Ethynylboronic acid pinacol ester
[CAS# 347389-74-6]

Identification

• Classification: Chemical reagent >> Organic reagent >> Borane
• Name: Ethynylboronic acid pinacol ester
• Synonyms: 2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
• Molecular Formula: C₈H₁₃BO₂
• Molecular Weight: 152.00
• CAS Registry Number: 347389-74-6
• EC Number: 808-108-7

Properties

• Density: 0.93
• Boiling point: 133 °C
• Flash point: 34 °C

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2A	H319
Acute toxicity	Acute Tox.	4	H332
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335