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Subcategory & Sub-subcategory

Trade Type

Sell

Product Name

HPLC Methanol Solvents

Substance

Specifications

  • IUPAC Name: methanol
  • CAS Number: 67-56-1
  • Chemical Formula: CH4O
  • Molecular Weight: 32.042
  • EC Number: 200-659-6
  • Purity: >=99.90% (GC assay)
  • Formulation Type: Colorless volatile liquid
  • Application: HPLC solvent; also used as antifreeze, fuel, denaturant
  • Regulatory Status: Chemical grade
  • Test Items: Specification
  • Assay CH3OH (by GC) , ω / %: 99.90 min
  • Density (20℃) , ρ / (g/mL): 0.791~0.793
  • Chromaticity (APHA): 10 max
  • Solubility in water: Pass test
  • Residue on evaporation , ω / %: 0.0003 max
  • Water H2O (by K-F) , ω / %: 0.03 max
  • Titrable Acid(H+) , b / (mmol/g): 0.0002 max
  • Titrable Base(OH-) , b / (mmol/g): 0.00008 max
  • Carbonylic compounds(CO) , ω / %: 0.003 max
  • Readily carbonizable substances: Pass test
  • Substances reducing KMnO4: Pass test
  • UV Absorbance(1cm cell vs. water): at 205 nm
  • at 210 nm: 0.60 max
  • at 220 nm: 0.30 max
  • at 225 nm: 0.25 max
  • at 230 nm: 0.12 max
  • at 240 nm: 0.05 max
  • at 250 nm: 0.02 max
  • at 260~400 nm: 0.01 max
  • Gradient Elution Test at 254nm/ (mAU): 2 max

Documents

ISO9001 certification
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