2-(2’-hydroxy-5’-methyl phenyl) benzotriazole CAS NO.2440-22-4

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Chemical Name		2-(2’-hydroxy-5’-methyl phenyl) benzotriazole
Formula		C₁₃H₁₁N₃O
Structure
CAS NO.		2440-22-4
Molecular Weight		225.3
Specifications	Appreance	White to yellowish crystalline powder
	Purity	≥99%(HPLC)
	Melting Point	128-133 ^oC
	Ash	≤0.1%
	Loss On Drying	≤0.5%
	Transmittance	440 nm≥95% 500 nm≥97%
Advantage and Application		This product is a high efficient UV absorber, which can effectively absorb 270-380 nm UV light. Odorless, good thermo stability under high temperature. Non-flammable, non-explosive, non-toxic, harmless to health. This product almost does not absorb visible light, particularly applicable to colorless and light-colored products. Mainly applied to PVC, PS, PC, PMMA, AS resin, ABS resin, PP, PE, etc.
Recommended dosage		PVC	PP	PC	PS	ABS resin
		0.2-0.5 %	0.15-0.3%	0.15-0.3%	0.2-0.5%	0.3-0.5%
Package		25KG cartons or drums

Chemical Name		2-(2’-hydroxy-5’-methyl phenyl) benzotriazole
Formula		C₁₃H₁₁N₃O
Structure
CAS NO.		2440-22-4
Molecular Weight		225.3
Specifications	Appreance	White to yellowish crystalline powder
	Purity	≥99%(HPLC)
	Melting Point	128-133 ^oC
	Ash	≤0.1%
	Loss On Drying	≤0.5%
	Transmittance	440 nm≥95% 500 nm≥97%
Advantage and Application		This product is a high efficient UV absorber, which can effectively absorb 270-380 nm UV light. Odorless, good thermo stability under high temperature. Non-flammable, non-explosive, non-toxic, harmless to health. This product almost does not absorb visible light, particularly applicable to colorless and light-colored products. Mainly applied to PVC, PS, PC, PMMA, AS resin, ABS resin, PP, PE, etc.
Recommended dosage		PVC	PP	PC	PS	ABS resin
		0.2-0.5 %	0.15-0.3%	0.15-0.3%	0.2-0.5%	0.3-0.5%
Package		25KG cartons or drums