Tetrahydrofuran ≥99.8%, ChromAR® for liquid chromatography, til UV spektrofotometri, Macron Fine Chemicals™

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Ratings: Ingen bedømmelse

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2858-25EA 2070 DKK
285806. MACR2858-62 MACR2858-31 2858-25 MACR2858-08
Tetrahydrofuran ≥99.8%, ChromAR® for liquid chromatography, til UV spektrofotometri, Macron Fine Chemicals™
Tetrahydrofuran
Formel: C₄H₈O
Molekylvægt: 72,11 g/mol
Kogepunkt: 65 °C (101,325 kPa)
Smeltepunkt: –108,3 °C
Massefylde: 0,888 g/cm³ (20 °C)
Flammepunkt: –14,00 °C
Opbevaringstemperatur: Stue temperatur
MDL Number: MFCD00005356
CAS-nummer: 109-99-9
EINECS: 203-726-8
UN nummer: 2056
ADR: 3,II
REACH: 05-2114615188-48
Merck Index: 12,09351
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Specifikationer Testresultater

For Laboratory,Research,or Manufacturing Use
Assay (C₄H₈O) (by GC, corrected for water) ≥99.8 %
Peroxide (as H₂O₂) ≤0.015 %
Residue after Evaporation ≤5 ppm
Water (H₂O)(by KF, coulometric) ≤0.03 %
Optical Absorbance (1-cm path vs water) - 212 nm ≤1.00
Optical Absorbance (1-cm path vs water) - 225 nm ≤0.50
Optical Absorbance (1-cm path vs water) - 250 nm ≤0.17
Optical Absorbance (1-cm path vs water) - 300 nm ≤0.01
Meets Reagent Specifications for testing USP/NF monographs

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