WC Code: 12-008

L-Cystine, FCC Grade

Wintersun code: 12-008
CAS Number: 56-89-3
Molecular Formula: (SCH2CH(NH2)CO2H)2
Molecular Weight: 240.30

Sales Specification

Appearance: White Crystals or Crystalline Powder
Specific Rotation [α]D20: -215º ~ -225º
Chloride (Cl): ≤ 0.10 %
Sulfate (SO4): ≤ 0.40 %
Iron (Fe): ≤ 0.003 %
Heavy Metals (Pb): ≤ 0.0015 %
Arsenic (As2O3): ≤ 1.5 ppm
Loss on Drying: ≤ 0.20 %
Residue on Ignition: ≤ 0.10 %
Organic Volatile Impurities: Meets Requirements
Assay: 98.5 ~ 101.0 %
FCC Standard: Conforms

Packing

In 25 KG paper cardboard drum

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