2,2,4-Trimethylpentan ≥99,8% (durch GC), SPECTRONORM® für die Spektroskopie
Lieferant: VWR Chemicals
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Gefahr
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Synonyme:
Isooktan
, Isobutyltrimethylmethan
Filtriert über 0,2 µm-Filter. Unter Stickstoff abgefüllt.
28776.293EA
179
EUR
28776.293
28776.320
2,2,4-Trimethylpentan ≥99,8% (durch GC), SPECTRONORM® für die Spektroskopie
Isooctan
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
Formel:
(CH₃)₂CHCH₂C(CH₃)₃ Molecular Weight: 114,23 g/mol Siedepunkt: 99,2 °C (1013 hPa) Schmelzpunkt: –107 °C Dichte: 0,692 g/cm³ (20 °C) Flammpunkt: –12 °C Lagertemperatur: Raumtemperatur |
MDL:
MFCD00008943 CAS-Nummer: 540-84-1 EINECS: 208-759-1 UN: 1262 ADR: 3,II Merck Index: 13,05212 |
Spezifikation Testergebnisse
Purity (GC) | min. 99.8% |
Acidity | max. 0.0002 meq/g |
Alkalinity | max. 0.0002 meq/g |
Evaporation residue | max. 0.0002% |
Water | max. 0.005% |
Color | max. 10 Hz |
Fluorescence (as quinine at 254 nm) | max. 1.0 ppb |
Fluorescence (as quinine at 365 nm) | max. 1.0 ppb |
Transmission at 205 nm | min. 30% |
Transmission at 215 nm | min. 65% |
Transmission at 220 nm | min. 80% |
Transmission at 225 nm | min. 85% |
Transmission at 235 nm | min. 90% |
Transmission at 245 nm | min. 98% |
Transmission from 255 nm | min. 99% |
Absorbance at 205 nm | max. 0.52 |
Absorbance at 215 nm | max. 0.19 |
Absorbance at 220 nm | max. 0.10 |
Absorbance at 225 nm | max. 0.07 |
Absorbance at 235 nm | max. 0.05 |
Absorbance at 245 nm | max. 0.01 |
Absorbance from 255 nm | max. 0.004 |
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