Tetrahydrofuran ≥99.9% unstabilised, SPECTRONORM® for spectroscopy

Supplier: VWR Chemicals
Danger


Filtered through a 0.2 µm filter, packaged under nitrogen.

84707.290EA 172 EUR
84707.290 84707.320
Tetrahydrofuran ≥99.9% unstabilised, SPECTRONORM® for spectroscopy
Tetrahydrofuran

SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.

Formula: C₄H₈O
Boiling Pt: 66 °C (1013 hPa)
Melting Pt: –108,5 °C
Density: 0,888 g/cm³ (20 °C)
Flash Pt: –21,5 °C
Storage Temperature: Ambient
MDL Number: MFCD00005356
CAS Number: 109-99-9
EINECS: 203-726-8
UN: 2056
ADR: 3,II
REACH: 05-2114615188-48
Merck Index: 12,09351
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Specification Test Results

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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