Solvents
Alcohol (Pharmaceutical and Absolute Grade)
Description:
Ethanol, commonly known as alcohol, is used in pharmaceutical and laboratory settings primarily as a solvent, antiseptic, and disinfectant. Pharmaceutical grade alcohol is denatured or purified for medicinal use, while absolute alcohol is nearly 100% pure, containing minimal water content.
Additional Info:
CAS NO.: 64-17-5
EC NO.: 200-578-6
Synonym: Ethanol, Ethyl alcohol
Formula: C2H6O Mol.
Weight: 46.07 g/mol
Specifications:
Parameter | Unit | Standard | Result |
Color Appearance | – | Colorless | Colorless |
Specific gravity in 20 oC | g/cm3 | 0.8087 | 0.8080 |
Alcohol degree in 20 oC | % | 96.0 | 96.1 |
Acidity as acetic acid | mg/100 | 3 mg/100 | 1.2 mg/100 |
Permanganate test | min | 20 | 30 |
Aldehyde as acetaldehyde | mg/100 ml | 1 | 0.4 |
Methanol as methyl alcohol | mg/100 ml | 5 | 0.2 |
Ester as ethyl acetate | mg/100 ml | 4 | 1.8 |
Heavy alcohol | mg/100 ml | 0.9 | 0.5 |
Furfural | Negative | Negative | Negative |
Unevaporated residue | mg/100 ml | 5 | 5 |
Pb compound | ppm | 0.1 | Negative |
Cu compound | ppm | 0.4 | 0.1 |
As compound | ppm | 0.05 | Negative |
