Methanol ≥99.9%, SPECTRONORM® for spectroscopy

Leverancier: VWR Chemicals
Ratings: (No Reviews)

Total Ratings: 0
Avg. Ratings: 0.0 out of 5

Gevaar

Synoniemen: Wood alcohol, Methyl alcohol, Hydroxy methane, Carbinol

Filtered through a 0.2 µm filter, packaged under nitrogen.

84705.320EA 88.1 EUR
84705.320 84705.260
Methanol ≥99.9%, SPECTRONORM® for spectroscopy
Methanol

SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.

Formule: CH₃OH
MW: 32.04 g/mol
Kookpunt: 64.6 °C (1013 hPa)
Smeltpunt: –98 °C
Dichtheid: 0.7918 g/cm³ (20 °C)
Vlampunt: 11 °C (gesloten beker)
Bewaar temperatuur: Kamertemperatuur
MDL Nummer: MFCD00004595
CAS nummer: 67-56-1
EINECS: 200-659-6
UN: 1230
ADR: 3 (6.1) II
Bereik: 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.

Specificaties

Environmentally Preferable Veiligere gezondheid van mens en milieu
Milieu certificering Chem21 Solvent Selection Guide recommended after discussion

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