Methanol ≥99.9% (by GC), LiChrosolv® Reag. Ph. Eur., gradient grade for liquid chromatography, Supelco®
Supplier: Merck
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Danger
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Synonyms:
Hydroxy methane, Carbinol, Wood alcohol, Methyl alcohol
M-Clarity™ quality level = MQ200
With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv® solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, we offer solvents in "gradient grade" as well as "isocratic grade". This enables to minimize the gradient effect of the solvent involved.
- Filtered by 0,2 µm filter
- Suitable for UPLC / UHPLC / Ultra HPLC - instruments
- Conforms to Methanol R1 and R2 according to Reag. Ph. Eur.
- Conforms to the requirements of ACS for liquid chromatography suitability
With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv® solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, we offer solvents in a 'gradient grade' as well as 'isocratic grade'. This minimises the gradient effect of the solvent involved.
Formula:
CH₃OH MW: 32,04 g/mol Boiling Pt: 64,6 °C (1013 hPa) Melting Pt: –98 °C Density: 0,7918 g/cm³ (20 °C) Flash Pt: 11 °C (closed cup) Storage Temperature: Ambient |
MDL Number:
MFCD00004595 CAS Number: 67-56-1 EINECS: 200-659-6 UN: 1230 ADR: 3 (6.1),II REACH: 01-2119433307-44 Merck Index: 13,05984 |
Specification Test Results
Purity (GC) | ≥99.9% |
Identity (IR) | Conforms |
Evaporation residue | ≤2.0 mg/l |
Water | ≤0.02% |
Colour | ≤10 Hazen |
Acidity | ≤0.0002 meq/g |
Alkalinity | ≤0.0002 meq/g |
Gradient grade (at 235 nm) | ≤2.0 mAU |
Gradient grade (at 254 nm) | ≤1.0 mAU |
Fluorescence (as quinine at 254 nm) | ≤1.0 ppb |
Fluorescence (as quinine at 365 nm) | ≤0.5 ppb |
Transmission (at 210 nm) | ≥20% |
Transmission (at 220 nm) | ≥60% |
Transmission (at 230 nm) | ≥75% |
Transmission (at 235 nm) | ≥83% |
Transmission (at 250 nm) | ≥95% |
Transmission (from 260 nm) | ≥98% |
Absorbance (at 225 nm) | ≤0.170 |
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