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Methanol, for HPLC 'Supragradient', Reag Ph Eur, Methyl Alcohol, Carbinol, Wood Alcohol

- 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
density (20º/4º): 0,790 - 0,792
acidity: max. 0,0002 meq/g
alkalinity: max. 0,0002 meq/g
residue on evaporation: max. 0,0001 %
water (K.F.): max. 0,02 %
density (20º/20º): 0,791 - 0,793
colour (Hazen): max. 10

wavelength:: T(%) A (AU)
210 nm: 20 % 0,70 AU
215 nm: 50 % 0,301 AU
220 nm: 50 % 0,30 AU
225 nm: 68 % 0,17 AU
230 nm: 74 % 0,13 AU
240 nm: 90 % 0,046 AU
250 nm: 96 % 0,02 AU
260 - 400 nm: 98 % 0,01 AU

maximum background absorbance:: 0,015 AU
maximum peak absorbance:: 0,0015 AU

fluorescence analysis: maximum absorbance: 1 ppb as quinine (in 0,1 N sulfuric acid), for the spectra recorded at the following conditions: EX wavelength between 220 and 450 / EM wavelength between 250 and 550

Microfiltered through membranes of pore diameter 0,22 µm

suitable for UPLC

Methanol for reag. Ph.Eur. R, R1, R2, R3