L- Cystine->Amino Acid

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Wuhan Buyour Amino Acid Co., Ltd

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L- Cystine

Category :

Chemicals->chemical material->Amino Acid

Product Specification

Model No:	SGP-B-0

Country	0

Product Detail

[CAS No. ]: 52-90-4
[Structural Formula]: C6H10N2Na2O4S2
[Molecular weight]: 284.26
[Description]: White crystals or crystalline powder, Having a strong acid taste, could be dissolved in water.
[Packing]: 25KG/ Paper drum

Specific rotation[a]D20: -21.3 to -225
State of solution( Transmittance): Clear and colorless, Not less than 98.0%
Chloride(Cl): not more than 0.04%
Ammonium(NH4): not more than 0.02%
Sulfate (SO4): not more than 0.030%
Iron(Fe): not more than 20ppm
Heavy metals(Pb): not more than 10ppm
Arsenic(as As2O3): not more than 1ppm
Other amino acids: Chromatographically, Not detectable Conforms
Loss on drying: not more than 0.5%
Residue on ignition(sulfated): not more than 0.50%
Assay: 98.5% to 101.0%
pH: 2.0 to 2.8
Melting point: 106 to 110

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