) CAS number: 54351-85-8
4) Molecular formula: C28H20O6S2Na2
5) Appearance: light yellow or milk white power
6) Insoluble matter: ≤ 0.5%
7) Solubility in water:
a) 25oC 25g/L
b) 70oC 100g/L
c) 95oC 300g/L
8) Max. ultra-violet range: 348 - 350nm
9) Fluorescent tone: slight greenish-blue
10) Properties: resistant to chlorine and oxygen-bleaching, very good
whitening effect even under strong acidic or alkalic conditions

Inner packing:
Double PE bags