CAS No.: | 9004-61-9 |
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Formula: | C14h22nnao11 |
EINECS: | 232-678-0 |
Grade: | Cosmetics Raw Material |
Function: | Metabolic System |
Certification: | MSDS |
Samples: |
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Customization: |
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Items | Specifications | Methods |
Appearance | White or almost white powder or fibrous aggregate | Ph.Eur. |
Identification A. Infrared absorption B. Reaction (a) 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 |
Ph.Eur.(2.2.24) Ph.Eur.(2.3. 1) |
Appearance of solution | Clear and the absorbance at 600 nm is ≤ 0.01 |
Ph.Eur.(2.2. 1) Ph.Eur.(2.2.25) |
H | 5.4 ~ 8.2 (0.5% Solution) | Ph.Eur.(2.2.3) |
Intrinsic viscosity | Report the test value | Ph.Eur. |
Molecular Weight | Report the test value | Ph.Eur., JP |
Nucleic acids | The absorbance at 260 nm is ≤ 0.05. | Ph.Eur.(2.2.25) |
Protein | ≤ 0.05% (on the dried substance) |
Ph.Eur. |
Chlorides | ≤ 0.1% | Ph.Eur.(2.4.4) |
Iron | ≤ 20 ppm (on the dried substance) | Ph.Eur. (2.2.23, MethodII) |
Loss on drying | ≤ 10.0% | Ph.Eur.(2.2.32) |
Microbial contamination-TAMC | ≤ 100 CFU/g | Ph.Eur.(2.6.12) |
Bacterial endotoxins | < 0.005 IU/mg | Ph.Eur. (2.6.14) |
Assay | 95.0% ~ 105.0% (on the dried substance) |
Ph.Eur., In-house method |
Residual solvents: Ethanol | ≤ 0.5% | In-house method |
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