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Chemical Name: UV Absorber/ UV-P / 2-(2H-Benzotriazol-2-yl)-p-cresol
CAS No.:2440-22-4
Molecular Fomula: C13H11N3O
Molecular weight: 225.25
Appearance:white to light yellow crystal powder
Content: ≥ 99%
Category: Other
CAS 2440-22-4 (UV Absorber / UV-P) Quick Details
Chemical Name: UV Absorber/ UV-P / 2-(2H-Benzotriazol-2-yl)-p-cresol
CAS No.:2440-22-4
Molecular Fomula: C13H11N3O
Molecular weight: 225.25
Chemical Structure:
Appearance:white to light yellow crystal powder
Content: ≥ 99%
| Wave length nm | Light transmittance % |
| 440 | ≥ 97 |
| 500 | ≥ 98 |
Toxicity: low toxicity,rattus norvegicus oral LD50 >5g/Kg weight. Use: This product is suitable in polyester, epoxy cellulose acetate, Polyvinyl chloride, organic glass and others. Max absorption wave length range is 270-380nm . General dosage:thin products: 0.1-0.5% , thick products: 0.05-0.2% . Solubility: 25°C unit:g/100mLsolvent
| Solvent | Solubility | Solvent | Solubility |
| Acetone | 2.5 | Dioctyl phthalate | 2.5 |
| Alcohol | 0.3 | Di-n-octyl sebacate | 2.4 |
| Methyl alcohol | 0.2 | A Ethanol | 3.9 |
| 2-(2-Ethoxyethoxy)ethanol | 2.6 | Methyl methacrylate | 5.0 |
| Ethyl acetate | 3.5 | Styrene | 7.2 |
| n-Butyl acetate | 3.0 | Tricresyl phosphate | 3.3 |
| Benzene | 6.9 | Solvent gas | 0.9 |
| Toluene | 6.0 | Petroleum solvent | 1.5 |
| Cyclohexane | 0.7 | Water | 0 |
CAS 2440-22-4 (UV Absorber / UV-P) Typical Properties
| Item | Standard | |
| Appearance | Light yellow crystals | |
| Melting point℃ | 128.0~132.0 | |
| Ash%≦ | 0.1 | |
| Loss on drying%≦ | 0.5 | |
| HPLC %≧ | 99.0 | |
| Transmittance %≧ | 440nm | 97.0 |
| 500nm | 98.0 |
CAS 2440-22-4 (UV Absorber / UV-P) Usage
UV Absorber / UV-P is used as a UV absorber for plastics, fibers and coatings such as polyester, polystyrene, acrylic, and polyvinyl chloride.
CAS 2440-22-4 (UV Absorber / UV-P) Packaging and Shipping
Packing: 25kg/carton
Delivery:delivery within 3-5working days
CAS 2440-22-4 (UV Absorber / UV-P) Storage
Avoiding light and drying.
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