Description
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.
