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-tert-Butylbenzoic acid

4-tert-Butylbenzoic acid is needles from dilute alcohol.

CAS 98-73-7 C11H14O2 178.23 g/mol Danger

01 · Identification

What 4-tert-Butylbenzoic acid is

4-tert-Butylbenzoic acid is needles from dilute alcohol. Its molecular formula is C11H14O2 and its molecular weight is 178.23 g/mol. It melts at 165 °C.

Under the GHS it carries the signal word Danger.

CAS number98-73-7
EC number202-696-3
Index number607-698-00-1
Molecular formulaC11H14O2
Molecular weight178.23 g/mol

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-tert-Butylbenzoic acid
CodeHazard statement
H360F May damage fertility.
H302 Harmful if swallowed.
H372 Causes 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>.

Precautionary statements: P260, P270, P301, P312, P314, P330

This page lists only the codes assigned to 4-tert-Butylbenzoic acid. The full reference lives on the hazard statements hub, the precautionary statements hub and the GHS pictograms hub.

03 · Physical and chemical properties

4-tert-Butylbenzoic acid 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
Melting point 165 °C (329 °F) range, midpoint shown HSDB
Density 1.142 g/cm³ at 20 °C DOE PAC
Solubility INSOL IN WATER; VERY SOL IN ALCOHOL & BENZENE HSDB
Vapor pressure 0.000636 mmHg Haz-Map
Flash point 158 °C (316.4 °F) Haz-Map

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

Safety Data Sheet

Getting an SDS for 4-tert-Butylbenzoic acid

A Safety Data Sheet is written for a product, not for a substance: the supplier of the grade you actually buy issues it, so two suppliers of 4-tert-Butylbenzoic… issue two different sheets. That is why there is no single authoritative SDS for a substance to download — what there is, is the job of collecting the sheets for the products you hold and keeping them current as suppliers revise them.

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