Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

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Substance profile

4-(1,1,3,3-tetramethylbutyl)phenol

4-(1,1,3,3-tetramethylbutyl)phenol is a white solid.

CAS 140-66-9 C14H22O 206.32 g/mol Danger

01 · Identification

What 4-(1,1,3,3-tetramethylbutyl)ph… is

4-(1,1,3,3-tetramethylbutyl)phenol is a white solid. Its molecular formula is C14H22O and its molecular weight is 206.32 g/mol. It boils at 279 °C, melts at 85 °C.

Under the GHS it carries the signal word Danger.

CAS number140-66-9
EC number205-426-2
Index number604-075-00-6
Molecular formulaC14H22O
Molecular weight206.32 g/mol

Other names for 4-(1,1,3,3-tetramethylbutyl)ph…

  • 4-tert-octylphenol

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordDanger
Hazard statements assigned to 4-(1,1,3,3-tetramethylbutyl)ph…
CodeHazard statement
H315 Causes skin irritation.
H318 Causes serious eye damage.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements: P264, P273, P280, P302, P305, P310, P313, P332, P338, P352, P391, P501

03 · Physical and chemical properties

4-(1,1,3,3-tetramethylbutyl)ph… properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property Value Conditions Source
Boiling point 279 °C (534.2 °F) HSDB
Melting point 85 °C (185 °F) HSDB
84.5 °C (184.1 °F) HMDB
Density 0.89 g/cm³ at 90 °C HSDB
Vapor pressure 0.0353 mmHg at 74 °C HSDB
0.03 mmHg Haz-Map

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

04 · Handling and storage

Storing and handling 4-(1,1,3,3-tetramethylbutyl)ph…

Storage conditions

Keep container tightly closed in a dry and well-ventilated place.

Source: Hazardous Substances Data Bank (HSDB)

Incompatible materials

Incompatible materials: Strong oxidizing agents, heavy metals.

Source: Hazardous Substances Data Bank (HSDB)

Planning storage for a mix of chemicals? Check 4-(1,1,3,3-tetramethylbut… in the storage compatibility matrix →

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