Molecular formula: CH3COONa-3H2O
Molecular weight: 136.08
Properties: Three hydrated sodium acetate is a colorless, odorless crystals. Easily weathered in the air, water and soluble in ethanol, micro-soluble in vinegar concentrate. 1.45 share, the melting point of 58 ℃.
Uses: Sodium acetate is a kind of chemical raw materials used in printing and dyeing, pharmaceutical, chemical reagents and industrial catalysts, additives, filled with PPD and anti-corrosion agent preservation.
Specification of officinal crystal sodium acetate
Content(CH3COONa-3H2O)% | ≥99.5 |
Clarity test | Qualified |
PH value | 7.5-9.0 |
Chlorid(CI)% | ≤0.001 |
Sulfate(SO4)% | ≤0.005 |
Phosphate(PO4)% | ≤0.0005 |
Magnesium(Mg)% | ≤0.001 |
Calcium(Ca)% | ≤0.025 |
Ferrum(Fe)% | ≤0.0003 |
Arsenic(As)% | ≤0.0002 |
Heavy metal (base on Pb) % | ≤0.001 |
Oxidate | Qualified |
Insoluble substance in water% | ≤0.005 |
Specification of edible crystal sodium acetate
Content% | 99-101 |
Free alkali% | ≤0.12 |
Kali salt % | ≤0.01 |
Heavy metal (base on Pb)% | ≤0.0005 |
Arsenic salt% | ≤0.0001 |
Free water % | ≤1 |
Specification of commercial crystal sodium acetate
content% | ≥58-60 |
Insoluble substance in water% | ≤0.04 |
Free alkali% | ≤0.03 |
Chlorid(CI)% | ≤0.04 |
Ferrium(Fe)% | ≤0.002 |
Specification of chemical pure trihydrate sodium acetate
Name | Top grade pure | Analytical pure | Chemical pure |
Content(CH3COONa-3H2O) | ≥99.5 | ≥99.0 | ≥98.0 |
PH(50g/125) | 7.5-9.0 | 7.5-9.0 | 7.5-9.0 |
Clarity test | Qualified | Qualified | Qualified |
Insoluble substance in water% | ≤0.002 | ≤0.002 | ≤0.002 |
Chlorid(CI)% | ≤0.0003 | ≤0.001 | ≤0.003 |
Sulfate(SO4)% | ≤0.002 | ≤0.005 | ≤0.005 |
Phosphate(PO4)% | ≤0.0002 | ≤0.0002 | ≤0.0005 |
Aluminum(AI)% | ≤0.0005 | ≤0.0005 | ≤0.001 |
Kalium(K)% | ≤0.002 | ||
Calcium(Ca)% | ≤0.001 | ≤0.002 | ≤0.005 |
Ferrum(Fe)% | ≤0.0002 | ≤0.0002 | ≤0.0005 |
Copper(Cu)% | ≤0.0005 | ≤0.0005 | ≤0.001 |
Lead(Pb)% | ≤0.0005 | ≤0.0005 | ≤0.001 |
Reduction potassium permanganate substance (base on CHOOH) % | ≤0.005 | ≤0.01 | ≤0.02 |