4L HPLC Grade Methanol
CAS.No: 67-56-1
Molecular formula: CH3OH
Molecular weight: 32.04.
Density(20): 0.792g/ml.
Refractive Index: 1.3288
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TEST ITEMS |
SPECIFICATION |
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1 |
Assay (GC) , ω / % |
≥99.9 |
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2 |
Density(20℃) , ρ / (g/mL) |
0.791~0.793 |
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3 |
Residue on evaporation,ω / % |
≤0.0005 |
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4 |
Water (H2O),ω / % |
≤0.05 |
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5 |
Solubility with H2O |
Pass test |
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6 |
Titrable Acid(H+) / (mmol/g) |
≤0.0004 |
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7 |
Titrable Base(OH-) / (mmol/g) |
≤0.00008 |
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8 |
UV Absorbance (1cm cell vs. water) |
205 nm |
≤1.00 |
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210 nm |
≤0.60 |
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220 nm |
≤0.30 |
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230 nm |
≤0.15 |
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240 nm |
≤0.05 |
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260 nm |
≤0.01 |
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