Methanol -LCMS Grade Pk4

Characteristics
Volume: 2.5 L

• Synonyms: Methyl alcohol, Carbinol, Methynol, Wood alcohol
• Chemical Formula: CH₃OH
• Molecular Weight: 32.04 g/mol
• CAS Number: [67-56-1]
• EINECS Number: 200-659-6
• Density: 0.792 g/cm³
• Solubility in Water (20°C): Miscible
• Melting Point: -98°C
• Boiling Point: 65°C
• Flash Point: 10°C
• Ignition Temperature: 455°C
• Vapor Pressure (20°C): 128 hPa
• Refractive Index (n 20°C/D): 1.3288
• Dielectric Constant (25°C): 32.6
• LD₅₀ (Oral, Rat): 5628 mg/kg
• EC-Index Number: 603-001-00-X
• ADR/IMDG/IATA Classification: 3 II UN 1230
• GHS Signal Word: Danger
• GHS Hazard Statements: H225 - H301 - H311 - H331 - H370
• GHS Precautionary Statements: P210 - P301+P310 - P303+P361+P353 - P370+P378 - P405 - P501a
• Tariff Number: 2905 11 00 10
• Applications: Solvents, organic synthesis, antifreeze formulations, and extraction of animal and vegetable oils
• Appearance: Colorless

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
• Metal Impurities (Max. ppb):
  • Aluminium (Al): 10
  • Barium (Ba): 5
  • Cadmium (Cd): 5
  • Calcium (Ca): 10
  • Chromium (Cr): 5
  • Cobalt (Co): 5
  • Copper (Cu): 5
  • Iron (Fe): 10
  • Lead (Pb): 5
  • Magnesium (Mg): 10
  • Manganese (Mn): 5
  • Nickel (Ni): 5
  • Potassium (K): 10
  • Silver (Ag): 5
  • Sodium (Na): 50
  • Tin (Sn): 5
  • Zinc (Zn): 10
• Residue on Evaporation: Max. 0.0005%
• Water (K.F.): Max. 0.02%
• LC-MS Suitability: Passes test

Wavelength & Absorbance

• Transmission (%) | Absorbance (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:

  • Max. 0.001 AU
  • Max. 0.0005 AU

Filtered through membranes with a pore size of 0.22 µm.