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Metanol ≥99.9%, SPECTRONORM® for spectroscopy

Dostawca: VWR Chemicals
Niebezpieczeństwo

Synonim: Alkohol metylowy

Filtered through a 0.2 µm filter, packaged under nitrogen.

84705.320EA 522 PLN
84705.320 84705.260
Metanol ≥99.9%, SPECTRONORM® for spectroscopy
Metanol

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

Formuła: CH₃OH
MW: 32,04 g/mol
Temp. Wrzenia: 64,6 °C (1013 hPa)
Temp. topnienia: –98 °C
Gęstość: 0,7918 g/cm³ (20 °C)
Temp. Zapłonu: 11 °C (zamknięty kubek)
Temperatura przechowywania: Temperatura otoczenia
Numer MDL: MFCD00004595
Numer CAS: 67-56-1
Numer WE (dawny EINECS): 200-659-6
Jednostka: 1230
ADR: 3 (6.1),II
REACH: 01-2119433307-44
Klasyfikacja Merck : 13,05984
https://pl.vwr.com/stibo/web/std.lang.all/33/12/733312.jpg

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Wyniki testów specyfikacyjnych

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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