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				| UVSOB A |  
				
				
				
				
				
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				| p-t-Butyl p-methoxydibenzoylmethane, Avobenzone |  
				
				
				
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				| 70356-09-1 |  
				
				
				
				
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				UVSOB A(avobenzone) is a white to pale yellow, slightly aromatic powder. It is an oil-soluble UVA(320~400nm) filter currently in popular use as an additive to sunscreen and cosmetic preparations. UVSOB A is also used in protective hair care formulation and serves as a photostabilizer in cosmetic products. Combined with L C United's UVSOB B, it provides broad-spectrum protection against both UVA and UVB radiation. |  
				
				
				
				
				
				
				
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				Molecular weight: 310.39 Appearance: An off-white to pale yellow powder Odor: Weakly aromatic Purity(HPLC): 98% min. Melting point: 81~86 |  
				
				
				
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