Tetrahydrofuran, bezwodny, 99,8% stabilizowany 250 ppm 2,6-Di-tert-butyl-4-metylfenolem (BHT) – SCHARLAU

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PRODUCENT: SCHARLAB

Tetrahydrofuran, 99,8%, anhydrous

THF

– 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 – P241 – P303+P361+P353 – P305+P351+P338 – 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/20º): 0,889 – 0,891
appearance: clear
colour (Hazen): max. 10
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. 0,005 %