Methyl 5-hexynoate
[CAS# 77758-51-1]

Identification

• Classification: Chemical reagent >> Organic reagent >> Ester >> Methyl ester compound
• Name: Methyl 5-hexynoate
• Molecular Formula: C₇H₁₀O₂
• Molecular Weight: 126.15
• CAS Registry Number: 77758-51-1
• EC Number: 688-017-5
• SMILES: COC(=O)CCCC#C

Properties

• Solubility: 4377 mg/L (25 °C water)
• Density: 1.0±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.432, Calc.^*
• Melting point: -18.87 °C
• Boiling Point: 156.09 °C, 156.2±23.0 °C (760 mmHg), Calc.^*
• Flash Point: 47.6±20.0 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07 Warning
• Risk Statements: H315-H319-H335
• Safety Statements: P280-P305+P351+P33-P337+P313

Hazard Classification

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