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| Ultraviolet absorbent UV-326 |
Chemical name: 2-(2'-hydroxide-3'- tertiary butyl–5'-methylphenyl)-5 -chloro-2H-benzotriazole
Molecular formula: C17H18N3OCL
Molecular weight: 315.5
CAS NO.: 3896-11-5
Chemical structural formula: 
Sale code: PS-6
Appearance: light yellow small crystal
Content: ≥ 99%
Melting point: 138°C
Loss on drying: ≤ 0.5%
Ash: ≤ 0.1%
Light transmittance:
Wave length nm |
Light transmittance % |
460 |
≥ 96 |
500 |
≥ 97 |
Toxicity: low toxicity,rattus norvegicus oral LD50 >5g/Kg weight.
Use:This product is suitable in Polyolefine, Polyvinyl chloride, organic glass and others. Max absorption wave length range is 270-380nm.
Solubility: 25°C unit:g/100mLsolvent
Solvent |
Solubility |
Solvent |
Solubility |
Acetone |
1.1 |
Dioctyl phthalate |
0.5 |
Alcohol |
0.1 |
2-Butanone |
2.9 |
Methyl alcohol |
0.1 |
Methyl methacrylate |
4.9 |
2-(2-Ethoxyethoxy)ethanol |
0.9 |
Styrene |
12.6 |
Ethyl acetate |
2.5 |
Tricresyl phosphate |
0.9 |
n-Butyl acetate |
3.3 |
Turpentine |
1.9 |
Benzene |
9.2 |
Petroleum solvent |
1.8 |
Toluene |
9.5 |
Cyclohexane |
4.1 |
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