Chemical name: 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole
Molecular formula:C13H11N3O
Molecular weight: 225.3
CAS NO. : 2440-22-4
Chemical structural formula:
Appearance:white to light yellow crystal powder
Content: ≥ 99%
Melting point: 128-130 °C
Loss on drying: ≤ 0.5%
Ash: ≤ 0.1%
Light transmittance:
|
Wave length nm |
Light transmittance % |
|
440 |
≥ 97 |
|
500 |
≥ 98 |
Toxicity: low toxicity,rattus norvegicus oral LD50 >5g/Kg weight.
Use: This product is suitable in polyester, epoxy cellulose acetate, Polyvinyl chloride, organic glass and others. Max absorption wave length range is 270-380nm .
General dosage:thin products: 0.1-0.5% , thick products: 0.05-0.2% .
Solubility: 25°C unit:g/100mLsolvent
|
Solvent |
Solubility |
Solvent |
Solubility |
|
Acetone |
2.5 |
Dioctyl phthalate |
2.5 |
|
Alcohol |
0.3 |
Di-n-octyl sebacate |
2.4 |
|
Methyl alcohol |
0.2 |
A Ethanol |
3.9 |
|
2-(2-Ethoxyethoxy)ethanol |
2.6 |
Methyl methacrylate |
5.0 |
|
Ethyl acetate |
3.5 |
Styrene |
7.2 |
|
n-Butyl acetate |
3.0 |
Tricresyl phosphate |
3.3 |
|
Benzene |
6.9 |
Solvent gas |
0.9 |
|
Toluene |
6.0 |
Petroleum solvent |
1.5 |
|
Cyclohexane |
0.7 |
** |
0 |
