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ChemicalBook--->CAS DataBase List--->14282-78-1

14282-78-1

14282-78-1 Structure

14282-78-1 Structure
IdentificationMore
[Name]

4-Methyl-2-thiophenecarboxylic acid
[CAS]

14282-78-1
[Synonyms]

4-METHYLTHIOPHENE-2-CARBOXYLIC ACID
ASINEX-REAG BAS 07664671
BUTTPARK 99\15-30
[Molecular Formula]

C6H6O2S
[MDL Number]

MFCD00089284
[Molecular Weight]

142.18
[MOL File]

14282-78-1.mol
Chemical PropertiesBack Directory
[Appearance]

white to light yellow crystal powder
[Melting point ]

122-126 °C(lit.)
[Boiling point ]

158 °C(Press: 16 Torr)
[density ]

1.319±0.06 g/cm3(Predicted)
[storage temp. ]

Keep in dark place,Sealed in dry,Room Temperature
[pka]

3.76±0.10(Predicted)
[CAS DataBase Reference]

14282-78-1(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36:Irritating to the eyes.
R43:May cause sensitization by skin contact.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37/39:Wear suitable gloves and eye/face protection .
[WGK Germany ]

3
[Hazard Note ]

Irritant
[HazardClass ]

IRRITANT
[HS Code ]

29349990
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Diethyl ether-->Sodium-->1-Bromobutane-->2-Methylthiophene-->3-Methyl-2-thiophenecarboxylic acid-->3-Methylthiophene-->carbon monoxide-->Carbon dioxide
Hazard InformationBack Directory
[Chemical Properties]

white to light yellow crystal powder
[Synthesis Reference(s)]

Chemistry Letters, 12, p. 127, 1983
Tetrahedron Letters, 15, p. 2373, 1974 DOI: 10.1016/S0040-4039(01)92259-2
Spectrum DetailBack Directory
[Spectrum Detail]

4-Methyl-2-thiophenecarboxylic acid(14282-78-1)MS
4-Methyl-2-thiophenecarboxylic acid(14282-78-1)1HNMR
4-Methyl-2-thiophenecarboxylic acid(14282-78-1)IR1
4-Methyl-2-thiophenecarboxylic acid(14282-78-1)IR2
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

4-methylthiophene-2-carboxylic acid(14282-78-1)
[Sigma Aldrich]

14282-78-1(sigmaaldrich)
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