5-Methyl-2-thiophenecarboxylic acid

Basic Information

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CAS Number

1918-79-2

Molecular Formula

C6H6O2S

Molecular Weight

142.18 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

135.0 to 139.0 deg-C

Boiling Point

274.7°C at 760 mmHg

Flash Point

120℃

Refractive Index

1.5300 (estimate)

SMILES

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CC1=CC=C(S1)C(=O)O

InChI

InChI=1S/C6H6O2S/c1-4-2-3-5(9-4)6(7)8/h2-3H,1H3,(H,7,8)

InChIKey

VCNGNQLPFHVODE-UHFFFAOYSA-N

LogP

1.75472

Topological Polar Surface Area

37.3 Å²

Hydrogen Bond Donor/Acceptor

1 / 2

Complexity

124

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

Hazard Class

Class IRRITANT Class IRRITANT

Synonyms & References

English

2-Methyl thiophen-5-carboxylic acid
AM20090123
CS-W004720
AKOS000118806
5-Methyl-2-thiophene carboxylic acid
CHEBI:194847
2-Methyl-5-thiophenecarboxylic acid
EN300-21259
5-methyl-2-thiopene carboxylic acid
M1118
5-methyl thiophene-2-carboxylic acid
5-methyl-2-thienoic acid
2-Thiophenecarboxylic acid, 5-methyl-
5-Methylthiophene-2-carboxylic acid
BS-3805
AB00425
SY001770
NSC89698
F11216
W-109000
5-Methylthiophene-2-carboxylicacid
FT-0601074
5-Methyl-2-thiophenecarboxylic acid (keto form)
5-methyl-2-thiophenecaboxylic acid
5-Methyl-2-thiophenecaroboxylic acid
F2191-0033
5-methyl-2-thiophenecarboxylic
BDBM50467735
5-Methyl-2-thiophenecarboxylic acid, 99%
GEO-01959
EINECS 217-640-3

MDL Number

MFCD00005439

Customs Code

2934999090

FAQ

What regulatory guidelines apply to 5-Methyl-2-thiophenecarboxylic acid (CAS: 1918-79-2)?

5-Methyl-2-thiophenecarboxylic acid (CAS: 1918-79-2) is subject to regulatory guidelines such as the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), REACH regulations in the European Union, and FDA/EPA requirements for its manufacture, import, and use. These guidelines ensure safe handling, storage, and disposal of the compound.

Are there alternatives to 5-Methyl-2-thiophenecarboxylic acid in synthesis?

Alternatives to 5-Methyl-2-thiophenecarboxylic acid (CAS: 1918-79-2) in synthesis include other thiophene derivatives and carboxylic acids with similar properties. For instance, 2-Thiophenecarboxylic acid and 3-Methyl-2-thiophenecarboxylic acid can be considered as potential substitutes, offering similar functionalities in various chemical reactions.

What is the market or research trend for 5-Methyl-2-thiophenecarboxylic acid (CAS: 1918-79-2)?

The market for 5-Methyl-2-thiophenecarboxylic acid (CAS: 1918-79-2) is driven by its applications in pharmaceuticals, agrochemicals, and advanced materials. Research trends indicate a growing interest in its use as a precursor for synthesizing biologically active compounds and in the development of new materials with enhanced properties. Price trends show stability, influenced by consistent demand and supply chain reliability.

How should waste containing 5-Methyl-2-thiophenecarboxylic acid (CAS: 1918-79-2) be handled?

Waste containing 5-Methyl-2-thiophenecarboxylic acid (CAS: 1918-79-2) should be collected in appropriate containers, ensuring containment to prevent environmental leakage. Proper incineration or professional waste disposal services are recommended for disposal. Environmental precautions include adhering to local waste management regulations and minimizing the release of contaminants into the environment.