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HEBEI XINGYU CHEMICAL Co.,Ltd.
HEBEI XINGYU CHEMICAL Co.,Ltd.
20 YRS
Hebei, China
Main Products:
4,4'-Bis(Chloromethyl)-1,1'-Biphenyl / Optical Brightener OB-1
Hebei, China
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Optical Brightener OB-1 / CAS 1533-45-5
OVERVIEW
Packaging
| Pallets Packing | 20'FCL | 40'FCL | ||
| With | Without | With | Without | |
|
25 KG/Fibre Drum
98.5%
|
7.5 MT
|
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Lead Time
In Stock
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Less than 1KG required
DESCRIPTION
OVERVIEW
Optical Brightener OB-1
Appearance: bright yellowish green crystals powder
Purity: 98.5%Min
Melting point: 355～ 360℃
Solubility: insoluble in water, but soluble in high boiling point organic solvent such as phenyl-chloride
Packaging: 25KGS fiber drums within double PE bags.
Usage: A good whitening agent for polyester-cotton blend fabric or various kinds of plastics and their products under high temperature.
Typical Properties
Summary
Fluorescent brightener OB-1 is a new variety developed abroad. It is suitable for whitening and brightening of PE, PVC, ABS, PC and other plastics. It has low dosage, strong adaptability and good dispersion. It can be added during post-processing or polymerization. The whitened object has high whiteness, excellent heat and climate resistance. It can also be made into slurry for textile whitening.
CAS No.
1533-45-5
Formula
C28H18N2O2
Molecular Mass
414.45500
Exact Mass
414.13700
PSA
52.06000
Logp
7.47340
IUPAC
2-[4-[(E)-2-[4-(1,3-benzoxazol-2-yl)phenyl]ethenyl]phenyl]-1,3-benzoxazole
SMILES
C1=CC=C2C(=C1)N=C(O2)C3=CC=C(C=C3)C=CC4=CC=C(C=C4)C5=NC6=CC=CC=C6O5
Attribute classification
Matter Classification
organic
Category
Auxiliary > Fluorescent Brightener
Chemical and Physical Properties
Melting Point
>300 °C(lit.)
Density
1.39 g/cm3
Boiling Point
566.8 ºC
Flash Point
285.1 ºC
Appearance
Yellow crystal
Export information
HS Code
3204200000
Export Rebate
13%
Export Formalities
A
M
Risk Code
R36/37/38
Safety Label
Xi
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