主页/催化剂及化学制剂/其他/uv absorber / uv-p / 2-(2h-benzotriazol-2-yl)-p-cresol cas 2440-22-4

uv absorber / uv-p / 2-(2h-benzotriazol-2-yl)-p-cresol cas 2440-22-4

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%

分类:

描述

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:image.png

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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