1-Ethynylnaphthalene
[CAS# 15727-65-8]

Identification

• Classification: Organic raw materials >> Aryl compounds >> Naphthalenes
• Name: 1-Ethynylnaphthalene
• Synonyms: 1-Naphthylacetylene; 1-Naphthylethyne; alpha-Ethynylnaphthalene; alpha-Naphthylacetylene
• Molecular Formula: C₁₂H₈
• Molecular Weight: 152.19
• CAS Registry Number: 15727-65-8
• EC Number: 627-307-8

Properties

• Solubility: Practically insoluble (0.041 g/L) (25 ºC), Calc.^*
• Density: 1.0660 g/cm³ (0 ºC)^**
• Melting point: 1-2 ºC^**
• Boiling point: 143 ºC (25 Torr)^***
• Refractive index: 1.6360 (20 ºC)^****
• Flash point: 106.3±12.9 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2019 ACD/Labs)

^** Bertin, Daniel; Compt. rend. 1949, V229, P660-2.

^*** Atkinson, Ronald E.; Chemical Communications (London) 1967, (14), P718-19.

^**** Hanekamp, Jaap C.; Synthetic Communications 1989, V19(15), P2677-82.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226