Ultraviolet absorber UV-326 Bumetrizole
| Name |
|
Bumetrizole |
| Synonyms |
|
2-(3-tert-Butyl-2-hydroxy-5-methylphenyl)-5-chloro-2H-benzotriazole; 2-(5-Chloro-2H-benzotriazol-2-yl)-6-(1,1-dimethylethyl)-4-methylphenol |
 |
| Molecular Structure |
|
 |
| |
| Molecular Formula |
|
C17H18ClN3O |
| Molecular Weight |
|
315.80 |
| CAS Registry Number |
|
3896-11-5 |
| EINECS |
|
223-445-4 |
| |
| Properties |
| |
| Melting point |
|
144-147 ºC |
| |
|
|
| Safety Data |
| |
| Hazard Symbols |
|
Xi Details |
| Risk Codes |
|
R36/37/38 Details |
| Safety Description |
|
S26;S36 Details |
| MSDS |
|
Available |
| |
|
|
Ultraviolet absorber UV-326
Chemical name: 2'-(2'-Hydroxy-3'-tert-buty-5'-methyl-phenyl)-5-chlorobenzotriazole
Molecular formula:C17H18N3OCL
Structural formula:
.gif)
Properties:
UV-326 is a important ultraviolet absorber of bonzotriazole series, which is stable, nontoxic, higher absorbency for ultraviolet ray. widely used for photosensitive materials and poly merized material, coating and so on.
Specifications:
|
Appearance
|
Light yellow powder
|
|
Melting point
|
≥138 
|
|
Volatile matter
|
≤0.05%
|
|
Ash content
|
≤0.5%
|
|
Transmissirity
|
460nm≥97% 500nm≥98%
|
|
Purity
|
≥99%
|
Package: 25kg Carton
Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA. Our main production base is located in Xuzhou industry park. We produce a wide range of organics.
Think Chemistry,Think CHemWill
Factory Plant Address:
High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China
Any inquiries will be replied within 12 hours.
Website: http://www.chemwill.com
Email: chemwill_asia@126.com
chemwill@hotmail.com