4-Methylbenzenesulfonic acid 1-methylethyl ester
[CAS# 2307-69-9]

Identification

• Classification: Chemical reagent >> Organic reagent >> Tosylate
• Name: 4-Methylbenzenesulfonic acid 1-methylethyl ester
• Synonyms: Isopropyl p-methylbenzenesulfonate; Isopropyl p-toluenesulfonate; Isopropyl p-tosylate; Isopropyl tosylate; Toluene-4-sulfonic acid isopropyl ester
• Molecular Formula: C₁₀H₁₄O₃S
• Molecular Weight: 214.28
• CAS Registry Number: 2307-69-9
• EC Number: 218-989-4

Properties

• Solubility: Very slightly soluble (0.41 g/L) (25 ºC), Calc.^*
• Density: 1.144±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 20 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** Tipson, R. Stuart; Journal of Organic Chemistry 1947, V12, P133-7.

Safety Data

Hazard Classification

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