Identification	More
[Name] 3-Methyl-2-thiophenecarboxylic acid
[CAS] 23806-24-8
[Synonyms] 3-METHYL-2-THENOIC ACID 3-METHYL-2-THIOPHENECARBOXYLIC ACID 3-METHYLTHIOPHENE-2-CARBOXYLIC ACID RARECHEM AL BO 0517 2-Thiophenecarboxylic acid, 3-methyl- 3-Methylthiophene-2-carboxylic 3-METHYL-2-THIOPHENECARBOXLIC ACID 3-METHYL-2-THIOPHENE CARBOXYLIC ACID CHLORIDE 3-Methylthiophene-2-carboxylic acid, 98+% 2-Carboxy-3-methylthiophene 3-Methyl-2-thiophenecarboxylic acid ,98%
[EINECS(EC#)] 245-894-5
[Molecular Formula] C6H6O2S
[MDL Number] MFCD00005438
[Molecular Weight] 142.18
[MOL File] 23806-24-8.mol

Chemical Properties	Back Directory
[Appearance] white to light yellow crystal powder
[Melting point ] 147-149 °C(lit.)
[Boiling point ] 229.75°C (rough estimate)
[density ] 1.365 (estimate)
[refractive index ] 1.5300 (estimate)
[storage temp. ] Keep in dark place,Sealed in dry,2-8°C
[form ] solid
[pka] 3.68±0.10(Predicted)
[color ] White to Light yellow to Light orange
[Detection Methods] HPLC,NMR
[BRN ] 116184
[CAS DataBase Reference] 23806-24-8(CAS DataBase Reference)
[NIST Chemistry Reference] 3-Methyl-2-thiophenecarboxylic acid(23806-24-8)

Safety Data	Back Directory
[Hazard Codes ] Xi
[Risk Statements ] R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ] S24/25:Avoid contact with skin and eyes .
[WGK Germany ] 3
[Hazard Note ] Irritant
[HazardClass ] IRRITANT
[HS Code ] 29349990

Raw materials And Preparation Products	Back Directory
[Raw materials] Acetone-->Chromium(VI) oxide-->3-Methyl-2-thiophenecarboxaldehyde-->1-(3-methylthiophen-2-yl)butan-1-one-->3-Methyl-2-propionylthiophene-->2-Acetyl-3-methylthiophene-->3-Methylthiophene-->Carbon dioxide-->Iodomethane
[Preparation Products] 3-METHYLTHIOPHENE-2-CARBONYL CHLORIDE-->4-Methyl-2-thiophenecarboxylic acid-->Carbamic acid, (3-methyl-2-thienyl)-, 1,1-dimethylethyl ester (9CI)-->RARECHEM AL BI 0178-->N-methoxy-N,3-dimethylthiophene-2-carboxamide

Material Safety Data Sheet(MSDS)	Back Directory
[msds information] 3-Methyl-2-thiophenecarboxylic acid(23806-24-8).msds

Hazard Information	Back Directory
[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.

Spectrum Detail	Back Directory
[Spectrum Detail] 3-Methyl-2-thiophenecarboxylic acid(23806-24-8)MS 3-Methyl-2-thiophenecarboxylic acid(23806-24-8)¹HNMR 3-Methyl-2-thiophenecarboxylic acid(23806-24-8)¹³CNMR 3-Methyl-2-thiophenecarboxylic acid(23806-24-8)IR1 3-Methyl-2-thiophenecarboxylic acid(23806-24-8)IR2 3-Methyl-2-thiophenecarboxylic acid(23806-24-8)Raman

Well-known Reagent Company Product Information	Back Directory
[Acros Organics] 3-Methyl-2-thiophenecarboxylic acid, 98%(23806-24-8)
[Alfa Aesar] 3-Methylthiophene-2-carboxylic acid, 98%(23806-24-8)
[Sigma Aldrich] 23806-24-8(sigmaaldrich)
[TCI AMERICA] 3-Methyl-2-thiophenecarboxylic Acid,>98.0%(T)(23806-24-8)

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