C22H29N3O
351.5 g/mol
Industrial ChemicalWarning
2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol
CAS25973-55-1EC247-384-8
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
UV absorber for plastics
This compound is an ultraviolet (UV) light absorber used primarily as a UV stabilizer in plastics. It offers strong intensity and broad UV absorption with a sharp cutoff near the visible region, helping to protect plastic products from degradation caused by sunlight.
UV absorber for plasticsUV stabilizer in polyolefin films, outdoor furniture, and clear coat automotive finishesUsed in paints, coatings, adhesives, sealants, and polymers
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
CAS 25973-55-1
Related Compounds
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Phenol, 2,2',2''-(1,3,5-triazine-2,4,6-triyl)tris[5-(hexyloxy)-6-methyl-
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UV absorber for plastics
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2,4-di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol
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Safety Reference
Warning
H373May cause damage to organs through prolonged or repeated exposure
H413May cause long lasting harmful effects to aquatic life
H372Causes damage to organs through prolonged or repeated exposure
H410Very toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol (CAS 25973-55-1) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-(benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol
InChIKey
ZMWRRFHBXARRRT-UHFFFAOYSA-N
SMILES
CCC(C)(C)C1=CC(=C(C(=C1)N2N=C3C=CC=CC3=N2)O)C(C)(C)CC
Synonyms (28)
- CHISORB 328
- CYASORB UV 2337
- Tinuvin 328
- UV-328 (BDTP)