Characters | Unit | Specification |
---|---|---|
Ethanol content at 15,56°c | %v/v | ≥ 99,5 |
Ethanol content at 15 °c | %v/v | ≥ 99,5 |
Ethanol content at 20°c | %v/v | ≥ 99,5 |
Specific gravity at 15,56°c | ≤ 0,796 | |
Specific gravity at 15°c | 0,794 ≤ ...≤ 0,797 | |
Identification a: relative density at 20°c | 0,790 ≤ ...≤ 0,793 | |
Identification b: ir | Complies a | |
Identification c | Complies b | |
Identification d | Complies c | |
Appearance/ clarity and color of solution | Complies d | |
Solubility | Complies e | |
Flame test | Complies f | |
Boiling point | °C | 77,0 ≤ ...≤ 79,0 |
Acidity Or Alkalinity (As Acetic Acid) | ppm v/v | ≤ 30g |
UV Absorption (240nm) | ≤ 0,40 | |
UV Absorption Between 250 Nm And 260 Nm | ≤ 0,30 | |
UV Absorption 240/250-260/270- 340 Nm | ≤ 0,10 | |
UV Absorption Between 270 Nm À 340 Nm | Complies h | |
Volatile Impurities | ||
Methanol | ppm v/v | ≤ 100 |
Acetaldehyde + Acetal (As Acetaldehyde) | ppm v/v | ≤ 10 |
Benzene | ppm v/v | ≤ 2 |
Sum of all other impurities | ppm v/v | ≤ 300 |
Non Volatile Impurities | ||
Residue on evaporation | ppm m/v | ≤ 25 |
Elemental Impurities | ||
Cadmium | µg/g | ≤ 0.2 |
Plomb | µg/g | ≤ 0.5 |
Arsenic | µg/g | ≤ 0.2 |
Mercury | µg/g | ≤ 0.1 |
Cobalt | µg/g | ≤ 0.3 |
Vanadium | µg/g | ≤ 0.1 |
Nickel | µg/g | ≤ 0.5 |
Lithium | µg/g | ≤ 2.5 |
Antimony | µg/g | ≤ 2 |
Baryum | µg/g | ≤ 30 |
Molybdenum | µg/g | ≤ 1 |
Copper | µg/g | ≤ 3 |
Tin | µg/g | ≤ 6 |
Chromium | µg/g | ≤ 0.3 |
Endotoxin | UI/ml | ≤ 0.25 |
Bacterial Count | UFC/L | ≤ 10 |
a Conform to reference spectrum | ||
b After a few minutes, an intense blue colour appears on the paper and becomes paler after 10-15 minutes | ||
c A yellow precipitate is formed within 30 minutes | ||
d Flammable, liquid, hygroscopic and volatile/ substance to be examined show the same clarity and has the appearance of water | ||
e Miscible with water and with methylene chlorid | ||
f burns with blue flame without smoke | ||
g The solution is pink | ||
h The spectrum shows a steadily descending curve with no observable peaks or shoulders |
Shelf Life/Retest Date: Based on in-house stability studies, we formally set the date of retest of Pharmethyl grade at the date of release of each individual batch + 24 months (in neutral container) when stored under recommended conditions.
Storage/Shipping Conditions:
Pack Sizes: 500 ml, 25 L and 215 L