5-Methly-2-thiophenecarboxylic acid

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Names

[ CAS No. ]:
14282-78-1

[ Name ]:
5-Methly-2-thiophenecarboxylic acid

[Synonym ]:
5-Methyl-2-thiophenecarboxylic acid
5-methylthiophene-2-carboxylic acid
4-Methyl-2-thiophenecarboxylic acid
2-Thiophenecarboxylic acid, 4-methyl-
5-Methly-2-thiophenecarboxylic acid
4-Methyl-thiophene-2-carboxylic acid
4-METHYLTHIOPHENE-2-CARBOXYLIC ACID
2-Thiophenecarboxylic acid, 5-methyl-
MFCD00089284

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
277.2±20.0 °C at 760 mmHg

[ Melting Point ]:
122-126 °C(lit.)

[ Molecular Formula ]:
C6H6O2S

[ Molecular Weight ]:
142.176

[ Flash Point ]:
121.5±21.8 °C

[ Exact Mass ]:
142.008850

[ PSA ]:
65.54000

[ LogP ]:
2.03

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.591

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H317-H319

[ Precautionary Statements ]:
P280-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36

[ Safety Phrases ]:
S26-S37/39

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Carbon dioxide
  • 3-Methylthiophene
  • carbon monoxide
  • METHYL4-METHYLTHIOPHENE-2-CARBOXYLATE
  • 4-methyl-2-acetylthiophene
  • 1-(4-methyl-[2]thienyl)-propan-1-one
  • N,N-Dimethylformamide
  • 4-Methyl-2-thiophenecarbaldehyde

DownStream

  • 4-methylthiophene-2-carbonyl chloride
  • 5-Bromo-3-methyl-2-thiophenecarboxylic acid
  • 2-isocyanato-4-methylthiophene
  • METHYL4-METHYLTHIOPHENE-2-CARBOXYLATE
  • 4-methyl-3-penten-1-ol
  • 4-Methyl-2-thiophenecarbaldehyde
  • (4-methylthiophen-2-yl)methanol
  • 4-Methylpentanoic acid
  • Thiophene, 3-methyl-2-nitro- (6CI, 8CI, 9CI)

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 5-Methly-2-thiophenecarboxylic acid
  • 5-Formyl-2-thiophenecarboxylic acid
  • 5-Methyl-2-thiophenecarboxylic acid hydrazide
  • 5-Ethyl-2-thiophenecarboxylic acid
  • 5-Hexyl-2-thiophenecarboxylic acid
  • 5-(TRIMETHYLSILYL)-2-THIOPHENECARBOXYLIC ACID
  • 2,5-Dimethoxy-I+/--(1-methylbutyl)benzenemethanamine
  • 1-(2,4-Difluorophenyl)-4-methylpentan-1-amine
  • N-[3-[(1-Methylhexyl)amino]phenyl]acetamide
  • 1-(Morpholine-4-sulfonyl)piperidin-3-amine
  • 1-((3,5-Dimethyl-1H-pyrazol-4-yl)sulfonyl)piperidin-3-amine
  • [(Tert-butylcarbamoyl)amino](phenyl)acetic acid
  • 1-(Tert-butylcarbamoyl)piperidine-2-carboxylic acid
  • 2-[[(Butylamino)carbonyl]amino]-4-(methylsulfonyl)butanoic acid
  • 1-(3-Bromo-4-tert-butylphenyl)ethanone
  • N,N-Diethyltetrahydro-2-furanmethanamine
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