MEOH (Methanol)
Description
Methanol is a colorless alcohol, hygroscopic and completely miscible with water, but much lighter (specific gravity 0.8). It is a good solvent, but very toxic and extremely flammable. This simple single carbon alcohol is a volatile solvent and a light fuel.
Properties
| Unit | Quantity |
|---|
| Boiling point at 1.0 atm | °C | 64.5 |
| Vapor pressure at 20°C | kg/cm2 | 0-128 |
| Freezing point | °C | -975 |
| Net heating value | million BTU/Ton | 1883 |
| Vapor density at 15°C | air = 1 | 1.11 |
Specifications
| Unit | Quantity / Description | Test Method ASTM |
|---|
| Water | wt % | 0.1 max | E-203 |
| Acetone & aldehydes | wt % | 0.003 max | D-1612 |
| Ethanol | wt % | 0.01 max | 3-346 |
| Acidity (as Acetic Acid) | wt % | 0.003 max | D-1613 |
| Appearance & hydrocarbons | - | free of opalescence, suspended matter & sediment | - |
| Carbonizable Substances, color | - | not darker than Color Standard No. 30 of ASTM D 1209 Platinum - Cobalt Scale | E-346 |
| Color | - | not darker than Color Standard No. 5 of ASTM D 1209 Platinum - Cobalt Scale | D-1209 |
| Odor | - | Characteristic, non-residual | D-1296 |
| Distillation range | - | not more than 1°C and include 64.4°C +/- 0.1°C (At 760 mm Hg.) | D-1078 |
| Specific gravity 20°C/20°C | - | 0.7928 max | - |
| Methanol | wt % | 99.85 min | E-346 |
| Non-volatile content | GM/100 ml | 0.001 max | D-1353 |
| Permanganate test | - | no discharge of color in 50 minutes | D-1363 |
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