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Detailed Product Description
High purity solvent,
Low residue, Low water,
Low UV-absorbance,
Assuring optimum sensitivity,
Lang term stability
HPLC Methanol
CAS.No:67-56-1
Molecular formula: CH3OH
Molecular weight: 32.04.
Density: 0.792(20/4C)
Refractive Index: 1.3288
Test Items
Specification
Testing Result
Assay CH3OH (by GC) , ω / %
99.9min
99.99
Density(20℃) , ρ / (g/mL)
0.791~0.793
0.793
Residue on evaporation , ω / %
0.0005max
<0.0001
Water(by K-F) , ω / %
0.05 max
0.015
Solubility with H2O
Pass test
Pass test
Titrable Acid(H+) , (mmol/g)
0.0004 max
0.0002
Titrable Base(OH-) , (mmol/g)
0.00008 max
Not Detected
UV Absorbance
(1cm cell vs. water)
at 205 nm
1.00 max
0.769
at 210 nm
0.60 max
0.413
at 220 nm
0.30 max
0.186
at 230 nm
0.15 max
0.085
at 240 nm
0.05 max
0.035
at 260 nm
0.01 max
0.005
Characteristics of Methanol
1.Methanol is the simplest alcohol, and is a light, volatile, colorless, flammable, liquid with a distinctive odor that is very similar to but slightly sweeter than ethanol (drinking alcohol).
2.At room temperature it is a polar liquid and is used as an antifreeze, solvent, fuel, and as a denaturant for ethanol.
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