|Place of Origin:||CHINA|
|Minimum Order Quantity:||Negotiation|
|Supply Ability:||1000 tons / month|
|Classification:||Chemical Auxiliary Agent||Molecular Formula:||C13H11N3O|
|Purity:||99% Min||CAS NO:||2440-22-4|
|Type:||Ultraviolet Absorber||Appearance:||Light Yellow Crystalline Powder|
|Other Names:||2,4-Dihydroxybenzophenone||Application:||UV Absorber|
ultraviolet light absorber
English name: 2-(2H-Benzotriazol-2-yl)-p-cresol
English synonym: (2'-Hydroxy-5mg-methylphenyl) benzotriazole; 2-(2'-hydroxy-5-methyl; 2-(2H-1,2,3-Benzotriazol-2-yl)-4-methylphenol;2 2-(2-h-benzotriazol-2-yl)-p-creso; 2-(2-hydroxy-5-methyl-phenyl)-2H-benzotriazole ;2-(2-Hydroxy-5-methylphenyl)-2H-benzotriazole;2-Benzotriazolyl-4-methylphenol
CAS No.: 2440-22-4
Molecular formula: C13H11N3O
Molecular weight: 225.25
EINECS number: 219-470-5
Related Categories: Additives for Plastic; CC Bond Formation; Others; Synthetic Reagents; Benzene Heterocycle; Light Stabilizer; CC Bond Formation; Synthetic Reagents; UV Absorbers; Uv absorber; Organic Chemicals; Pigment Intermediates; UV Absorbers; Reagents and supplements; compounds; chemical intermediates
Melting point 125.5-129.5 °C (lit.)
Boiling point bp10 225°
Refractive index 1.5600 (estimate)
Flash point 54°C
CAS Database 2440-22-4 (CAS DataBase Reference)
NIST Chemical Information Phenol, 2-(2H-benzotriazol-2-yl)-4-methyl-(2440-22-4)
EPA Chemical Information Phenol, 2-(2H-benzotriazol-2-yl)-4-methyl-(2440-22-4)
|Name||Ultraviolet Absorbent UV-P|
|Synonyms||2-(2-Benzotriazolyl)-4-methylphenol; 2-(2-Hydroxy-5-methylphenyl)benzotriazole; 2-(2-Hydroxy-5-methyl-phenyl)benzotriazole; 2-(2H-Benzotriazol-2-yl)-p-cresol; Drometrizole; UV Absorber-1; Benazol P|
|Appearance||Light Yellow Crystalline Powder|
As a UV absorber, this product is mainly suitable for polyester, epoxy cellulose acetate, polyvinyl chloride, polystyrene, plexiglass, polyacrylonitrile resin and so on. The maximum absorption wavelength range is 270-380nm. General dosage: 0.1-0.5% for thin products and 0.05-0.2% for thick products.
Preparation or source:
(1) Extracted from coal tar.
(2) phenol and ethylene are used as raw materials, and phosphoric acid is used as a catalyst to obtain a reaction at 200 ° C and 4.0 to 4.5 MPa
Used as a UV absorber for plastics, fibers and coatings such as polyester, polystyrene, acrylic, and polyvinyl chloride.
|Tel||0086 134 35409275|
|Fax||0086 757 84888673|
1. Are you a factory or tarding company?
Our company concentrates on on the production, sales and service for plastic and coating additives, fine chemicals and intermediates.
2. Where dose your company locate?
We locate in Heze, Shandong province of China, also have sales rep. in Foshan
3. Can you provide samples for quality checking before placing an order?
Samples are avaliable upon request, but the shipping cost should be paid by customer.
4. How to get the price list?
Please inqire us by alibaba/email.
5. What's your payment term?
100% TT Before Shipment