Terephthalonitrile

Basic Information

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CAS Number

623-26-7

Molecular Formula

C8H4N2

Molecular Weight

17.03 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Nitriles

Basic Physical Properties

Melting Point

221-225 °C

Boiling Point

289.6°C at 760 mmHg

Density

1.3g/cm3(25℃)

Water Solubility

0.08 g/L (23 ºC)

Flash Point

142.8℃

Refractive Index

1.6231 (estimate)

SMILES

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N#Cc1ccc(C#N)cc1

InChI

InChI=1S/C8H4N2/c9-5-7-1-2-8(6-10)4-3-7/h1-4H

InChIKey

BHXFKXOIODIUJO-UHFFFAOYSA-N

LogP

0.16199999999999998

Topological Polar Surface Area

35.0 Å²

Hydrogen Bond Donor/Acceptor

3 / 1

Complexity

170

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 6.1(b) Class 6.1(b)

Stability

Stable. Incompatible with strong acids, strong bases, strong oxidizing agents, strong reducing agents.

Synonyms & References

English

1,4-Dicyanobenzene
Terephthaloyl nitrile
1,4-Dycyanobenzene
Terephthalodinitrile for synthesis
1,4-Benzendikarbonitril
Terephthalonitrile
1,4-BENZENEDICARBONITRILE
benzene-1,4-dicarbonitrile
p-Dicyanobenzene
p-Phthalodinitrile
4-Cyanobenzonitrile
1,4-Benzodinitrile
p-Benzenedinitrile
p-Pdn
Terephthalodinitrile
Tereftalodinitril
Terephthalic acid dinitrile
Tereftalonitril [Czech]
Tereftalodinitril [Czech]
Nitril kyseliny tereftalove
Terephthalodinitril [German]
1,4-Benzendikarbonitril [Czech]
Nitril kyseliny tereftalove [Czech]
E6

MDL Number

MFCD00001810

Customs Code

29269095

FAQ

What is Terephthalonitrile (CAS: 623-26-7)?

Terephthalonitrile, with the CAS number 623-26-7, is an organic compound consisting of a benzene ring substituted with two nitrile groups at the para positions. It is a white solid with high melting point and is commonly used as a precursor in the synthesis of various chemical compounds. Its chemical formula is C8H4N2.

What are the main uses of Terephthalonitrile (CAS: 623-26-7)?

Terephthalonitrile is primarily used in the production of polyamides and as a component in the synthesis of dyes, pharmaceuticals, and other industrial chemicals. It serves as an intermediate in the manufacture of high-performance materials and is also utilized in research for developing new compounds with specific functional properties.

Is Terephthalonitrile (CAS: 623-26-7) safe?

Terephthalonitrile is considered hazardous due to its potential to cause skin and eye irritation. It should be handled with appropriate personal protective equipment, such as gloves and safety goggles. Safety standards recommend avoiding inhalation and ensuring proper ventilation when working with this compound.

How should Terephthalonitrile (CAS: 623-26-7) be stored?

Terephthalonitrile should be stored in a cool, dry, and well-ventilated area, away from light. It is best kept in a sealed container to prevent moisture absorption and contamination. Storage conditions should maintain a temperature below 25°C and humidity levels below 60% to ensure stability and prolong shelf life.