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Ultraviolet absorbent UV-326

Hangzhou caidie chemical co.,ltd. http://www.caidiechem.com | Updated：2013-06-08 | Source: 　| Read:5005

Chemical name : 2 - (2'- hydroxy -3'- t-butyl -5'- methyl-phenyl ) -5 - chloro benzo-triazole
Molecular formula : C 17 H 18 N 3 OCL
Molecular weight : 315.5
CAS NO. : 3896-11-5

Chemical Structure :

Sales Code : PS-6
Appearance :  light yellow fine crystalline
Content : ≥ 99%
Melting Point : 138 ° C
Drying weightlessness : ≤ 0.5%
Ash content : ≤ 0.1%
light transmittance rate :

Wavelength nm	Transmittance %
460	≥ 96
500	≥ 97

Toxicity :  low toxicity, rats by oral  LD50> 5g/Kg  body weight.
Uses :  As the ultraviolet absorber, can be used for polyolefins, polyvinyl chloride, plexiglass the heart, and  ABS  resin and the like.Maximum absorption wavelength range  270-380 nm  .
Solubility : 25 ° C  Unit : g/100mL solvent

Solvent	Solubility	Solvent	Solubility
Acetone	1.1	Dioctyl phthalate	0.5
Ethanol	0.1	Methyl ethyl ketone	2.9
Methanol	0.1	Methyl methacrylate	4.9
Carbitol	0.9	Styrene	12.6
Ethyl acetate	2.5	Tricresyl	0.9
Butyl acetate	3.3	Turpentine	1.9
Benzene	9.2	Petroleum solvents	1.8
Toluene	9.5	Cyclohexane	4.1

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