3-Hexyn-2-one
[CAS# 1679-36-3]

Identification

• Classification: Chemical reagent >> Organic reagent >> Fatty ketone (including enol)
• Name: 3-Hexyn-2-one
• Synonyms: 1-Butynyl methyl ketone; 2-Oxo-3-hexyne
• Molecular Formula: C₆H₈O
• Molecular Weight: 96.13
• CAS Registry Number: 1679-36-3
• EC Number: 679-962-4

Properties

• Solubility: Slightly soluble (3.2 g/L) (25 ºC), Calc.^*
• Density: 1.107 g/cm³ (20 ºC)^**
• Boiling point: 95 ºC (760 Torr)^**
• Refractive index: 1.4400 (589.3 nm 20 ºC)^***
• Flash point: 39.4±19.6 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Stepanov, I. V.; Zhurnal Organicheskoi Khimii 1983, V19(2), P273-9.

^*** Petrov, A. A.; Doklady Akademii Nauk SSSR 1953, V90, P561-4.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H301
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Flammable liquids	Flam. Liq.	3	H226