2,3-Dibromobutane

Basic Information

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CAS Number

5408-86-6

Molecular Formula

C4H8Br2

Molecular Weight

215.92 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

-24°C

Boiling Point

157°C

Refractive Index

n20/D 1.5126(lit.)

SMILES

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CC(C(C)Br)Br

InChI

InChI=1S/C4H8Br2/c1-3(5)4(2)6/h3-4H,1-2H3

InChIKey

BXXWFOGWXLJPPA-UHFFFAOYSA-N

LogP

2.5532000000000004

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

30.5

Safety Information

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GHS Hazard Pictograms

H302

H312

H315

H319

H332

H335

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H312 Harmful in contact with skin
Acute toxicity, dermal

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H332 Harmful if inhaled
Acute toxicity, inhalation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 6.1(b) Class 6.1(b)

Stability

Stable. Incompatible with strong oxidizing agents. Combustible.

Synonyms & References

English

5408-86-6
EINECS 226-476-1
MFCD00000146
?2,3-DIBROMOBUTANE
rel-(2S,3S)-2,3-dibromobutane
CS-W014879
(+/-)-2,3-Dibromobutane, 98%
AKOS015913326
dl-2,3-Dibromobutane
J-802048
AS-10545
Butane,3-dibromo-, (R*,R*)-(.+-.)-
InChI=1/C4H8Br2/c1-3(5)4(2)6/h3-4H,1-2H
2,3-Dibromobutane, (+/-) + meso
dibromo butane
NSC 8414
NSC-245048
Butane,3-dibromo-, meso-
DTXSID70871128
Butane,3-dibromo-, (R*,S*)-
EN300-124518
D89609
Butane, 2,3-dibromo-
2,3-DIBROMOBUTANE
D0177
A829955
NS00043165
F0001-1420
Butane,3-dibromo-
starbld0004331
(.+-.)-2,3-Dibromobutane

MDL Number

MFCD00000146

Customs Code

2903399090

FAQ

What are the physical and chemical properties of 2,3-Dibromobutane (CAS: 5408-86-6)?

2,3-Dibromobutane (CAS: 5408-86-6) is a colorless to light yellow liquid with a molecular weight of approximately 193.93 g/mol. It has a low solubility in water but is soluble in organic solvents. Chemically, it is highly reactive due to the presence of bromine groups, making it prone to substitution reactions. It is crystalline at low temperatures and exhibits typical properties of a brominated alkane.

How is 2,3-Dibromobutane (CAS: 5408-86-6) typically synthesized?

2,3-Dibromobutane (CAS: 5408-86-6) is typically synthesized via the coupling of 1-bromobutane and hydrogen bromide. This reaction can be catalyzed by sulfuric acid, leading to a high yield and good selectivity. Additionally, the bromination of butene with bromine in the presence of a Lewis acid catalyst can also produce 2,3-dibromobutane.

What industries use 2,3-Dibromobutane (CAS: 5408-86-6)?

2,3-Dibromobutane (CAS: 5408-86-6) finds applications in various industries. It is used in pharmaceuticals for the synthesis of certain intermediates, in polymers as a monomer or modifier, in sensors for detecting organic compounds, and in semiconductors as a precursor in the manufacturing process. Its versatile chemical properties make it a valuable compound in these fields.

What precautions should be taken when handling 2,3-Dibromobutane (CAS: 5408-86-6)?

Handling 2,3-Dibromobutane (CAS: 5408-86-6) requires strict safety measures. It should be stored in a cool, dry place and kept away from heat and ignition sources. Protective equipment such as gloves, goggles, and a lab coat should be worn. Work should be conducted in a fume hood to minimize inhalation. In case of a spill, neutralize the area with water and dispose of waste according to local regulations. Always refer to the Safety Data Sheet (SDS) for detailed information on handling and disposal.