1,3-Diethynylbenzene
[CAS# 1785-61-1]

Identification

• Classification: Chemical reagent >> Organic reagent >> Alkyne
• Name: 1,3-Diethynylbenzene
• Synonyms: 1,3-Bis(ethynyl)benzene
• Molecular Formula: C₁₀H₆
• Molecular Weight: 126.15
• CAS Registry Number: 1785-61-1
• EC Number: 628-564-9

Properties

• Solubility: Very slightly soluble (0.15 g/L) (25 ºC), Calc.^*
• Density: 1.00±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 2.5 ºC^**
• Boiling point: 78 ºC (14 Torr)^***
• Refractive index: 1.5841 (589.3 nm 18 ºC)^**
• Flash point: 66.5±16.7 ºC, Calc.^*

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

^** Deluchat; Compt. rend. 1931, V192, P1387-9.

^*** Hay, Allan S.; Journal of Organic Chemistry 1960, V25, P637-8.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315