4-Iodo-1-butyne
[CAS# 43001-25-8]

Identification

• Name: 4-Iodo-1-butyne
• Synonyms: 1-Iodobut-3-yne; 3-Butynyl iodide
• Molecular Formula: C₄H₅I
• Molecular Weight: 179.99
• CAS Registry Number: 43001-25-8
• EC Number: 832-869-4

Properties

• Solubility: Very slightly soluble (0.72 g/L) (25 ºC), Calc.^*
• Density: 1.852±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Boiling point: 61 ºC (80 Torr)^**
• Refractive index: 1.5504 (589.3 nm 19 ºC)^**
• Flash point: 57.4±16.9 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2016 ACD/Labs)

^** Eglinton, G.; Journal of the Chemical Society 1950, P3650-6.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H301
Skin sensitization	Skin Sens.	1	H317
Flammable liquids	Flam. Liq.	3	H226