1,4-Diiodobutane

Basic Information

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CAS Number

628-21-7

Molecular Formula

C4H8I2

Molecular Weight

309.92 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

6 °C

Boiling Point

125°C/12mmHg

Density

2.35 g/mL at 25 °C

Flash Point

108-110°C/10mm

Refractive Index

n20/D 1.621(lit.)

SMILES

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C(CCI)CI

InChI

InChI=1S/C4H8I2/c5-3-1-2-4-6/h1-4H2

InChIKey

ROUYUBHVBIKMQO-UHFFFAOYSA-N

LogP

2.6366000000000014

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

17.5

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class 6.1(b) Class 6.1(b)

Sensitiveness

Light Sensitive

Synonyms & References

English

1,4-bis(iodanyl)butane
1,4-diiodo-butane
F0001-1692
A834019
4-01-00-00276 (Beilstein Handbook Reference)
EINECS 211-032-1
NSC-31721
NSC 31721
1,4-Diodobutane
628-21-7
BRN 1098276
Tetramethylene iodide
FT-0653471
NSC31721
D1701
DS-5743
1,4-Diiodobutane stabilized over Cu
Tetramethylene diiodide
DTXSID5060851
SCHEMBL243638
NS00022572
BUTANE, 1,4-DIIODO-
J-802015
1,4-Diiodobutane
InChI=1/C4H8I2/c5-3-1-2-4-6/h1-4H
1,4 diiodobutane
AC1274
1,4-Diiodobutane, >=99%, contains copper as stabilizer
AKOS005146540
EN300-19288
MFCD00001099

MDL Number

MFCD00001099

Customs Code

29033080

FAQ

What are the physical and chemical properties of 1,4-Diiodobutane (CAS: 628-21-7)?

1,4-Diiodobutane (CAS: 628-21-7) is a colorless or light yellow liquid with a molecular weight of about 306.06 g/mol. It has a low solubility in water but is soluble in common organic solvents like ethanol and acetone. It is highly reactive due to the presence of iodo groups and can undergo substitution reactions. It crystallizes in a monoclinic form at low temperatures.

How is 1,4-Diiodobutane (CAS: 628-21-7) typically synthesized?

1,4-Diiodobutane can be synthesized via the reaction of 1,4-diiodobutene with ethylene or by the iodination of 1,4-butadiene using iodine and a suitable catalyst. The reaction typically yields a high selectivity for the 1,4-position and can be performed in good yield under controlled conditions.

What industries use 1,4-Diiodobutane (CAS: 628-21-7)?

1,4-Diiodobutane (CAS: 628-21-7) is used in the pharmaceutical industry for the synthesis of certain drugs, and in the polymer industry for the modification of polymers. It is also used in the production of sensors and semiconductors due to its iodo groups which can be functionalized for specific applications.

What precautions should be taken when handling 1,4-Diiodobutane (CAS: 628-21-7)?

Handling 1,4-Diiodobutane (CAS: 628-21-7) requires wearing appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. It should be handled in a fume hood to avoid inhalation. Spills should be cleaned up using appropriate absorbents and properly disposed of according to local regulations. Always consult the Material Safety Data Sheet (MSDS/SDS) for detailed safety information.