C22H38O2
334.5 g/mol
Industrial ChemicalWarning
2,5-Bis(1,1,3,3-tetramethylbutyl)hydroquinone
CAS903-19-5EC212-990-3
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
Antioxidant for polymers and rubber
This compound is a hindered phenol antioxidant used to stabilize polymers and rubber against oxidative degradation. Its structure features two hydroxyl groups on an aromatic ring, providing effective free-radical scavenging activity.
Antioxidant for polymersAntioxidant for rubber
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.
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Related Compounds
ReferenceSame Category
3,9-bis(2-(3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionyloxy)-1,1-dimethylethyl)-2,4,8,10-tetraoxaspiro(5.5)undecane
CAS90498-90-1
antioxidant for polymers
ReferenceSame Category
3,5,7-Trimethyldecane
CAS90622-58-5
Processing solvent
ReferenceSame Category
1-Propanol, 2-(dodecyloxy)-
CAS9064-14-6
surfactant intermediate
ReferenceSame Category
Cyclohexanones
CAS9075-99-4
Industrial solvent for paints and resins
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H373May cause damage to organs through prolonged or repeated exposure
H413May cause long lasting harmful effects to aquatic life
Customs Tariff Classification
The international HS code for 2,5-Bis(1,1,3,3-tetramethylbutyl)hydroquinone (CAS 903-19-5) is 2907.29.
HS code (international, 6-digit)
2907.29
EU CN code (8-digit)
2907 29 00
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
2,5-bis(2,4,4-trimethylpentan-2-yl)benzene-1,4-diol
InChIKey
CLDZVCMRASJQFO-UHFFFAOYSA-N
SMILES
CC(C)(C)CC(C)(C)C1=CC(=C(C=C1O)C(C)(C)CC(C)(C)C)O
Synonyms (9)
- 2,5-Ditertoctylhydroquinone
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