5-Methly-2-thiophenecarboxylic acid

Modify Date: 2024-01-10 20:10:04

5-Methly-2-thiophenecarboxylic acid Structure
5-Methly-2-thiophenecarboxylic acid structure
Common Name 5-Methly-2-thiophenecarboxylic acid
CAS Number 1918-79-2 Molecular Weight 142.176
Density 1.3±0.1 g/cm3 Boiling Point 274.7±20.0 °C at 760 mmHg
Molecular Formula C6H6O2S Melting Point 135-138 °C(lit.)
MSDS Chinese USA Flash Point 120.0±21.8 °C

 Names

Name 5-methylthiophene-2-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 274.7±20.0 °C at 760 mmHg
Melting Point 135-138 °C(lit.)
Molecular Formula C6H6O2S
Molecular Weight 142.176
Flash Point 120.0±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

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S22-S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2934999090

 Synthetic Route

 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%

 Synonyms

5-Methyl-2-thiophenecarboxylic acid
5-methyl-thiophene-2-carboxylic acid
5-methylthiophene-2-carboxylic acid
5-Methyl-2-thenoic Acid
5-Methly-2-thiophenecarboxylic acid
2-methylthiophene-5-carboxylic acid
MFCD00005439
5-Methyl-2-thiophene carboxylic acid
2-Carboxy-5-methylthiophene
EINECS 217-640-3
2-Thiophenecarboxylic acid, 5-methyl-
2-Thiophenecarboxylic acid,5-methyl
Rivaroxaban Impurity 32