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Optical Brightener OB(C.I.184)

Product name: Optical Brightener OB
Synonyms: 2,5'-bis[2-(5-tert-buty l-2 benzoxazoly)thiophene; Fluorescent Brightener 184; 2,2’-(2,5-thiophenediyl)bis(5-(1,1-dimethylethyl)-benzoxazol

Appearance: Slight greenish yellow powder

CAS No.:7128-64-5
Structural No.:C.I.184
Molecular formula:C26H26N2O2S
Structural formula:

Molecular weight:430
Appearance:slight greenish yellow powder
Melting Point:200-202°C
Assay: 99% min
Applications:Optical Brightener OB is a fluorescent whitening agent of the thiophenediyl benzoxazole class.It`s highly effective in polymer substrates such as engineering plastics,PE,PC,PVC,PS,ABS and PP,adhesive and other organic substrates.
Package: Packed in 25kgs fiber drum with double PE liners, or according to customers' request.