Tetrahydrofuran ≥99.9% unstabilised, SPECTRONORM® for spectroscopy
Supplier: VWR Chemicals
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About this item
Synonyms: Butylene oxide, THF, Diethylene oxide
CAS Number:109-99-9
:
Formula:C₄H₈O
MDL Number:MFCD00005356
:72.11 g/mol
Merck Index:12,09351
Boiling Pt:66 °C (1013 hPa)
Melting Pt:–108,5 °C
Density:0.888 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:203-726-8
UN:2056
ADR:3,II
:Filtered through a 0.2 µm filter, packaged under nitrogen.
Flash Pt:–21.5 °C
REACH:05-2114615188-48
:GHS02
:GHS08
:GHS07
Specifications
- Environmentally Preferable:
Specifications
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
Specification Test Results
Related Information
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Packaging Information
spec_VWRC84707.290 spec_VWRC84707.290 spec_VWRC84707.290 spec_VWRC84707.320
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