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1. Optical Brightener OB-1

Chemical name: 2,2-(4,-4`-Vinyl Biphenyl)Dual Benzoxazole
CAS No.:1533-45-5
Structural No.: C.I.393
Molecular formula: C28H18N2O2
Molecular weight: 414.4
Appearance: Yellowish green granule
Melting point:353-359 degree centigrade.
Purity:99% ...

2. Optical Brightener OB

Chemical name: 2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene
CAS No.:7128-64-5
Structural No.: C.I.184
Molecular formula: C26H26SO2N2
Molecular weight: 430
Appearance:slight greenish yellow powder
Melting Point:200-202 degree centigrade
P ...

3. Optical Brightener KCB

Chemical name: 1,4-Bis(2-benzoxazoly)naphthalene
CAS No.: 5089-22-5
Structural No.: C.I.367
Molecular formula: C24H14N2O2
Molecular weight: 362
Appearance:green yellow crystal powder
Melting Point:210-212 degree centigrade
Purity:98.5% ...

4. Optical Brightener CBS-X

Chemical name: 4.4-bis(2-disulfonic acid styryl) biphenyl
CAS No.: 27344-41-8
Structural No: C.I.351
Molecular formula: C28H20S2O6Na2
Molecular weight: 562.6
Appearance: green yellowish crystal powder
1% Extinction index: 1105-1181
Application ...

5. Triclosan

Chemical name: 2,4,4'trichloro 2'-hydroxy diphenyaxide
Molecular formula:C12H7Cl302
Molecular weight: 289.5
CAS No.:3380-34-5
Quality Standards: Produced as per USP29
Appearance: White crystalline powder
Assay: 99% min
Melting points ...