Tetrahydrofuran ≥99,9% Unstabilisiert, SPECTRONORM® für die Spektroskopie
Lieferant: VWR Chemicals
|
Gefahr
|
Synonyme:
Tetramethylenoxid
, THF
, Furantetrahydrid
, 1,4-Oxidobutan
, Oxolan
Filtriert über 0,2 µm-Filter. Unter Stickstoff abgefüllt.
84707.320EA
341
EUR
84707.320
84707.290
Tetrahydrofuran ≥99,9% Unstabilisiert, SPECTRONORM® für die Spektroskopie
Tetrahydrofuran
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
Formel:
C₄H₈O Molecular Weight: 72,11 g/mol Siedepunkt: 66 °C (1013 hPa) Schmelzpunkt: –108,5 °C Dichte: 0,888 g/cm³ (20 °C) Flammpunkt: −21,5 °C Lagertemperatur: Raumtemperatur |
MDL:
MFCD00005356 CAS-Nummer: 109-99-9 EINECS: 203-726-8 UN: 2056 ADR: 3,II REACH: 05-2114615188-48 Merck Index: 12,09351 |
Spezifikation Testergebnisse
Assay (GC) | ≥ 99,9 % |
Acidity | ≤ 0,0002 meq/g |
Alkalinity | ≤ 0,0002 meq/g |
Colouration | ≤ 10 APHA |
Evaporation residue | ≤ 2 ppm |
Water | ≤ 100 ppm |
Absorbance (215 nm) | ≤ 0,52 |
Absorbance (245 nm) | ≤ 0,30 |
Absorbance (265 nm) | ≤ 0,10 |
Absorbance (275 nm) | ≤ 0,05 |
Absorbance (from 310 nm) | ≤ 0,01 |
Transmittance (215 nm) | ≥ 30 % |
Transmittance (245 nm) | ≥ 50 % |
Transmittance (265 nm) | ≥ 80 % |
Transmittance (275 nm) | ≥ 90 % |
Transmittance (from 310 nm) | ≥ 98 % |
Fluorescence (as quinine) (254 nm) | ≤ 1,0 ppb |
Fluorescence (as quinine) (365 nm) | ≤ 1,0 ppb |
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