Product: Optical Brightener OB-1 Chemical name: 2.5-bis (5-terbuty1-2-benzoxazolyl) thiophene CAS NO.: 7128-64-5 C.I.NO.:184
Optical Brightener OB-1
Chemical name: 2.5-bis (5-terbuty1-2-benzoxazolyl) thiophene
CAS NO.: 7128-64-5
C.I.NO.:184
Description:
OB is a fluorescent whitening agent of the thiophenediyl benzoxazole class. The product is useful in plastics, man-made fibers, printing inks and coatings, flexible PVC and polyethylene. Dosage: 0.01%~0.05%..
Specification:
Molecular Formula Assay a Molecular Weight Appearance Melting Point Volatiles Partical Size TGA b @ 335.9°C ( LC ) (Air @ 20°C/min. rate) | C26H26SO2N2 98% min. 430g/mole Slight Yellowish powder 200-202°C <0.15% <50 (mean micron) 90% Retention |
Application/Uses:
• Coatings
• Flexible PVC
• Man-made fibers
• Plastics
• Polyethylene
• Printing Inks
Key Attributes:
• Colors appear more brilliant
• Environmentally friendly
• Excellent brightening ability
• Produce a bluish tinge, masking yellowness
• Whiter-than-white appearance.
Packing : 25kgs fibre drum.
Quantity: Around 5.25mts/20’fcl without pallet.
Storage: Keep in cool and dry place, far away from high temperature and sunshine.
Hot selling OB-1 optical brightener
