1-Phenyl-1-propyne
[CAS# 673-32-5]

Identification

• Classification: Chemical reagent >> Organic reagent >> Alkyne
• Name: 1-Phenyl-1-propyne
• Synonyms: 1-Phenylpropyne; 1-Propyn-1-ylbenzene; 1-Propynylbenzene; 3-Phenyl-2-propyne; Methylphenylacetylene; Methylphenylethyne; Phenylmethylacetylene
• Molecular Formula: C₉H₈
• Molecular Weight: 116.16
• CAS Registry Number: 673-32-5
• EC Number: 211-607-7

Properties

• Solubility: Very slightly soluble (0.26 g/L) (25 ºC), Calc.^*
• Density: 1.5643 g/cm³ (20 ºC)^**
• Boiling point: 185-186 ºC (760 Torr)^***
• Refractive index: 1.5638 (589.3 nm 20 ºC)^****
• Flash point: 62.2±0.0 ºC, Calc.^*

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

^** Kartashov, V. R.; Zhurnal Organicheskoi Khimii 1988, V24(8), P1684-90.

^*** Ashby, E. C.; Journal of Organometallic Chemistry 1979, V177(1), P117-28.

^**** Foltz, Calvin M.; Journal of the American Chemical Society 1957, V79, P201-5.

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26;S36/37/39

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