5-Methly-2-thiophenecarboxylic acid

Names

[ CAS No. ]:
1918-79-2

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

[Synonym ]:
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

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

MSDS

Click to get detail MSDS

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

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

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%