English En

Methanol, LC-MS, suitable for nitrosamine analysis

- Synonyms: Methyl alcohol, Carbinol, Methynol, Wood alcohol
- CH3OH
- M = 32,04 g/mol
- CAS [67-56-1]
- EINECS-No.: 200-659-6
- Density: 0,792 g/cm3
- Solub. in water: (20 °C): miscible
- Melting point: -98 °C
- Boiling point: 65 °C
- Flash pt. 10 °C
- Ignition temp.: 455 °C
- Vapour pressure: (20 ºC) 128 hPa
- Refraction index: (n 20 °C/D) 1,3288
- Dielectric const.: (25 °C) 32,6
- LD 50 (oral, rat): 5628 mg/kg
- EC-Index-No.: 603-001-00-X
- ADR: 3 FT1 II UN 1230
- IMDG: 3 II UN 1230
- IATA/ICAO: 3 II UN 1230
- GHS-signal word: Danger
- GHS-H sentences: H225 - H301 - H311 - H331 - H370
- GHS-P sentences: P210 - P301+P310 - P303+P361+P353 - P370+P378 - P405 - P501a
- Tariff number: 2905 11 00 10
- Applications: solvents, synthesis of organic products, in antifreeze compositions, solvent for animal and vegetable oils extractions.
- Appearance: Incoloro

SPECIFICATIONS
assay (G.C.): min. 99,9 %
identity (IR-spectrum): passes test
nitrosamine analysis: passes test
density (20º/4º): 0,790 - 0,792
acidity: max. 0,0002 meq/g
alkalinity: max. 0,0002 meq/g
aluminium (Al): max. 10 ppb
barium (Ba): max. 5 ppb
cadmium (Cd): max. 5 ppb
calcium (Ca): max. 10 ppb
chromium (Cr): max. 5 ppb
cobalt (Co): max. 5 ppb
copper (Cu): max. 5 ppb
iron (Fe): max. 10 ppb
lead (Pb): max. 5 ppb
magnesium (Mg): max. 10 ppb
manganese (Mn): max. 5 ppb
nickel (Ni): max. 5 ppb
potassium (K): max. 10 ppb
silver (Ag): max. 5 ppb
sodium (Na): max. 50 ppb
tin (Sn): max. 5 ppb
zinc (Zn): max. 10 ppb
residue on evaporation: max. 0,0005 %
water (K.F.): max. 0,02 %

suitability for use in LC-MS: passes test

wavelength:: T(%) A (AU)
205 nm: 20 % 0,699 AU
220 nm: 60 % 0,222 AU
240 nm: 90 % 0,046 AU
260 nm: 98 % 0,009 AU

maximum peak absorbance:: 0,001 AU

maximum peak absorbance:: 0,0005 AU

Microfiltered through membranes of pore diameter 0,22 µm