2-Hydroxy-4-n-octoxybenzophenone CAS NO.1843-05-6

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Chemical Name		2-Hydroxy-4-n-octoxybenzophenone
Formula		C₂₁H₂₆O₃
Structure
CAS NO.		1843-05-6
Molecular Weight		326.4
Specifications	Appreance	Yellowish crystalline powder or flake
	Purity	≥99%(HPLC)
	Melting Point	47-49 ^oC
	Ash	≤0.1%
	Loss On Drying	≤0.5%
	Transmittance	450 nm≥95% 500 nm≥97%
Advantage and Application		UV-531 is high performance UVA which can absorb 270-340nm ultra-violet light. It features light colors, non-toxicity, good compatibility, good process ability and low migration. This product is suitable for PE, PP, PS, AS resin, ABS resin, PC, PVC, polyvinylidene chloride, polyester and PA.
Recommended dosage		PE	PVC	PP	ABS
		0.2-0.4 %	0.25-0.5 %	0.5%	0.3-0.5%
Package		20/25KG cartons or drums

Chemical Name		2-Hydroxy-4-n-octoxybenzophenone
Formula		C₂₁H₂₆O₃
Structure
CAS NO.		1843-05-6
Molecular Weight		326.4
Specifications	Appreance	Yellowish crystalline powder or flake
	Purity	≥99%(HPLC)
	Melting Point	47-49 ^oC
	Ash	≤0.1%
	Loss On Drying	≤0.5%
	Transmittance	450 nm≥95% 500 nm≥97%
Advantage and Application		UV-531 is high performance UVA which can absorb 270-340nm ultra-violet light. It features light colors, non-toxicity, good compatibility, good process ability and low migration. This product is suitable for PE, PP, PS, AS resin, ABS resin, PC, PVC, polyvinylidene chloride, polyester and PA.
Recommended dosage		PE	PVC	PP	ABS
		0.2-0.4 %	0.25-0.5 %	0.5%	0.3-0.5%
Package		20/25KG cartons or drums