tert-Butyl 2-butynoate
[CAS# 218457-99-9]

Identification

• Name: tert-Butyl 2-butynoate
• Molecular Formula: C₈H₁₂O₂
• Molecular Weight: 140.18
• CAS Registry Number: 218457-99-9
• EC Number: 961-934-0

Properties

• Solubility: Very slightly soluble (0.95 g/L) (25 °C), Calc.^*
• Density: 0.950±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Boiling point: 191.2±9.0 °C (760 Torr), Calc.^*
• Flash point: 62.4±6.7 °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
Eye irritation	Eye Irrit.	2A	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335