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1918-79-2

1918-79-2 Structure

1918-79-2 Structure
IdentificationMore
[Name]

5-Methyl-2-thiophenecarboxylic acid
[CAS]

1918-79-2
[Synonyms]

5-METHYL-2-THENOIC ACID
5-METHYL-2-THIOPHENECARBOXYLIC ACID
5-METHYLTHIOPHENE-2-CARBOXYLIC ACID
AKOS B000091
RARECHEM AL BE 0181
TIMTEC-BB SBB004146
2-Carboxy-5-methylthiophene
2-Methyl-5-thiophenecarboxylic acid
2-Thiophenecarboxylic acid, 5-methyl-
5-Methyl-2-thiophenecaroboxylic acid
5-Methylthiophen-2-carboxylic acid
5-Methyl-2-thiopene carboxylic acid
5-METHLY-2-THIOPHENECARBOXYLIC ACID
5-METHYLTHIOPHENE-2-CARBOXYLIC ACID, 98.5%
5-Methylthiophene-2-carboxylic acid, 98+%
[EINECS(EC#)]

217-640-3
[Molecular Formula]

C6H6O2S
[MDL Number]

MFCD00005439
[Molecular Weight]

142.18
[MOL File]

1918-79-2.mol
Chemical PropertiesBack Directory
[Appearance]

BEIGE CRYSTALLINE POWDER
[Melting point ]

135-138 °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 ]

Liquid
[pka]

3.71±0.10(Predicted)
[color ]

Clear
[BRN ]

113857
[CAS DataBase Reference]

1918-79-2(CAS DataBase Reference)
[NIST Chemistry Reference]

5-Methyl-2-thiophenecarboxylic acid (keto form)(1918-79-2)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
[WGK Germany ]

3
[HazardClass ]

IRRITANT
[HS Code ]

29309090
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

5-Methyl-2-thiophenecarboxylic acid(1918-79-2).msds
Hazard InformationBack Directory
[Chemical Properties]

BEIGE CRYSTALLINE POWDER
[Definition]

ChEBI: 5-Methyl-2-thiophenecarboxylic acid is a thiophenecarboxylic acid.
[Synthesis Reference(s)]

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

5-Methyl-2-thiophenecarboxylic acid(1918-79-2)1HNMR
5-Methyl-2-thiophenecarboxylic acid(1918-79-2)13CNMR
5-Methyl-2-thiophenecarboxylic acid(1918-79-2)IR1
5-Methyl-2-thiophenecarboxylic acid(1918-79-2)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

5-Methyl-2-thiophenecarboxylic acid, 99%(1918-79-2)
[Alfa Aesar]

5-Methylthiophene-2-carboxylic acid, 98+%(1918-79-2)
[Sigma Aldrich]

1918-79-2(sigmaaldrich)
[TCI AMERICA]

5-Methyl-2-thiophenecarboxylic Acid,>95.0%(T)(1918-79-2)
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