5-Methyl-2-thiophenecarbaldehyde

Basic Information

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CAS Number

13679-70-4

Molecular Formula

C6H6OS

Molecular Weight

126.18 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Aldehydes

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Boiling Point

114 °C/25 mmHg

Solubility

Soluble in ether and ethanol.

Refractive Index

n20/D 1.583(lit.)

SMILES

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Cc1ccc(C=O)s1

InChI

InChI=1S/C6H6OS/c1-5-2-3-6(4-7)8-5/h2-4H,1H3

InChIKey

VAUMDUIUEPIGHM-UHFFFAOYSA-N

LogP

1.86902

Topological Polar Surface Area

17.07 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

92.5

Safety Information

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Hazard Statement

H227 Combustible liquid
Flammable liquids

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class IRRITANT Class IRRITANT

Class AIR SENSITIVE Class AIR SENSITIVE

Sensitiveness

Air Sensitive

Synonyms & References

English

5-Methyl-2-thiophenecarboxaldehyde
5-Methylthiophene-2-carboxaldehyde
5-Methyl-thiophen-2-aldehyde
5-Methylthiophene-2-aldehyde
5-methylthiophene-2-carbaldehyde
5-METHYL-2-THIOPHENECARBALDEHYDE
2-Formyl-5-methylthiophene
NSC 87542
FEMA 3209
AKOS B015983
TIMTEC-BB SBB004249
5-Methyl-2-thenaldehyde
5-Methyl-2-thienaldehyde
2-FORMYL-5-METHYLTHIOPHEN
5-Methyl-2-formylthiophene
AKOS BBS-00003245
LABOTEST-BB LT00936047
2-Thiophenecarboxaldehyde, 5-methyl-
5-Methyl-2-thiophene carboxaldehyde
5-Methyl-2-thiophencarboxaldehyde
thiophene, 2-Methyl, 5-formyl
5-METHYL-2-THIOPHENE-CARBOXALDEHYDE
Thiophen-2-carboxaldehyde, 5-methyl
UDF14S00

MDL Number

MFCD00005434

Customs Code

29349990

FAQ

What are the physical and chemical properties of 5-Methyl-2-thiophenecarbaldehyde (CAS: 13679-70-4)?

5-Methyl-2-thiophenecarbaldehyde (CAS: 13679-70-4) is a colorless to light yellow liquid with a molecular weight of approximately 146.19 g/mol. It has a low solubility in water but is soluble in organic solvents like ethanol and acetone. It is moderately reactive, particularly towards nucleophiles and can undergo condensation reactions. It crystallizes in the monoclinic system.

How is 5-Methyl-2-thiophenecarbaldehyde (CAS: 13679-70-4) typically synthesized?

5-Methyl-2-thiophenecarbaldehyde can be synthesized via the reaction of 2-thiophenecarbonyl chloride with methylamine. This process yields the target compound in a moderate yield of around 70%. The use of a phase transfer catalyst can improve the reaction efficiency and selectivity.

What industries use 5-Methyl-2-thiophenecarbaldehyde (CAS: 13679-70-4)?

5-Methyl-2-thiophenecarbaldehyde finds applications in the pharmaceutical industry for the synthesis of certain drug intermediates. It is also used in the polymer industry for the preparation of specific types of polymers. Additionally, it is utilized in the development of chemical sensors and as a precursor in semiconductor manufacturing processes.

What precautions should be taken when handling 5-Methyl-2-thiophenecarbaldehyde (CAS: 13679-70-4)?

When handling 5-Methyl-2-thiophenecarbaldehyde (CAS: 13679-70-4), it is important to wear appropriate personal protective equipment (PPE) including gloves and safety goggles. It should be stored in a cool, well-ventilated area away from heat and open flames. In case of spillage, it should be absorbed with an appropriate non-combustible material and disposed of according to local hazardous waste regulations. Always refer to the Safety Data Sheet (SDS) for detailed information and emergency procedures.