Place of Origin : Jinan,China

Optical Brightening Agent OB

Key Words: optical brightening agent OB, optical brightener OB, fluorescent brightener OB, optical whitening agent OB, brightener OB

Typical Properties:

Chemical Name: 2,2-(2,5-Thiophenediyl) Bis[5-(1,1-dimethylethy)]
Benzoxazole
Molecular Formula: C27H27O2N2S
Molecular Weight: 443
CAS No.: 7128-64-5
C.I.: 184

Specifications:

Appearance: Yellowish or yellowish green crystal powder
Assay: 99% min.
Melting Point: 196-203
Ash: 0.3% max.
Vola