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Home ProductsFluorescent Brightening Agent

Plastic 100 Mesh Optical Brightness Agent CAS 7128-64-5

Plastic 100 Mesh Optical Brightness Agent CAS 7128-64-5


Large Image :  Plastic 100 Mesh Optical Brightness Agent CAS 7128-64-5 Get Best Price

Product Details:
Place of Origin: China
Brand Name: Longpu
Certification: REACH,SGS,ISO9001
Model Number: OBA OB, FWA OB
Payment & Shipping Terms:
Minimum Order Quantity: 25KG
Price: Confirm the order date
Packaging Details: 25kg fiber drum
Delivery Time: Prompt
Payment Terms: T/T ,L/C
Supply Ability: Prompt
Detailed Product Description
Purity: 99% CAS NO: 7128-64-5
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:

100 Mesh Optical Brightness Agent




CAS 7128-64-5


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]

Plastic 100 Mesh Optical Brightness Agent CAS 7128-64-5 0

[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.


APPEARANCE Slight greenish yellow powder


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.


Paper drum lined with plastics bags,net in 25kg or 10kg .


OB can be handled in accordance with the usual rules for industral chemicals.Avoid dust formation and ignition sources. Stored indry and cool place.

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