2-Octyne
[CAS# 2809-67-8]

Identification

• Classification: Chemical reagent >> Organic reagent >> Alkyne
• Name: 2-Octyne
• Synonyms: Methylpentylacetylene
• Molecular Formula: C₈H₁₄
• Molecular Weight: 110.20
• CAS Registry Number: 2809-67-8
• EC Number: 220-553-3

Properties

• Solubility: Practically insoluble (0.03 g/L) (25 ºC), Calc.^*
• Density: 0.7596 g/cm³ (20 ºC)^**
• Melting point: -61.55 ºC^***
• Boiling point: 138-138.4 ºC^****
• Refractive index: 1.4300 (20 ºC)^*****
• Flash point: 24.1±11.2 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** Henne, Albert L.; Journal of the American Chemical Society 1945, V67, P484-5.

^*** Miller, Harold N.; Journal of Organic Chemistry 1954, V19, P1882-8.

^**** Mulliken, Samuel P.; Journal of the American Chemical Society 1935, V57, P1605-7.

^***** Mkryan, G. M.; Armyanskii Khimicheskii Zhurnal 1981, V34(10), P847-53.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	2	H225
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Aspiration hazard	Asp. Tox.	1	H304