1,4-Diphenyl-1,3-butadiyne
[CAS# 886-66-8]

Identification

• Classification: Chemical reagent >> Organic reagent >> Alkyne
• Name: 1,4-Diphenyl-1,3-butadiyne
• Synonyms: 1,4-Diphenylbutadiyne; 1,4-Diphenyldiacetylene; Diphenyl-1,3-butadiyne; Diphenylbutadiyne; Diphenyldiacetylene; NSC 529170
• Molecular Formula: C₁₆H₁₀
• Molecular Weight: 202.25
• CAS Registry Number: 886-66-8
• EC Number: 212-953-1

Properties

• Solubility: Insoluble (5.5E^-4 g/L) (25 ºC), Calc.^*
• Density: 1.10±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 92 ºC^**

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

^** Taylor, Thomas J.; Organometallics 2006, V25(9), P2143-2147.

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26;S37/39

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