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Product Details
Optical Brightener OB
| Unit Price: | Negotiable |
|---|---|
| Shipment Terms: | Negotiable |
| Payment Terms: | Negotiable |
| Price Valid Time: | From Nov 14,2011 To Nov 14,2012 |
| Origin: | China |
Product Description
Name Optical Brightener OB
Synonyms 2, 5-Bis(5'-tert-butyl-2-benzoxazol-2-yl)thiophene; 2, 5-Di(5-tert-butylbenzoxazol-2-yl)thiophene; BBOT
Molecular Formula C26H26N2O2S
Molecular Weight 430.56
CAS Registry Number 7128-64-5
EINECS 230-426-4
Spec:
Appearance, Slight Greenish Yellow Powder
Volatility 0.5%max.
Turbidity 5.0 %max.
Solubility clear
Assay (by HPLC) 98.5%min.
Melting Point 200-202º C
Ash Content 0.5%max.
Granularity (mesh) 200meshes min.
Transmittance 98T%min.
