Thiophene-2-carboxylic acid

Names

[ CAS No. ]:
527-72-0

[ Name ]:
Thiophene-2-carboxylic acid

[Synonym ]:
2-Thiophenecarboxylic acid
thiophenic acid
thiofuroic acid
Thiophene-2-carboxylic acid
MFCD00005437
2-Thenoic Acid
THIOPHENECARBOXYLIC ACID
EINECS 208-423-4
2-Thiophenic acid
a-Thiophenecarboxylic Acid

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
260.0±0.0 °C at 760 mmHg

[ Melting Point ]:
125-127 °C(lit.)

[ Molecular Formula ]:
C₅H₄O₂S

[ Molecular Weight ]:
128.149

[ Flash Point ]:
117.8±19.8 °C

[ Exact Mass ]:
127.993202

[ PSA ]:
65.54000

[ LogP ]:
1.57

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.607

[ Water Solubility ]:
80 g/L (20 ºC)

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XM8330200

CHEMICAL NAME :: 2-Thiophenecarboxylic acid

CAS REGISTRY NUMBER :: 527-72-0

BEILSTEIN REFERENCE NO. :: 0110150

LAST UPDATED :: 199709

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C5-H4-O2-S

MOLECULAR WEIGHT :: 128.15

WISWESSER LINE NOTATION :: T5SJ BVQ

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 :: 1670 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

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

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36-S37/39

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
XM8330200

[ HS Code ]:
2934999090

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%

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