Methanol ≥99,9% (durch GC) ACS für die IR-und UV-Spektrophotometrie, für die HPLC
Lieferant: PanReac AppliChem
|
Gefahr
|
Synonyme:
Hydroxymethan
, Holzalkohol
, Methylalkohol
APPC361091.1612EA
61.3
EUR
APPC361091.1612
Methanol ≥99,9% (durch GC) ACS für die IR-und UV-Spektrophotometrie, für die HPLC
Methanol
Formel:
CH₃OH Molecular Weight: 32,04 g/mol Siedepunkt: 64…65 °C Schmelzpunkt: −97,8 °C Dichte: 0,792 kg/l Lagertemperatur: Raumtemperatur |
MDL:
MFCD00004595 CAS-Nummer: 67-56-1 UN: 1230 ADR: 3,II |
Spezifikation Testergebnisse
Minimum assay (G.C.) | 99,9% |
Density at 20/4 | 0,791 - 0,792 |
Physical form | Liquid, clear and colourless |
Solubility | Soluble in water, alcohol, ether and methylene chloride |
APHA colour | 10 |
Acidity | 0,0002 meq/g |
Alkalinity | 0,0002 meq/g |
Insoluble matter in H₂O | Passes test |
Non-volatile matter | 0,0005% |
Reducing substance to KMnO₄ | Passes test |
Darkened substances by H₂SO₄ | Passes test |
Carbonyl compounds (as acetone, as formaldehyde and as acetaldehyde) | 0,001% |
Suitability for gradient according to ACS | Passes test |
Base line drift (235 nm) | 15 mUA |
Water (H₂O) | 0,03% |
Suitability for IR spectrometry | Passes test |
Gradient at 235 nm | 2 mUA |
Gradient at 254 nm | 1 mUA |
Fluorescence at 254 nm (as quinine) | 1 ppb |
Fluorescence at 365 nm (as quinine) | 1 ppb |
Transmittance at 205 (cut off) nm | ≥10% |
Transmittance at 210 nm | ≥30% |
Transmittance at 220 nm | ≥55% |
Transmittance at 230 nm | ≥75% |
Transmittance at 240 nm | ≥90% |
Transmittance at 260 - 400 nm | ≥98% |
Rohrschneider polarity | 5,1 |
Eluotropic value E° (Al₂O₃) | 0,95 |
Sol. H₂O in solv. at 20 °C | Miscible |
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