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Product Details:
Payment & Shipping Terms:
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| CAS NO: | 7128-64-5 | Purity: | 99% |
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| Chemical Name: | 2.5-bis(5-tertbutyl-2-benzoxazolyl)thiophene | M.P.: | 201℃~205℃ |
| Volatile Content: | ≤0.5% | Application: | Best Whitening For The Oil Ink |
| High Light: | oba optical brightening agents,optical brightening agent |
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Best whitening Optical Brightener Agent OB 184 for Ink CAS NO 7128-64-5
[Chemical name] 2,5'-Bis[2-(5-tert-butyl benzoxazolyl-2'-)thiophene
[Molecular weight] 430
[Structural formula]
[Formula] C26H26N2O2S
[Appearance] slight greenish yellow powder
[Structure] a compound of benzoxazole type
[Melting point] 200℃-202℃
[Solubility] hardly soluble in water,but soluble in paraffins,mineral oils and ordinary organic solvents.
[Specifications]
| ITEM | INDICES |
| APPEARANCE | Slight greenish yellow powder |
| PURITY(HPLC) | ≧99% |
| MELTING POINT | 200℃-202℃ |
| FINENESS | ≧100MESH |
[Applications]
OB can be used for whitening thermoplastic plastics,PVC, PS, PE, PP, ABS,Acetate fier, paint,coating , printing ink ,etc..It can be added at any stage in prodess for process for shitening the polymers and can give the finished products a bright bluish white glaze.
[Directions for use and dosage]
The dosage shoule be 0.01-0.05% on weight of plastic.Put whitening agent OB into plastic pellets,mix the mixture thoroughly and then carry out shaping.Fluorescent whitening agent OB is similar to Uvitex OB made in foreign country.
[Package]
Paper drum lined with plastics bags,net in 25kg or 10kg .
[Handling&safety]
OB can be handled in accordance with the usual rules for industral chemicals.Avoid dust formation and ignition sources. Stored indry and cool place.
Contact Person: Mr.Wang
Tel: +8618516375790
