1-Chloro-4-ethynylbenzene

Basic Information

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CAS Number

873-73-4

Molecular Formula

C8H5Cl

Molecular Weight

159.23 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Nitriles

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Physical State

Pale-yellow to Yellow-brown Solid

Melting Point

45.0 to 49.0 deg-C

Boiling Point

60°C/11mmHg

Density

1.1500

Water Solubility

Insoluble in water. Soluble in acetone, chloroform, dichloromethane, DMF, DMSO, ethanol, ethyl acetate, hexane, methanol,THF and toluene.

Refractive Index

1.564

SMILES

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Clc1ccc(C#C)cc1

InChI

InChI=1S/C8H5Cl/c1-2-7-3-5-8(9)6-4-7/h1,3-6H

InChIKey

LFZJRTMTKGYJRS-UHFFFAOYSA-N

LogP

2.32130

Complexity

123

Safety Information

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Hazard Statement

H228 Flammable solid
Flammable solids

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 4.1 Class 4.1

Stability

Light Sensitive

Synonyms & References

English

1-Chloro-4-ethynylbenzene
4-Chlorophenylacetylene
4'-Chlorophenyl acetylene
(4-CHLOROPHENYL)-ACETYLEN
(4-CHLORPHENYL)-ACETYLEN
1-CHLORO-4-ETHYNYL-BENZENE
4-Chlorophenylacetylen
BENZENE, 1-CHLORO-4-ETHYNYL-
TRANS-4-(4-ETHYLCYCLOHEXYL)-PHENYL ACETYLENE
4-Chlorophenylcaetylene
(4-Chlorophenyl)acetylene
p-chlorophenylacetylene
(p-Chlorophenyl)acetylene
LFZJRTMTKGYJRS-UHFFFAOYSA-N
p-Ethynylchlorobenzene
chloro-4-ethynylbenzene
4-chloro-ethynylbenzene
p-chlorophenyl-acetylene
4-chlorophenyl acetylene
4-chlorophenyl-acetylene
para-chlorophenylacetylene
4-chloro-1-ethynylbenzene
1-ethynyl-4-
1-Chloro-4-ethynylbenzene (ACI)
(4-Chlorophenyl)ethyne
(p-Chlorophenyl)ethyne
1-(4-Chlorophenyl)ethyne
1-Ethynyl-4-chlorobenzene
4-Chloro-1-ethynylbenzene
4-Chloroethynylbenzene

MDL Number

MFCD00191917

Customs Code

2903999090

FAQ

What is 1-Chloro-4-ethynylbenzene (CAS: 873-73-4)?

1-Chloro-4-ethynylbenzene is an organic compound with the chemical formula C7H5ClC2H2. It is a colorless to light yellow liquid with a strong, unpleasant odor. This compound is used in various industries for its unique chemical properties.

What are the main uses of 1-Chloro-4-ethynylbenzene (CAS: 873-73-4)?

1-Chloro-4-ethynylbenzene is primarily used in the synthesis of pharmaceuticals and dyes. It serves as a key intermediate in the manufacturing of various organic compounds, contributing to the development of new drugs and colorants.

Is 1-Chloro-4-ethynylbenzene (CAS: 873-73-4) safe?

1-Chloro-4-ethynylbenzene is potentially toxic and requires appropriate handling. Exposure to skin or inhalation can be harmful. Adequate personal protective equipment (PPE) such as gloves and goggles should be worn. Storage should follow strict safety guidelines to prevent accidental ingestion or inhalation.

How should 1-Chloro-4-ethynylbenzene (CAS: 873-73-4) be stored?

1-Chloro-4-ethynylbenzene should be stored in a cool, dry place away from direct sunlight and heat sources. Use a tightly sealed container and avoid contact with water or air to maintain stability. Keep it out of reach of children and ensure proper labeling for easy identification.