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1-Iodobutane

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1-Iodobutane Basic information

Product Name:
1-Iodobutane
Synonyms:
  • 1-Butyljodid
  • 1-iodo-butan
  • 1-Jodbutan
  • Butane,1-iodo-
  • Iodobutane
  • n-Butyliodid
  • n-C4H9I
  • 1-IODOBUTANE , STABILIZED WITH COPPER
CAS:
542-69-8
MF:
C4H9I
MW:
184.02
EINECS:
208-824-4
Product Categories:
  • Organics
  • Iodine Compounds
Mol File:
542-69-8.mol
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1-Iodobutane Chemical Properties

Melting point:
−103 °C(lit.)
Boiling point:
130-131 °C(lit.)
Density 
1.617 g/mL at 25 °C(lit.)
vapor density 
~5 (vs air)
vapor pressure 
18.5 hPa (25 °C)
refractive index 
n20/D 1.498(lit.)
Flash point:
92 °F
storage temp. 
Store below +30°C.
solubility 
alcohol: soluble
form 
Liquid
color 
Clear colorless to pale yellow or light pink
Water Solubility 
Insoluble in water.
Sensitive 
Light Sensitive
Merck 
14,1573
BRN 
1420755
Dielectric constant
4.5(130℃)
Stability:
Stable. Highly flammable. Incompatible with strong oxidizing agents. Light sensitive.
CAS DataBase Reference
542-69-8(CAS DataBase Reference)
NIST Chemistry Reference
Butane, 1-iodo-(542-69-8)
EPA Substance Registry System
Butane, 1-iodo- (542-69-8)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
10-20-36/37/38-20/22
Safety Statements 
16-36-36/37/39-26
RIDADR 
UN 1993 3/PG 3
WGK Germany 
3
RTECS 
EK4400000
8
Hazard Note 
Harmful
TSCA 
Yes
HazardClass 
3
PackingGroup 
III
HS Code 
29033080

MSDS

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1-Iodobutane Usage And Synthesis

Chemical Properties

colorless liquid. Soluble in chloroform, miscible with ethanol and ether, insoluble in water, and will change color when exposed to light or left for a long time.

Uses

1-Iodobutane was used in the synthesis of S-alkylated 5-(2-,3- and 4-methoxyphenyl)-4H-1,2,4-triazole-3-thiol and 5-(2-,3- and 4-methoxyphenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol. It is also used in wide range of medicals industrial applications as well as in human and animal nutrition products, pharmaceutical intermediates, polarizing films for Liquid Crystal Display (LCD) chemicals.

Preparation

1-Iodobutane is obtained by reacting n-butanol with iodine in the presence of phosphorus.

Synthesis Reference(s)

The Journal of Organic Chemistry, 44, p. 2048, 1979 DOI: 10.1021/jo01326a042
Synthesis, p. 114, 1976

General Description

Thermal chemistry of 1-iodobutane has been investigated on clean and hydrogen- and deuterium-predosed Pt(111) single-crystal surfaces by temperature-programmed desorption and reflection-absorption infrared spectroscopy.

Purification Methods

Dry the iodide with MgSO4 or P2O5, fractionally distil it through a column packed with glass helices, taking the middle fraction and storing over calcium or mercury in the dark. Alternatively purify it by prior passage through activated alumina or by shaking with conc H2SO4 then washing with Na2SO3 solution. It has also been treated carefully with sodium to remove free HI and H2O, before distilling through a column containing copper turnings at the top. Another purification procedure consisted of treatment with bromine, followed by extraction of free halogen with Na2S2O3, washing with H2O, drying and fractionally distilling. [Beilstein 1 IV 271.]

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