Ms.Linda Song
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Formula:CH3OH
Grade: LC-MS Grade
Model:4L Glass Bottle
Item Number:8001LM4000
Price:
4L LC-MS Methanol
CAS.No: 67-56-1
Molecular formula: CH3OH
Molecular weight: 32.04.
Density(20): 0.792g/ml.
Test Items
Units
Specifications
Assay CH3OH(GC)
%
≥99.99
Density(20℃)
g/mL
0.791～0.793
Solubility with H2O
Pass test
Residue on evaporation
%
≤0.0001
Water
%
≤0.01
Acidity(as H+)
mmol/g
≤0.0002
Alkalinity(as OH-)
mmol/g
≤0.0001
Absorbance at 205 nm
Abs.Units
≤1.0
Absorbance at 210 nm
Abs.Units
≤0.45
Absorbance at 220 nm
Abs.Units
≤0.20
Absorbance at 230 nm
Abs.Units
≤0.10
Absorbance at 260 nm
Abs.Units
≤0.01
254nm Gradient Elution Test
mAU
≤2
235nm Gradient Elution Test
mAU
≤2
Fluorescence impurity at 254 nm
ppb
≤1.0
Fluorescence impurity at 365 nm
ppb
≤0.5
LC-MS(ESI+) as reserpine
ppb
≤50
LC-MS(ESI-) as 4-nitrophrnol
ppb
≤50
(K、Ag、Ba、Cd、Co、Cr、Cu、Mn、Ni、Pb、Sn)
ppb
≤5
Al、Ca、Mg、Fe
ppb
≤10
Na
ppb
≤100
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