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CAS NO:
67-56-1
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Basic Info
CAS Number
67-56-1
Pharmacopoeia
In-house Standards
Grade
HPLC Grade
Is Manufacturer
No
Samples Provided
NO
Product Description
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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