Optical Brightening Agent Oba Er-Ii |
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| Optical Brightening Agent Oba Er-Ii |  | Optical Brightening Agent OBA ER-II
Synonyms:Fluorescent Whitening Agent 199 (FBA 199:1) Optical Brightening Agent 199:1 (OBA 199:1)Low Temperature White-R PowderLow Temperature Optical brightener for polyester
- CAS Number:13001-38-2
- Name:Benzonitrile, 2-(2-(4-(2-(4-cyanophenyl)ethenyl)phenyl)ethenyl)-
- Molecular Structure:
- Synonyms:Benzonitrile,2,4'-(p-phenylenedivinylene)di- (7CI,8CI);
- Molecular Formula:C24H16N2
- Molecular Weight:332.40
- EINECS:235-834-6
- Density:1.18 g/cm3
- Melting Point:181-186°C
- Boiling Point:575.7 °C at 760 mmHg
- Flash Point:275.3 °C
- Solubility:Insoluble in water
- Appearance:Greenish yellow crystalline powder
Details: - Appearance: light yellow-green dispersion liquid
- Non-ionic
- Insoluble in water and soluble in many organic solvents
- Stable when used with cationic softeners
- May be used in a bath with hypochlorite, hydrogen peroxide and reactive bleaching agents
- When dip dyed or pad dyed it produces a higher whiteness in polyester fibers
- Light fastness grade: 5
- Excellent fastness when washed
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