2,2-Dimethylethenylboronic acid pinacol ester
[CAS# 126689-00-7]

Identification

• Name: 2,2-Dimethylethenylboronic acid pinacol ester
• Synonyms: 4,4,5,5-Tetramethyl-2-(2-methylprop-1-en-1-yl)-1,3,2-dioxaborolane; 4,4,5,5-Tetramethyl-2-(2-methylprop-1-enyl)-1,3,2-dioxaborolane
• Molecular Formula: C₁₀H₁₉BO₂
• Molecular Weight: 182.07
• CAS Registry Number: 126689-00-7
• EC Number: 801-924-4

Properties

• Density: 0.89±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Boiling point: 180.0±23.0 °C (760 Torr), Calc.^*
• Flash point: 62.7±22.6 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2019 ACD/Labs)

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	4	H227
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H302
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335