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

2,4,6-Tri-tert-butylphenol

2,4,6-Tri-tert-butylphenol is crystals from alcohol, petroleum ether.

CAS 732-26-3 Danger

01 · Identification

What 2,4,6-Tri-tert-butylphenol is

2,4,6-Tri-tert-butylphenol is crystals from alcohol, petroleum ether. It boils at 278 °C, melts at 131 °C, is soluble in water.

Under the GHS it carries the signal word Danger.

CAS number732-26-3
EC number211-989-5
Index number604-097-00-6

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 2,4,6-Tri-tert-butylphenol
CodeHazard statement
H360D May damage the unborn child.
H302 Harmful if swallowed.
H373 May cause damage to organs <or state all organs affected, if known> through prolonged or repeated exposure <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
H317 May cause an allergic skin reaction.

Precautionary statements: P260, P261, P270, P272, P280, P301, P312, P313, P314, P330, P333

03 · Physical and chemical properties

2,4,6-Tri-tert-butylphenol 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 278 °C (532.4 °F) HSDB
Melting point 131 °C (267.8 °F) HSDB
Density 0.864 g/cm³ at 27 °C HSDB
Solubility Soluble in most organic solvents HSDB
Insoluble in alkalis; soluble in ethanol, acetone, carbon tetrachloride HSDB
In water, 35 mg/L at 25 °C at 25 °C HSDB
Vapor pressure 0.000661 mmHg at 25 °C HSDB
0.000661 mmHg Haz-Map
Flash point 130 °C (266 °F) HSDB

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

04 · Handling and storage

Storing and handling 2,4,6-Tri-tert-butylphenol

Storage conditions

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

Source: Hazardous Substances Data Bank (HSDB)

Incompatible materials

Materials to avoid: Bases, acid chlorides, acid anhydrides, oxidizing agents, brass, copper.

Source: Hazardous Substances Data Bank (HSDB)

Planning storage for a mix of chemicals? Check 2,4,6-Tri-tert-butylpheno… in the storage compatibility matrix →

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