Product Name: acetic acid (glacial acetic acid) level: AR / CP
Implementation of the standards: GB / T 676-2007
Molecular formula: CH3COOH
Properties: This reagent is transparent colorless liquid with a pungent odor, soluble in water, ethanol and ether. Density (20 ℃) of about 1.05g / mL
Hazardous characteristics: flammable vapor and air can form explosive mixtures case of fire, high-heat combustion caused the explosion. And chromic acid, sodium peroxide, nitric acid or other oxidants, the risk of explosion. Corrosive.
Incompatibility: bases, strong oxidants.
Items | Indicators | |
AR | CP | |
content(CH3COOH),W/% ≥ | 99.5 | 99.0 |
Crystallization point/℃ ≥ | 15.1 | 14.8 |
Evaporation residue,W/% ≤ | 0.002 | 0.005 |
Mixed with water test | qualified | qualified |
chloride(Cl),W/% ≤ | 0.0001 | 0.0004 |
Sulfate(SO4),W/% ≤ | 0.0002 | 0.0005 |
iron(Fe),W/% ≤ | 0.0001 | 0.0002 |
copper(Cu), W/% ≤ | 0.00005 | 0.0001 |
Zinc(Zn), W/% ≤ | —— | —— |
lead(Pb), W/% ≤ | 0.00005 | 0.0001 |
Acetic anhydride[(CH3CO)2O], W/% ≤ | 0.02 | 0.02 |
Dichromate reducing substance (in O gauge)W/%≤ | 0.008 | 0.01 |