CAS No.: | 3416-24-8 |
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Color: | White |
Appearance: | Powder |
Name1: | CAS 3416-24-8 |
Key Words: | Glucosamine |
Key Words1: | Glucosamine CAS 3416-24-8 |
Samples: |
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Product name::Glucosamine and Chondroitin Glucosamine
Test Items |
Standard |
Result |
Appearance |
White Crystalline, Free flowing powder |
White Crystalline, Free flowing powder |
Odour |
Odourless |
Complies |
Bulk Density |
NLT 0.40g/ml |
0.42g/ml |
As Tapped Density |
Meets the requirements of USP29 |
Complies |
Analytical Properties: |
|
|
Assay (HPLC) |
97.5- 102.5%(on the dried basis) |
99.5% |
Absorb |
<0.25a.u. (10% water solut-280nm) |
0.13a.u. |
Transm |
>90.0%(10% water solut-450nm) |
95.6% |
Specific Rotation |
+38.90°- +42.90° |
+41.80° |
PH(20mg/ml.aq.sol.) |
6.07.5 |
7.09 |
Loss on drying |
NMT 0.5% |
0.34% |
Residue on Ignition |
NMT 0.1% |
0.02% |
Chloride(CL) |
NMT 0.5% |
0.03% |
Impurities and Related |
|
|
Substances: |
|
|
5-Hydroxymethyl-2-furaldehyde |
NMT 0.50% |
Complies |
Pyrezine |
NMT 0.10% |
Complies |
2-Furaldehyde |
NMT 0.10% |
Complies |
Individual Unknown Impurites |
NMT 0.10% |
Complies |
Microbial |
|
Complies |
Total Aerobic |
NMT 1000 cfu/g |
NMT 100 cfu/g |
Yeast & Mold |
NMT 100 cfu/g |
NMT 30 cfu/g |
E.Coli |
Negative in 1g |
Negative |
Salmonella |
Negative in 1g |
Negative |
Staphylococcus Aureus |
Negative in 10g |
Negative |
Enterobacteria & other gram |
NMT 100 cfu/g |
MNT 30 cfu/g |
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