Tetrahydrofuran, for analysis, ExpertQ®, ACS, Reag. Ph Eur, stabilized with 250 ppm of 2,6-Di-tert-butyl-4-methylphenol (BHT)
- 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 (G.C.): min. 99,8 %
identity (IR-spectrum): passes test
density (20º/4º): 0,887 - 0,889
density (20º/20º): 0,889 - 0,891
colour (Hazen): max. 10
appearance: clear
acidity: max. 0,0003 meq/g
alkalinity: max. 0,0002 meq/g
aluminium (Al): max. 0,5 ppm
barium (Ba): max. 0,1 ppm
boron (B): max. 0,02 ppm
cadmium (Cd): max. 0,05 ppm
calcium (Ca): max. 0,5 ppm
chromium (Cr): max. 0,02 ppm
cobalt (Co): max. 0,02 ppm
copper (Cu): max. 0,02 ppm
iron (Fe): max. 0,1 ppm
lead (Pb): max. 0,1 ppm
magnesium (Mg): max. 0,02 ppm
manganese (Mn): max. 0,02 ppm
nickel (Ni): max. 0,02 ppm
tin (Sn): max. 0,1 ppm
zinc (Zn): max. 0,1 ppm
peroxides (as H2O2): max. 0,005 %
residue on evaporation: max. 0,025 %
water (K.F.): max. 0,03 %
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