1,4-Dichloro-2-butyne

Basic Information

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CAS Number

821-10-3

Molecular Formula

C4H4Cl2

Molecular Weight

64.52 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Nitriles

Basic Physical Properties

Melting Point

-34.5

Boiling Point

166°C

Density

1.258 g/mL at 25 °C

Refractive Index

n20/D 1.505(lit.)

SMILES

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C(C#CCCl)Cl

InChI

InChI=1S/C4H4Cl2/c5-3-1-2-4-6/h3-4H2

InChIKey

RCHDLEVSZBOHOS-UHFFFAOYSA-N

LogP

1.2451

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

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

Hazard Class

Class 9 Class 9

Sensitiveness

Light Sensitive

Synonyms & References

English

SCHEMBL246902
1,4-dichloro-2-butine
1,4 dichloro-2-butyne
1,4-Dichloro-2-butyne, 99%
AKOS005255095
H11321
A840249
9QW8CV4W9J
AS-17820
NSC 30603
BRN 0635740
1,4-Dichlorobutyne
SB38873
NS00038166
AI3-26930
1,4-Dichlorobut-2-yne
CS-W013542
EN300-129543
DTXSID0061165
2-Butyne,4-dichloro-
FT-0606860
2-Butyne, 1,4-dichloro-
WLN: G2UU2G
NSC30603
MFCD00000981
4-01-00-00973 (Beilstein Handbook Reference)
1,4-dichloro-but-2-yne
F0001-2105
EINECS 212-474-8
NSC-30603
821-10-3

MDL Number

MFCD00000981

Customs Code

29032900

FAQ

What is 1,4-Dichloro-2-butyne (CAS: 821-10-3)?

1,4-Dichloro-2-butyne is an organic compound with the chemical formula C5H4Cl2. It is a colorless liquid with a strong odor. This compound is highly reactive and is used in organic synthesis and as a starting material for the production of other chlorinated hydrocarbons.

What are the main uses of 1,4-Dichloro-2-butyne (CAS: 821-10-3)?

1,4-Dichloro-2-butyne is primarily used in the synthesis of other chlorinated hydrocarbons and in the production of pharmaceuticals. It serves as a precursor in the chemical industry for the manufacture of various organic compounds, due to its reactivity with other molecules.

Is 1,4-Dichloro-2-butyne (CAS: 821-10-3) safe?

1,4-Dichloro-2-butyne is highly toxic and should be handled with extreme caution. It is flammable and reacts vigorously with many substances, posing a risk of fire and explosion. Proper protective equipment, such as gloves, goggles, and a face mask, should be worn when handling this compound. Storage and handling should comply with safety data sheet (SDS) guidelines.

How should 1,4-Dichloro-2-butyne (CAS: 821-10-3) be stored?

1,4-Dichloro-2-butyne should be stored in a cool, dry place away from direct sunlight and heat sources. It must be kept in a tightly sealed container to prevent evaporation and contamination. The storage area should be well-ventilated and away from incompatible materials such as oxidizers, acids, and alcohols. Proper labeling and segregation are essential for safety.