Optical Brightener Ob-1 Green Powder

• CAS No.: 1533-45-5
• Formula: C28h18n2o2
• EINECS: 216-245-3
• Color: Green
• Kind: Optical Brightening Agent
• Appearance: Powder
• Model NO.: CAS NO. 1533-45-5
• Storing: Cool, Dry Places and Keep Away From Fire and Moist
• Transport Package: 25kg/Drum
• Specification: powder
• Trademark: DEBORN
• Origin: China

Product Description

Chemical Name:2.2'-(4.4'-diphenol vinyl) dibenzoxazol
CAS NO.: 1533-45-5
Molecular Formula:C28H18N2O2
Molecular Weight:414

Specification

Appearance	Yellowish green powder
Assay	98.5% min
Melting Point	357~361°C
Volatiles Content	0.5% max
Ash content	0.5% max

Applications  

1. Suitable for polyester fiber (PSF), nylon fiber and chemical fiber whitening.
2. Applicable to PP, PVC, ABS, PA, PS, PC, PBT, PET plastic whitening brightening, with excellent whitening effect.
3. Suitable for whitening agent concentrated masterbatch added (such as: LDPE color concentrate)

Recommended dosage: every 1000Kg polymer added amount of Optical brightener OB-1:

1. polyester fiber  75-300g.(75-300ppm)
2. Rigid PVC ,PP, ABS, Nylon, PC  20-50g.(20-50ppm).
3. Whitening concentrated masterbatch  5-7kg.(0.5-0.7%).

Package and Storage

1. 25kg drum
2. Stored in a cool and ventilated place