N-butyl iodide (1-Iodobutane) is a primary alkyl halide that serves as a powerful alkylating agent in organic synthesis, favored for its high reactivity due to the excellent leaving group ability of the iodide ion.
| CAS Number | 542-69-8 |
| Chemical Formula | C4H9I or CH3(CH2)3I |
| Molecular Weight | 184.02 g/mol |
| Appearance | Clear, colorless liquid (turns yellow to reddish-brown upon exposure to light) |
| Melting Point | -103 °C (Boiling Point: 130 – 131 °C) |
| Purity | ≥ 98.0% or ≥ 99.0% |
| Solubility | Soluble in Ethanol, Ether, and Chloroform; insoluble in water |
| Safety Information |
Classified as a Flammable Liquid (H226) and Harmful (GHS07); it causes skin and eye irritation and may be harmful if swallowed or inhaled, requiring handling in a fume hood. |
| Packing |
Laboratory: 100g, 500g, 1kg amber glass bottles; Industrial: 25 kg to 200 kg steel or HDPE drums (often stabilized with copper wire or silver to prevent iodine release). |
| Synonyms | 2-Iodopropane, 2-Propyl iodide, sec-Propyl iodide |
| Uses |
N-butyl iodide is primarily used as a highly reactive alkylating agent in the synthesis of pharmaceuticals, flavors, and fragrances, as well as a reagent for the preparation of organometallic compounds like n-butyllithium. |
