Methanol ≥99.9%, SPECTRONORM® for spectroscopy
Supplier: VWR Chemicals
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Danger
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Filtered through a 0.2 µm filter, packaged under nitrogen.
VWRC84705.320EA
65.9
SGD
VWRC84705.320
VWRC84705.260
Methanol ≥99.9%, SPECTRONORM® for spectroscopy
Methanol
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
Formula:
CH₃OH 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
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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