71050-40-3

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71050-40-3 Structure

Identification	Back Directory
[Name] 4-METHOXYTHIOPHENE-3-CARBOXYLIC ACID
[CAS] 71050-40-3
[Synonyms] 3-Carboxy-4-methoxythiophene 4-Methoxy-3-thiophenecarboxylic acid 4-METHOXYTHIOPHENE-3-CARBOXYLIC ACID 4-Methoxythiophene-3-carboxylic acid, 95+%
[Molecular Formula] C6H6O3S
[MDL Number] MFCD00067997
[MOL File] 71050-40-3.mol
[Molecular Weight] 158.18

Chemical Properties	Back Directory
[Melting point ] 105 °C
[Boiling point ] 295.7±20.0 °C(Predicted)
[density ] 1.370±0.06 g/cm3(Predicted)
[storage temp. ] 2-8°C(protect from light)
[form ] powder
[pka] 3.96±0.20(Predicted)
[color ] Beige/pale grey
[InChI] 1S/C6H6O3S/c1-9-5-3-10-2-4(5)6(7)8/h2-3H,1H3,(H,7,8)
[InChIKey] KEYPLCJVNVJJQK-UHFFFAOYSA-N
[SMILES] COc1cscc1C(O)=O

Questions And Answer	Back Directory
[Uses] 4-Methoxythiophene-3-carboxylic acid is a carboxylic acid derivative that can be used as an intermediate in organic synthesis.

Safety Data	Back Directory
[Symbol(GHS) ] GHS07
[Signal word ] Warning
[Hazard statements ] H315-H319
[Precautionary statements ] P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
[Hazard Codes ] Xi
[Risk Statements ] 36/37/38
[Safety Statements ] 26-36/37/39
[WGK Germany ] WGK 3
[HS Code ] 2934999090
[Storage Class] 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects
[Hazard Classifications] Acute Tox. 3 Oral

Raw materials And Preparation Products	Back Directory
[Raw materials] Methanol-->Diethyl ether-->Dichloromethane-->Potassium hydroxide-->p-Toluenesulfonic acid-->Dimethyl sulfoxide-->Sodium Methoxide-->Methyl acrylate-->Sulfuryl chloride-->Methyl thioglycolate-->Isopropenyl acetate

Hazard Information	Back Directory
[Definition] ChEBI: 4-Methoxythiophene-3-carboxylic acid is a thiophenecarboxylic acid.

Spectrum Detail	Back Directory
[Spectrum Detail] 4-METHOXYTHIOPHENE-3-CARBOXYLIC ACID(71050-40-3)¹HNMR

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