5-Methyl-3-thiophenecarboxylic acid

Names

[ CAS No. ]:
19156-50-4

[ Name ]:
5-Methyl-3-thiophenecarboxylic acid

[Synonym ]:
5-Methyl-3-thiophenecarboxylic acid
3-Thiophenecarboxylic acid, 5-methyl-
5-Methylthiophene-3-carboxylic acid

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
274.7±20.0 °C at 760 mmHg

[ Melting Point ]:
131-132 °C

[ Molecular Formula ]:
C₆H₆O₂S

[ Molecular Weight ]:
142.176

[ Flash Point ]:
120.0±21.8 °C

[ Exact Mass ]:
142.008850

[ PSA ]:
65.54000

[ LogP ]:
1.96

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

[ Index of Refraction ]:
1.591

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XM8475000

CHEMICAL NAME :: 3-Thiophenecarboxylic acid, 5-methyl-

CAS REGISTRY NUMBER :: 19156-50-4

BEILSTEIN REFERENCE NO. :: 0002475

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C6-H6-O2-S

MOLECULAR WEIGHT :: 142.18

WISWESSER LINE NOTATION :: T5SJ B1 DVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1300 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: THERAP Therapie. (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris, France) V.1- 1946- Volume(issue)/page/year: 26,831,1971

Safety Information

[ Hazard Codes ]:
Xi

[ 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%