Metanolo ACS, grado gradiente per HPLC, Burdick & Jackson™
Fornitore: Honeywell Chemicals
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Pericolo
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Synonyms:
Alcol metilico, Alcol denaturato
Formula:
CH₃OH Peso molecolare: 32.04 g/mol Punto di ebollizione: 64…65 °C (1.013 hPa) Punto di fusione: –98 °C Densità: 0.79 g/cm3 (20 °C) Flash Pt: 11 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00004595 CAS Number: 67-56-1 UN: 1230 ADR: 3 II Merck Index: 13,05984 |
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Risultati del test di specificazione
Appearance | complying |
Assay (GC) | Min. 99.95 % |
Non-volatile matter | Max. 0.0001 % |
Density (D 20/4) | 0.7900 - 0.7925 |
Refractive index (n 20/D) | 1.328 - 1.330 |
Water (Karl Fischer) | Max. 0.02 % |
Acidity | Max. 0.0002 meq/g |
Alkalinity | Max. 0.0002 meq/g |
Heavy metals (as Pb) | Max. 2 ppm |
Acetaldehyde | Max. 0.001 % |
Acetone (GC) | Max. 0.001 % |
Formaldehyde | Max. 0.001 % |
KMnO₄ reducing matter | complying |
Reaction against H₂SO₄ | complying |
Mixable with H₂O | complying |
Transmittance at 210 nm | Min. 33 % |
Transmittance at 220 nm | Min. 60 % |
Transmittance at 235 nm | Min. 85 % |
Transmittance from 260 nm | Min. 98 % |
Absorbance | complying |
HPLC Gradient at 230 nm | Max. 2 mAU |
HPLC Gradient at 254 nm | Max. 2 mAU |
Fluorescence (chinin) at 254 nm | Max. 1 ppb |
Fluorescence (chinin) at 365 nm | Max. 1 ppb |
APHA | Max. 10 |
Suitability for residue analysis | Max. 3 ng/l |
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