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| L-Cystine |
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| · CAS No.: 56-89-3 |
| · Molecule Formula: C6H12N2O4S2 |
| · Molecule Weight: 240.30 |
| · Structure Formula: |
·  |
| · Description: White crystals or crystalline powder; almost insoluble in water, practically insoluble in ethanol and in ether. |
| · Manufacture Standards: AJI92/EP5 |
| · Specification: |
Specific rotation |
-215 - -225 |
Heavy metals |
≤10ppm |
Water content |
≤0.20% |
Residue on ignition |
≤0.10% |
assay |
98.5-101.0% |
pH |
5.0-6.5 |
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| · Mainly uses:Used in food additive, medicine and cosmetic etc. |
| · Packing:25kgs/ fiber drum. |
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