optical brightener OB
Add Product to FavoritesProduct Details:
| Place of Origin | Shandong, China (Mainland) |
|---|---|
| Brand Name | Subang |
| Model Number | OBA OB |
| CAS No. | 7128-64-5 |
| Purity | 99.9 |
| form | powder |
| color | greenish |
Payment & Shipping Terms:
| Minimum Order Quantity: | 100 Kilogram |
|---|---|
| Price: | FOB USD 23~24 |
| Port: | Qingdao |
| Packaging Details: | fiber drum with lining inside or kraft paper bag |
| Delivery Time: | in 5 days |
| Payment Terms: | L/C,T/T,Western Union,MoneyGram |
| Supply Ability: | 60 Ton per Month |
Detailed Product Description
Optical Brightener OB
OB is a high molecular weight optical brightener of the thiophenediyl benzoxazole class, suitable for the optical brightener of polymers at all stage of processing.
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.
Volatile Content: 0.3%max.
Particle size: 200 meshes
Max. Absorption Wavelength: 375nm(in ethanol)
Application:
It can be used to whiten PVC, polystyrene, polypropylene, PA, PMMA, PE,PP, Paint, coating, printing ink and so on.
Packing:
25kg / fiber drum with PE liner
optical brightener OB
