L-Carnitine base

L-Carnitine base Synonyms: 3-Hydroxy-4-(trimethylammonio)butanoate; Vitamin BT; L(-)-Carnitine CAS NO: 541-15-1 Molecular weight: 161.2 EC NO: 208-768-0 Molecular formula: C7H15NO3 Packing: 25KG/ fiber drum / carton drum Details: melting point: 208-212°C specific rotation: -31° (c=10, H2O) water solubility: 2500 g/L (20°C) Uses: drugs, dietary supplements, functional drink, feed additive Properties: white crystal or crystalline powder with slight special odor; high hygroscopicity.

Easily soluble in water, ethanol and alkaloid solution; almost insoluble in acetone or ethyl acetate.

Quality Standard: USP, EP, GB

1. USP Identification: chemial or IR method Specific rotation: -29.0°~ -32.0° pH-value: 5.5 ~ 9.5 Moisture: ≤4.0% Residue on ignition: ≤0.5% Cyanide: - Chloride: ≤0.4% Sulphate: - Sodium: ≤0.1% Potassium: ≤0.2% Heavy metal: ≤20ppm Arsenic: ≤2ppm Solution clarity: - Related substances: - Residual acetone: - Assay: 100±3%

2. EP Identification: chemial or IR method Specific rotation: -29.0°~ -32.0° pH-value: 6.5 ~ 8.5 Moisture: ≤1.0% Residue on ignition: ≤0.1% Cyanide: - Chloride: ≤200ppm Sulphate: ≤300ppm Sodium: - Potassium: - Heavy metal: ≤10ppm Arsenic: - Solution clarity: colorless transparent Related substances: impurity A≤0.5% other impurity ≤0.1% Residual acetone: - Assay: 100±2%

3. GB Identification: chemial or IR method Specific rotation: -29.0° ~ -32.0 pH-value: 5.5 ~ 9.5 Moisture: ≤4.0% Residue on ignition: ≤0.5% Cyanide: should not be found Chloride: ≤0.4% Sulphate: - Sodium: ≤0.1% Potassium: ≤0.2% Heavy metal: ≤20 ppm Arsenic: ≤2 ppm Solution clarity: - Related substances: - Residual acetone: ≤0.1% Assay: 100±3%