Fluorescent Brighter

Chemical Name: 4,4’-bis(2-disulfonic acid styryl) biphenyl

Molecular Formula: C28H20O6S2Na2
Molecular Weight: 562.6
CAS No.: 27344-41-8
C.I.: 351 


Appearance:                   Yellowish or yellowish green crystal powder

E (1% /cm):                    1105-1181

Indissoluble substance:          0.5%max

Solubility in water   :            25C 25g/l
70C 100g/l
95C 300g/l

max in ultra-violet range:          348-350nm

Ionic character:                  anion

maximum absorbance :           349

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