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L-Cystine
Product Name: L-Cystine
CAS No.: 56-89-3
Molecule Formula:C6H12N2O4S2
Molecule Weight:240.30
Structure Formula
L-Cystine
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
 
Mainly uses:
Used in food additive, medicine and cosmetic etc.
 
Packing:
25kgs/ fiber drum.

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