Methanol ≥99.9%, SPECTRONORM® for spectroscopy

Supplier: VWR Chemicals
Danger


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
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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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