L-Carnitine base,China price supplier

  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%