Methyl 3-oxotetrahydrothiophene-2-carboxylate , 97%(GCMS) , 2689-69-2

CAS NO.：2689-69-2

Empirical Formula: C6H8O3S

Molecular Weight: 160.19

MDL number: MFCD00156156

EINECS: 220-257-4

PRODUCT Properties

• Melting point: 38 °C (lit.)
• Boiling point: 232-254 °C/0.1 mmHg (lit.)
• Density: 1.281 g/mL at 1.281 °C (lit.)
• refractive index: n20/D 1.511(lit.)
• Flash point: >230 °F
• storage temp.: 2-8°C
• form: Liquid
• pka: 11.11±0.20(Predicted)
• Appearance: Off-white to light yellow <38°C Solid,>38°C Liquid
• Water Solubility: Slightly soluble in water.
• EPA Substance Registry System: 2-Thiophenecarboxylic acid, tetrahydro-3-oxo-, methyl ester (2689-69-2)

Description and Uses

Methyl 3-oxotetrahydrothiophene-2-carboxylate is used in the production of dihydro-thiophen-3-one.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302-H319
• Precautionary statements: P264-P270-P280-P301+P312-P305+P351+P338-P337+P313
• Hazard Codes: Xn
• Risk Statements: 22-36
• Safety Statements: 26-36/37
• WGK Germany: 3
• HS Code: 2934999090