Factory Promotional No Blueing Oil Products White Fluorescent Brightener Agent Ob-2 7128-64-5 184 Customized
“Quality initial, Honesty as base, Sincere support and mutual profit” is our idea, so as to build repeatedly and pursue the excellence for Factory Promotional No Blueing Oil Products White Fluorescent Brightener Agent Ob-2 7128-64-5 184 Customized, Any calls for from you’ll be paid with our best interest!
“Quality initial, Honesty as base, Sincere support and mutual profit” is our idea, so as to build repeatedly and pursue the excellence for Optical Brightener Ob-I and Optical Brightener 127, We warmly welcome you to come to visit us personally. We hope to establish a long-term friendship based on equality and mutual benefit. If you want to get in touch with us, please do not hesitate to call. We’ll be your best choice.
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene is yellow-green powder. The melting point is 200 ~ 201℃, and the decomposition temperature is greater than 220℃. Insoluble in water, soluble in alkanes, fats, mineral oils, waxes and common organic solvents.
| Product Name | Optical brightener OB (C.I. 184 / C.I.28 ) | |
| MF | C26H26N2O2S | |
| EINECS No | 230-426-4 | |
| CAS No | 7128-64-5, | |
| Chemical Name | 2,5-bis(5-tert-butyl benzoxazoly-2’-)thiophene | |
| Appearance | Light green powder | |
| Purity | ≥98% | |
| Melting point | 198~202 °C | |
| Volatile: | <0.5% | |
| Package | 20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers’ requirements. | |
| Applications:
It is widely used in thermoplastic such as PVC, PE, PP, ABS, PS, and unsaturated resin and paint, ink and oil soluble coatings. |
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| Properties:
The product is light green or green powder, non-toxic and tasteless, can dissolve in alkane, fat, mineral oil, paraffin and most organic solvents, the absorption spectra of the largest value for 375 mm (in ethanol). |
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| Dosage:
PVC whitening: 0.01~0.05%; Polystyrene :0001~0.001%; Polyolefin matrix: 0.0005~0.001% |
to improve the light intensity: 0.0001~0.001% ABS:0.01~0.05%; White matrix: 0.005~0.05% |
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Optical Brighter OB used for brightening polyvinyl chloride, polystyrene, ABS resin, polyolefin and polyester, also used for acetate fiber, polymethyl methacrylate, foam leather whitening. Also used in varnishes, paints, UV-curable coatings, printing inks, fats, oils, packaging materials. It can be used as anti-counterfeiting mark in printing ink. In photography, it can be used to improve the whiteness of the non-image area of the photo, which can be converted into fluorescence when the photo is irradiated by ultraviolet light. Produce brightening effect.
25kg/bag
“Quality initial, Honesty as base, Sincere support and mutual profit” is our idea, so as to build repeatedly and pursue the excellence for Factory Promotional No Blueing Oil Products White Fluorescent Brightener Agent Ob-2 7128-64-5 184 Customized, Any calls for from you’ll be paid with our best interest!
Factory Promotional Optical Brightener Ob-I and Optical Brightener 127, We warmly welcome you to come to visit us personally. We hope to establish a long-term friendship based on equality and mutual benefit. If you want to get in touch with us, please do not hesitate to call. We’ll be your best choice.
