Tetrahydrofuran, standard substance for GC

- Synonyms: THF, Tetramethylene oxide, Oxolane
- C4H8O
- M = 72,11 g/mol
- CAS [109-99-9]
- EINECS-No.: 203-726-8
- Density: 0,89 g/cm3
- Solub. in water: (20 ºC): miscible
- Melting point: -108,5 ºC
- Boiling point: 65 - 66 ºC
- Flash pt. -21,5 ºC
- Ignition temp.: 215 ºC
- Vapour pressure: (20ºC) 173 hPa
- Refraction index: (n 20 ºC/D) 1,407
- Dielectric const.: (20 ºC) 7,4
- LD 50 (oral, rat): 1650 mg/kg
- EC-Index-No.: 603-025-00-0
- ADR: 3 F1 II UN 2056
- IMDG: 3 II UN 2056
- IATA/ICAO: 3 II UN 2056
- GHS-signal word: Danger
- GHS-H sentences: H225 - H319 - H351 - H335 - -
- GHS-P sentences: P210 - P303+P361+P353 - P305+P351+P338 - P370+P378 - P405 - P501a
- Tariff number: 2932 11 00 00
- Applications: solvents, synthesis of polymers, synthesis of organic products, for organometallic compounds synthesizing, for histology.

SPECIFICATIONS
assay: 99,9%
over ramp: 40ºC, 5ºC/min 120ºC, 30ºC/min 200 °C
identity: IR