Methanol magnesium salt CAS NO.109-88-6

High purity solvent, Low residue Low water, Low UV-absorbance, assuring optimum sensitivity, lang term stability Gradient Gr…

High purity solvent, Low residue Low water, Low UV-absorbance, assuring optimum sensitivity, lang term stability Gradient Grade Methanol SpecificationCAS.No67-56-1Molecular formula CH3OHMolecular weight 32.04.Refractive Index 1.3288 Test ItemsResultAssay CH3OH (GC)  ω / %≥99.9AppearanceClear, ColorlessDensity (20°C)  ρ / (g/mL)0.791~0.793Solubility in H2O.Pass testEvaporation Residue  ω / %≤0.0005Water (H2O)  ω / %≤0.05Titrable Acid.  / (mmol/g)≤0.0004Titrable Base.  / (mmol/g)≤0.00008UV Absorbance,(1.00-cm cell vs.water)205nm1.00210nm0.60220nm0.30230nm0.15240nm0.05254nm0.01260nm0.01GC-ECD Responsive residue (single peak) (As γ-666) / (ng/L)—Gradient Test 254 nm / (AU)≤0.005