98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Application：
UV-320 is a benzotriazole UV stabilizer, which is used to increase product stability and to prevent discolouration in various consumer and industrial goods such as plastics. Benzotriazole UV stabilizers are a pollutant for the aquatic environment and have been implicated as a potential stable and toxic ligands for aryl hydrocarbon receptor in human.
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Azoles |
| Subclass | Triazoles |
| Intermediate Tree Nodes | Phenyltriazoles |
| Direct Parent | Phenyl-1,2,3-triazoles |
| Alternative Parents | Phenylpropanes Benzotriazoles Phenols Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organooxygen compounds Organonitrogen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Phenyl-1,2,3-triazole - Phenylpropane - Benzotriazole - Phenol - Benzenoid - Monocyclic benzene moiety - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as phenyl-1,2,3-triazoles. These are organic compounds containing a 1,2,3-triazole substituted by a phenyl group. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 D23141870 | Certificate of Analysis | Jan 21, 2026 | H193123 |
| D23141893 | Certificate of Analysis | Jan 21, 2026 | H193123 |
| D23141852 | Certificate of Analysis | Apr 06, 2023 | H193123 |
| D23141866 | Certificate of Analysis | Apr 06, 2023 | H193123 |
| D23141879 | Certificate of Analysis | Apr 06, 2023 | H193123 |
| D23141882 | Certificate of Analysis | Apr 06, 2023 | H193123 |
| D23142012 | Certificate of Analysis | Apr 06, 2023 | H193123 |
| Solubility | SolubilityChloroform (Slightly), Methanol (Slightly) |
|---|---|
| Melt Point(°C) | 151-154°C |
| Molecular Weight | 323.400 g/mol |
| XLogP3 | 7.300 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 3 |
| Exact Mass | 323.2 Da |
| Monoisotopic Mass | 323.2 Da |
| Topological Polar Surface Area | 50.900 Ų |
| Heavy Atom Count | 24 |
| Formal Charge | 0 |
| Complexity | 425.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
