opticla brightener ob 184 is a yellow-green powder,be used in plastics, coating,ink,has excellent whitening effect,ob environmental protection effect is good, It has passed the FDA certification.
Product Name：Optical Brightening Agent OB/Fluorescent Brightener OB
Chemical Name：2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene
CAS No.：7128-64-5
C.I. No.：184
Molecular Formula：C26H26N2O2N2
Molecular Weight：430
Appearance:slight greenish yellow powder
Melting Point:200-202°C
Purity:≥99%
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Name: Hackett time:2022-03-07 15:02:44
I got my optical brightener ob! That is great.
I would order again when I run low.
Name: Laurent Y. time:2022-03-03 13:47:13
Love this optical brightener ob 184 powder factory! I had been looking for awhile before finding this one. Everything about it is perfect!
