Customization: | Available |
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CAS No.: | 9067-32-7 |
Formula: | C14h22nnao11 |
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Items | Specifications | |||||
Appearance | White or almost white powder or fibrous aggregate | |||||
Identification A.Infrared absorption B.Reaction of sodium |
The IR spectrum of the sample exhibits maxima at the same wavelength as that of Ph.Eur.reference spectrum of Sodium Hyaluronate Positive |
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Appearance of solution | Clear and the absorbance is NMT 0.01 at 600 nm | |||||
pH | 5.0~8.5(0.5%solution) | |||||
Intrinsic viscosity | 2.0 m³/kg~2.6 m³/kg | |||||
Molecular weight | 1.20×106Da~1.60×106Da | |||||
Nucleic acids | The absorbance is NMT 0.5 at 260 nm | |||||
Protein | ≤0.1%(on the dried substance) | |||||
Chlorides | ≤0.5% | |||||
Iron | ≤80 ppm (on the dried substance) | |||||
Loss on drying | ≤15.0% | |||||
Assay | 95.0%~105.0%(on the dried substance) | |||||
Residual solvents: Ethanol | ≤0.5% | |||||
Microbial contamination-TAMC | ≤100 cfu/g | |||||
Bacterial endotoxins | <0.5 IU/mg |
Q: Are you manufacture or trading company?
A: We are the manufacture of Soya Lecithin. For other product, as we have warehouse and good relationship with our long term cooperative factories, the prices are always competitive in the market.