L-Cystine

L-Cystine Identification Name L-Cystine Synonyms L(-)-3,3'-Dithiobis(2-aminopropanoic acid); 2-Amino-3-[(2-amino-2-carboxyethyl)dithio]propanoic acid Molecular Formula C6H12N2O4S2 Molecular Weight 240.29 CAS Registry Number 56-89-3 EINECS 200-296-3 Properties Melting point 260-261 ºC alpha -224 º(c=2 in 1M HCl) Water solubility 0.112 g/L (25 ºC) Safety Data Safety Description S24/25 Packaging & Delivery Packaging Detail: 25kg/Drum.According to your demands. Delivery Detail ASAP Specifications Product Name:L-Cystine .L-Cystine is a dimeric amino acid .L-Cystine is helpful in the healing of burn Description White Crystals or Crystalline Powder Assay 98.5-101.0% PH 5.0-6.5 Specific Rotation -215 to -225 degree Chloride(Cl) 0.02% Max. Sulfate(SO4) 0.02% Max. Ammonium (NH4) 0.02% Max. Iron(Fe) 20ppm Max. Heavy Metals(Pb) 10ppm Max. Arsenic(As2O3) 1ppm Max. Organic Volatile Impurities Meets the Requirements Loss on Drying 0.2% Max. Residue on Ignition(Sulfated) 0.10% Max. Organic Volatile Impurities Conforms