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Product Name: L(+) dimethylaminoethanol hydrogen tartrate
Structural formula：[HOCH2CH2NH(CH3)3]+[-OOCCH(OH)CH(OH)COOH]
Molecular formula：C4H11NO·C4H6O6
Molecular weight:239.22
Executive standard: enterprise standard
physical property：White crystal, melting point 110-120 ℃, soluble in water and alcohol.
Quality index:
Items of Analysis | Specification |
Appearance | White powder, no impurity |
Assay(calculated on the anhydrous basis)% | ≥ 98 |
water (W/W) % | ≤0.50 |
Residue on ignition% | ≤0.10 |
pH（1 in 10） | 3.0-4.0 |
Heavy metal （Pb）(mg/Kg)） | ≤ 10 |
Arsenic （As）(mg/Kg) | ≤ 1.0 |
Total bacteria countCFU/g | ≤ 1000 |
Coliform group MPN/g | ≤3 |
Particle size (Through 20 Mesh) % | 100 |
Manufacturing
