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            | UV-320 | 
           
          
            
	
		
			| Category: | 
			benzotriazole | 
		 
		
			| CAS No.: | 
			3846-71-7 | 
		 
		
			| Chemical name: | 
			2H-Benzotriazol-2-yl-4,6-di-tert-butylphenol; 2-(2-Hydroxy-3,5-di-tert-butylphenyl)-2H-benzotriazole; Hydroxydibutylphenylbenzotriazole; 2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-2H-benzotriazole; 2-(2-Hydroxy-3,5-di tert-butylphenyl)benzotriazole; TINUVIN 320; ULTRAVIOLET ABSORBER UV-320; UV-320; 2-BENZOTRIAZOLE-2-YL-4,6-DI-TERT-BUTYLPHENOL; 2-(2'-HYDROXY-3',5'-DI-TERT-BUTYLPHENYL)BENZOTRIAZOLE; 2-(2-HYDROXY-3,5-DI-TERT-BUTYLPHENYL)BENZOTRIAZOLE; 2-(2H-BENZOTRIAZOL-2-YL)-4,6-DI-T-BUTYLPHENOL; Ultraviolet absorbent UV-320 | 
		 
		
			| Molecular formula: | 
			C20H25N3O | 
		 
		
			| Molecular weight: | 
			323.4 | 
		 
		
			| Structural formula: | 
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			| Technical index: | 
			
			
				
					
						| appearance | 
						white powder | 
					 
					
						| content(HPLC) | 
						99.0%min | 
					 
					
						| melting point | 
						152-156℃ | 
					 
					
						| volatile matter | 
						0.2%max | 
					 
					
						| ash content | 
						0.1%max | 
					 
					
						| light transmittance | 
						440nm | 
						97%min | 
					 
					
						| 500nm | 
						98%min | 
					 
				
			 
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			| Application: | 
			
			 OCTASORB UV-320 is high-efficient light stabilizer, widely used in plastic and other organics, including, unsaturated polyester, PVC, polyurethane, polyamide, synthetic fibre fields. 
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			| Packaging: | 
			20kg fiber can or according to customer requirement | 
		 
		
			| Storage: | 
			in seal, in dry and in dark | 
		 
	
 
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