2,3-Dichloro-1-propene | CAS No. 78-88-6

Q: What are the physical and chemical properties of 2,3-Dichloro-1-propene (CAS: 78-88-6)?

2,3-Dichloro-1-propene (CAS: 78-88-6) is a colorless to light yellow liquid at room temperature. Its molecular weight is approximately 124.03 g/mol. It has a low water solubility (0.36 g/100 mL at 20°C). This compound is highly reactive and prone to hydrolysis and oxidation. It is flammable and exhibits strong reactivity with nucleophiles.

Q: How is 2,3-Dichloro-1-propene (CAS: 78-88-6) typically synthesized?

2,3-Dichloro-1-propene is typically synthesized by the chlorination of propylene using chlorine gas. The reaction is highly exothermic and requires careful temperature control. Catalysts such as HCl or BF3 are often used to improve selectivity and yield. The process yields 2,3-dichloropropene as a primary product with minor by-products.

Q: What industries use 2,3-Dichloro-1-propene (CAS: 78-88-6)?

2,3-Dichloro-1-propene is used in the pharmaceutical industry for intermediates and agricultural chemicals. It is also used in the polymer industry for the synthesis of certain polymerization initiators. Additionally, it is employed in the production of sensors and in semiconductor manufacturing for cleaning and etching processes.

Q: What precautions should be taken when handling 2,3-Dichloro-1-propene (CAS: 78-88-6)?

When handling 2,3-Dichloro-1-propene (CAS: 78-88-6), it is essential to use personal protective equipment (PPE) such as gloves, goggles, and a respirator. It should be stored in a well-ventilated area and handled in a fume hood. Spills should be cleaned up using appropriate absorbent materials, and the area should be properly ventilated. Safety data sheets (SDS) should be consulted for detailed information on safe handling and disposal.

2,3-Dichloro-1-propene

Basic Information

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CAS Number

78-88-6

Molecular Formula

C3H4Cl2

Molecular Weight

110.97 g/mol

Chemical Classification

Water Treatment Chemicals Disinfectants Chlorine Compounds

Basic Physical Properties

Melting Point

10 ºC

Boiling Point

94°C

Density

1.204 g/mL at 25 °C

Water Solubility

<0.1 g/100 mL at 22 ºC

Solubility

2.2g/l

Refractive Index

n20/D 1.461(lit.)

Vapor Pressure

44 mmHg ( 20 °C)

SMILES

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C=C(CCl)Cl

InChI

InChI=1S/C3H4Cl2/c1-3(5)2-4/h1-2H2

InChIKey

FALCMQXTWHPRIH-UHFFFAOYSA-N

LogP

1.9777

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

40.2

Safety Information

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Hazard Statement

H225 Highly Flammable liquid and vapor
Flammable liquids

H315 Causes skin irritation
Skin corrosion/irritation

H318 Causes serious eye damage
Serious eye damage/eye irritation

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

H341 Suspected of causing genetic defects
Germ cell mutagenicity

H412 Harmful to aquatic life with long lasting effects
Hazardous to the aquatic environment, long-term hazard

Hazard Class

Class 3 Class 3

Explosive Limit

7.8%

Synonyms & References

English

LS-1759
NSC 60520
2 3-Dichloropropene
HSDB 5222
2,3-dicloro-1-propeno
2,3-Dichloropropene
FT-0609537
2-Chloroallyl chloride
NCGC00091735-01
CAS-78-88-6
DTXSID6025012
1-Propene, 2,3-dichloro-
2-cloro cloroalil
EC 201-153-8
NSC60520
Propene23-dichloro-(8CI)
D0406
AMY4111
CCRIS 956
BRN 1361491
Tox21_200640
1,2-Dichloro-2-propene
C3H4Cl2
EINECS 201-153-8
UNII-370TNK5I41
Dichloropropene, 2,3-
Q27256607
SCHEMBL78819
Propylene, 2,3-dichloro
D97733
1,2-dichloroprop-2-ene

MDL Number

MFCD00000943

Customs Code

29032900

FAQ

What are the physical and chemical properties of 2,3-Dichloro-1-propene (CAS: 78-88-6)?

2,3-Dichloro-1-propene (CAS: 78-88-6) is a colorless to light yellow liquid at room temperature. Its molecular weight is approximately 124.03 g/mol. It has a low water solubility (0.36 g/100 mL at 20°C). This compound is highly reactive and prone to hydrolysis and oxidation. It is flammable and exhibits strong reactivity with nucleophiles.

How is 2,3-Dichloro-1-propene (CAS: 78-88-6) typically synthesized?

2,3-Dichloro-1-propene is typically synthesized by the chlorination of propylene using chlorine gas. The reaction is highly exothermic and requires careful temperature control. Catalysts such as HCl or BF3 are often used to improve selectivity and yield. The process yields 2,3-dichloropropene as a primary product with minor by-products.

What industries use 2,3-Dichloro-1-propene (CAS: 78-88-6)?

2,3-Dichloro-1-propene is used in the pharmaceutical industry for intermediates and agricultural chemicals. It is also used in the polymer industry for the synthesis of certain polymerization initiators. Additionally, it is employed in the production of sensors and in semiconductor manufacturing for cleaning and etching processes.

What precautions should be taken when handling 2,3-Dichloro-1-propene (CAS: 78-88-6)?

When handling 2,3-Dichloro-1-propene (CAS: 78-88-6), it is essential to use personal protective equipment (PPE) such as gloves, goggles, and a respirator. It should be stored in a well-ventilated area and handled in a fume hood. Spills should be cleaned up using appropriate absorbent materials, and the area should be properly ventilated. Safety data sheets (SDS) should be consulted for detailed information on safe handling and disposal.