Terephthalaldehyde

Basic Information

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CAS Number

623-27-8

Molecular Formula

C8H6O2

Molecular Weight

134.13 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Aldehydes

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

114-116 °C

Boiling Point

245-248 °C

Density

1.060

Water Solubility

3 g/L (50 ºC)

Solubility

3g/l

Refractive Index

1.4800 (estimate)

SMILES

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O=Cc1ccc(C=O)cc1

InChI

InChI=1S/C8H6O2/c9-5-7-1-2-8(6-10)4-3-7/h1-6H

InChIKey

KUCOHFSKRZZVRO-UHFFFAOYSA-N

LogP

1.3115999999999999

Topological Polar Surface Area

34.14 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

107

Safety Information

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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

Sensitiveness

Air Sensitive

Synonyms & References

English

Terephthalaldehyde
Benzene-1,4-dicarboxaldehyde
Terephthaldicarbo
p-Phthalaldehdye
p-Phthaldialdehyde
P-phthalaldehyde
1,4-Benzenedicarboxaldehyde
1,4-Phthalaldehyde
Terephthaldicarboxaldehyde
terephthalic aldehyde
1,4-Dialdehydobenzene
1,4-DiforMylbenzene
Benzene-1,4-dialdehyde
-phthalaldehyde
Terephthaldialdehyde
Terephthaldicarboxaldehyde
TPA
对苯二甲醛

MDL Number

MFCD00006949

Customs Code

2912299000

FAQ

What is Terephthalaldehyde (CAS: 623-27-8)?

Terephthalaldehyde is an organic compound with the chemical formula C8H6O2. It is a white crystalline solid known for its aromatic structure and aldehyde functional group. This compound is highly reactive and soluble in organic solvents, making it useful in various chemical applications. It is commonly used as an intermediate in the synthesis of pharmaceuticals and dyes.

What are the main uses of Terephthalaldehyde (CAS: 623-27-8)?

Terephthalaldehyde is primarily used in the pharmaceutical industry for synthesizing drugs and as a reagent in organic chemistry. It also finds applications in the production of dyes and pigments. In research settings, it serves as a valuable compound for studying chemical reactivity and as a building block for more complex molecules. Its versatility makes it a key component in multiple industrial processes.

Is Terephthalaldehyde (CAS: 623-27-8) safe?

Terephthalaldehyde is considered hazardous and requires careful handling. It may cause skin and eye irritation, and its vapors can be harmful if inhaled. Protective equipment such as gloves, goggles, and a fume hood is recommended when working with this compound. Safety standards emphasize proper ventilation and avoiding prolonged exposure to ensure safe usage in laboratories and industrial environments.

How should Terephthalaldehyde (CAS: 623-27-8) be stored?

Terephthalaldehyde should be stored in a cool, dry, and dark place, ideally at temperatures below 25°C. It is sensitive to moisture and light, so it must be kept in a tightly sealed container. Storage in a well-ventilated area is recommended to prevent the buildup of volatile compounds. Keeping it away from incompatible materials ensures stability and safety during long-term storage.