ChemicalBook > CAS DataBase List > 3-Methyl-2-thiophenecarboxylic acid

3-Methyl-2-thiophenecarboxylic acid

Product Name: 3-Methyl-2-thiophenecarboxylic acid
CAS No.: 23806-24-8
Chemical Name: 3-Methyl-2-thiophenecarboxylic acid
Synonyms: RARECHEM AL BO 0517;3-METHYL-2-THENOIC ACID;2-Carboxy-3-methylthiophene;3-Methylthiophene-2-carboxylic;3-METHYL-2-THIOPHENECARBOXLIC ACID;-Methylthiophene-2-carboxylic acid;3-METHYL-2-THIOPHENECARBOXYLIC ACID;3-METHYLTHIOPHENE-2-CARBOXYLIC ACID;2-Thiophenecarboxylic acid, 3-methyl-;3-Methyl-2-thiophenecarboxylicAcid>
CBNumber: CB9269022
Molecular Formula: C6H6O2S
Formula Weight: 142.18
MOL File: 23806-24-8.mol

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3-Methyl-2-thiophenecarboxylic acid Property

Melting point:: 147-149 °C(lit.)
Boiling point:: 229.75°C (rough estimate)
Density: 1.365 (estimate)
refractive index: 1.5300 (estimate)
storage temp.: 2-8°C(protect from light)
form: solid
pka: 3.68±0.10(Predicted)
color: White to Light yellow to Light orange
BRN: 116184
InChI: InChI=1S/C6H6O2S/c1-4-2-3-9-5(4)6(7)8/h2-3H,1H3,(H,7,8)
InChIKey: IFLKEBSJTZGCJG-UHFFFAOYSA-N
SMILES: C1(C(O)=O)SC=CC=1C
CAS DataBase Reference: 23806-24-8(CAS DataBase Reference)
NIST Chemistry Reference: 3-Methyl-2-thiophenecarboxylic acid(23806-24-8)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 24/25
WGK Germany: 3
HazardClass: IRRITANT
HS Code: 29349990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 248207
Product name: 3-Methyl-2-thiophenecarboxylic acid
Purity: 98%
Packaging: 5g
Price: $22.32
Updated: 2025/07/31

TCI Chemical

Product number: M1459
Product name: 3-Methyl-2-thiophenecarboxylic Acid
Purity: >98.0%(T)
Packaging: 5g
Price: $16
Updated: 2025/07/31

TCI Chemical

Product number: M1459
Product name: 3-Methyl-2-thiophenecarboxylic Acid
Purity: >98.0%(T)
Packaging: 25g
Price: $50
Updated: 2025/07/31

TRC

Product number: M725543
Product name: 3-Methylthiophene-2-carboxylicAcid
Packaging: 50mg
Price: $45
Updated: 2021/12/16

Frontier Specialty Chemicals

Product number: JK134766
Product name: 3-Methyl-2-thiophenecarboxylic Acid
Purity: 98%
Packaging: 25g
Price: $173
Updated: 2021/12/16

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3-Methyl-2-thiophenecarboxylic acid Chemical Properties,Usage,Production

Chemical Properties

white to light yellow crystal powder

Synthesis Reference(s)

The Journal of Organic Chemistry, 28, p. 914, 1963 DOI: 10.1021/jo01039a008
Tetrahedron Letters, 26, p. 1777, 1985 DOI: 10.1016/S0040-4039(00)98336-9

General Description

3-Methyl-2-thiophenecarboxylic acid has been used in the synthesis of zinc and cadmium carboxylate complexes.

3-Methyl-2-thiophenecarboxylic acid Preparation Products And Raw materials

Raw materials

Acetone Chromium(VI) oxide 3-Methyl-2-thiophenecarboxaldehyde

Preparation Products

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View Lastest Price from 3-Methyl-2-thiophenecarboxylic acid manufacturers

Shanghai Rlavie Technology Co ltd

Product: 3-Methylthiophene-2-carboxylic acid 23806-24-8
Price: US $0.00-0.00/KG
Min. Order: 1g
Purity: 98%minHPLC
Supply Ability: 100kgs/month
Release date: 2021-11-17

Hebei Zhanyao Biotechnology Co. Ltd

Product: 3-Methyl-2-thiophenecarboxylic acid 23806-24-8
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20 Tons
Release date: 2021-10-14

Honest Joy Holdings Limited

Product: 3-Methylthiophene-2-carboxylic acid 23806-24-8
Price: US $0.00/KG
Min. Order: 1KG
Purity: 97.7%
Supply Ability: 100 tons
Release date: 2022-01-26

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3-Methyl-2-thiophenecarboxylic acid ISO 9001：2015 REACH

23806-24-8

ARYL ACID

Heterocyclic Building Blocks

Thiophenes

Building Blocks

C4 to C6

Chemical Synthesis

Heterocyclic Building Blocks

Thiophenes & Benzothiophenes

Building Blocks

Heterocyclic Building Blocks

Thiophenes

Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts

pharmacetical

Carboxylic Acids

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Thiophene&Benzothiophene

Organic acids

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