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Zhejiang Euchem Chemical Co.,Ltd.
Zhejiang Euchem Chemical Co.,Ltd.
23 YRS
Jiangsu, China
Main Products:
2-Aminophenol / Quinacridone / Pigment Yellow 138 / Optical Brightener OB-1 / 2-Amino-4-Tert-Butylphenol / 2-Amino-4-Methylphenol / 2,5-Thiophenedicarboxylic Acid / Potassium Dihydrogen Phosphate / 4.4'-Diphenylethylene-Bicardoxylic Acid / 1,4-Naphthalenedicarboxylic Acid / 2-Methoxy-5-Methylaniline / 4-Tert-Butyl-2-Nitrophenol / 4-Methyl-2-Nitrophenol
Jiangsu, China
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2-Aminophenol
Pigment Violet 19 β
Pigment Violet 19 γ
Pigment Yellow 138
Optical Brightener OB-1
O-Amino-P-(Tert) Butyl Phenol
O-Amino-P-Methylphenol
Thiophene-2.5-Dicarboxylic Acid
Potassium Dihydrogen Phosphate
4.4'-Diphenylethylene-Bicardoxylic Acid
1,4-Naphthalenedicarboxylic Acid
Para-Cresidine
O-Nitro-P-(Tert)Butyl Phenol
O-Nitro-P-Methylphenol
Optical Brightener OB-1 / CAS 1533-45-5
OVERVIEW
Packaging
25 KG/Fibre Drum
Lead Time
14-30 days
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DESCRIPTION
Optical Brightening Agent OB-1
Product Cate | Optical Brightening Agent For Plastic |
Product Name | Optical Brightening Agent OB-1 |
Chemical Name | 2.2’-(4.4’-diphenol vinyl) dibenzoxazol |
CAS No. | 1533-45-5 |
C.I. No. | 393 |
Structural Formula |
|
Molecular Formula | C28H18N2O2 |
Molecular Weight | 414 |
Technical Index | Appearance:yellowish green powder Melting Point:357~359°C Purity:≥99% |
Uses | Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization. |
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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