n-Heptan ≥99% (durch GC), CHROMASOLV™ für die LC-MS, Riedel-de Haën™
Lieferant: Honeywell Chemicals
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Gefahr
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Synonyms:
high purity solvents
34999-1L
34999-2.5L
34999-1LEA
233.31
CHF
34999-1L
34999-2.5L
n-Heptan ≥99% (durch GC), CHROMASOLV™ für die LC-MS, Riedel-de Haën™
n-Heptan
- For LC-MS and LC-UV trace metals analysis
- HPLC / UV-VIS quality control
- Low gradient baseline drift
- Low levels of trace metals
- No non-volatile impurities
Formel:
H₃C(CH₂)₅CH₃ MW: 100.20 g/mol Siedepunkt: 98.2…98.4 °C (1.000 hPa) Melting Pt: –90.5 °C Dichte: 0.69 g/cm³ (15 °C) Flash-Pt: 6.7 %(V) Lager Temperatur: Raumtemperatur |
MDL Number:
MFCD00009544 CAS-Nummer: 142-82-5 EINECS: 205-563-8 UN: 1206 ADR: 3 II Merck Index: 13,04679 |
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Spezifikation Testergebnisse
Vapor Density | 3.5 (vs air) |
Assay (GC) | Min. 99 % |
Non-volatile matter | Max. 0.0005 % |
Water (Karl Fischer) | Max. 0.01 % |
Free acid (as CH₃COOH) | Max. 0.001 % |
Free alkali (as NH₃) | Max. 0.0005 % |
Calcium (Ca) | Max. 0.00001 % |
Potassium (K) | Max. 0.00001 % |
Magnesium (Mg) | Max. 0.00001 % |
Sodium (Na) | Max. 0.00001 % |
Transmittance at 200 nm | Min. 20 % |
Transmittance at 220 nm | Min. 80 % |
Transmittance from 245 nm | Min. 98 % |
Fluorescence (chinin) at 254 nm | Max. 1 ppb |
Fluorescence (chinin) at 365 nm | Max. 1 ppb |
Suitability for HPLC-MS | complying |
Refractive Index | n20/D 1.387 (lit.) |
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