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
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
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%