Methanol ≥99,9%, SPECTRONORM® für die Spektroskopie
Lieferant: VWR Chemicals
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Gefahr
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Synonyme:
Hydroxymethan
, Holzalkohol
, Methylalkohol
Filtriert über 0,2 µm-Filter. Unter Stickstoff abgefüllt.
84705.320EA
110
EUR
84705.320
84705.260
Methanol ≥99,9%, SPECTRONORM® für die Spektroskopie
Methanol
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
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Formel:
CH₃OH Molecular Weight: 32,04 g/mol Siedepunkt: 64,6 °C (1013 hPa) Schmelzpunkt: –98 °C Dichte: 0,7918 g/cm³ (20 °C) Flammpunkt: 11 °C (geschlossener Tiegel) Lagertemperatur: Raumtemperatur |
MDL:
MFCD00004595 CAS-Nummer: 67-56-1 EINECS: 200-659-6 UN: 1230 ADR: 3 (6.1),II REACH: 01-2119433307-44 Merck Index: 13,05984 |
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Spezifikation Testergebnisse
| Assay (GC) | ≥ 99.9 % |
| Solubility in water | Passes test ACS |
| Substances coloured by H₂SO₄ | Passes test ACS |
| Substances reducing KMnO₄ (as O) | Passes test ACS |
| Acidity | ≤ 0.0002 meq/g |
| Alkalinity | ≤ 0.0002 meq/g |
| Colouration | ≤ 10 APHA |
| Acetaldehyde | ≤ 5 ppm |
| Acetone | ≤ 5 ppm |
| Evaporation residue | ≤ 5 ppm |
| Formaldehyde | ≤ 1 ppm |
| Water | ≤ 0.05 % |
| Absorbance (205 nm) | ≤ 1.00 |
| Absorbance (210 nm) | ≤ 0.52 |
| Absorbance (220 nm) | ≤ 0.22 |
| Absorbance (225 nm) | ≤ 0.17 |
| Absorbance (230 nm) | ≤ 0.10 |
| Absorbance (240 nm) | ≤ 0.05 |
| Absorbance (250 nm) | ≤ 0.02 |
| Absorbance (from 260 nm) | ≤ 0.01 |
| Transmittance (205 nm) | ≥ 10 % |
| Transmittance (210 nm) | ≥ 30 % |
| Transmittance (220 nm) | ≥ 60 % |
| Transmittance (225 nm) | ≥ 68 % |
| Transmittance (230 nm) | ≥ 80 % |
| Transmittance (240 nm) | ≥ 90 % |
| Transmittance (250 nm) | ≥ 95 % |
| Transmittance (from 260 nm) | ≥ 98 % |
| Fluorescence (as quinine) (254 nm) | ≤ 1.0 ppb |
| Fluorescence (as quinine) (365 nm) | ≤ 1.0 ppb |
| Meets the requirements of "Specific use spectroscopy" according ACS and Reag. Ph.Eur. |
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