4-Hydroxybenzoic acid tert-butyl ester
[CAS# 25804-49-3]

Identification

• Name: 4-Hydroxybenzoic acid tert-butyl ester
• Synonyms: p-Hydroxybenzoic acid tert-butyl ester; tert-Butyl 4-hydroxybenzoate; tert-Butyl p-hydroxybenzoate
• Molecular Formula: C₁₁H₁₄O₃
• Molecular Weight: 194.23
• CAS Registry Number: 25804-49-3
• EC Number: 247-272-9

Properties

• Solubility: Very slightly soluble (0.64 g/L) (25 ºC), Calc.^*
• Density: 1.107±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 130-132 ºC (ethyl ether ligroine )^**
• Boiling point: 295.6±13.0 ºC (760 Torr), Calc.^*
• Flash point: 121.5±12.6 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Sarges, Reinhard; DE 1912416 A 1969.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H302
Eye irritation	Eye Irrit.	2A	H319