C20H25N3O
323.4 g/mol
Industrial ChemicalWarning
2-(2'-HYDROXY-3',5'-DI-TERT-BUTYLPHENYL)BENZOTRIAZOLE
CAS3846-71-7EC223-346-6
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
ultraviolet absorber agent
This compound is an industrial chemical that functions as an ultraviolet absorber agent. It is a benzotriazole derivative commonly used to protect materials from UV degradation.
ultraviolet absorber agent
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.
Relevant lists:EU REACH Authorisation List
CAS 3846-71-7
Related Compounds
SimilarStructure SimilarSimilarity 0.73
2,4-di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol
CAS3864-99-1
UV absorber for plastics
ReferenceSame Category
3,5,5-Trimethylhexanoyl peroxide
CAS3851-87-4
Polymerization initiator for PVC production
ReferenceSame Category
Methyl 3-methoxypropionate
CAS3852-09-3
Solvent
ReferenceSame Category
2,5-thiophenedicarbonyl dichloride
CAS3857-36-1
chemical intermediate for synthesis
ReferenceSame Category
Diisopropylnaphthalene
CAS38640-62-9
multipurpose solvent and chemical intermediate
Referencesame scaffold
2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentylphenol
CAS25973-55-1
UV absorber for plastics
Referencesame scaffold
4-tert-butyl-6-sec-butyl-2-(2H-benzotriazol-2-yl)phenol
CAS36437-37-3
UV absorber additive
Referencesame scaffold
Tinuvin-1130
CAS104810-48-2
UV stabilizer
Safety Reference
Warning
H351Suspected of causing cancer
H373May cause damage to organs through prolonged or repeated exposure
H412Harmful to aquatic life with long lasting effects
H372Causes damage to organs through prolonged or repeated exposure
Regulatory Compliance2
- EU REACH Authorisation ListEURegulationRestricted
- EU REACH SVHCEURegulation
Customs Tariff Classification
The international HS code for 2-(2'-HYDROXY-3',5'-DI-TERT-BUTYLPHENYL)BENZOTRIAZOLE (CAS 3846-71-7) 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-ditert-butylphenol
InChIKey
LHPPDQUVECZQSW-UHFFFAOYSA-N
SMILES
CC(C)(C)C1=CC(=C(C(=C1)N2N=C3C=CC=CC3=N2)O)C(C)(C)C
Synonyms (29)
- HDBB
- UV-320
- CHISORB 320
- EVERSORB 77
- HDBB cpd
- KEMISORB 75
- SEESORB 705
- SUMISORB 320
- TINUVIN 320
- VIOSORB 582