L Carnitine Base

We are offering 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 gl (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 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%.