L-Cystine,L Cystine,Cystine (China)

Keywords: L-Cystine,L Cystine,Cystine,Amino Acid

Detailed Product Description:

Molecular Formula: C6H12N2O4S2

Molecular Weight: 240.29

Cas No: [56-89-3]

Characteristics: White crystals or crystalline powder; tasteless. Practically insoluble in water, in ethanol and in ether. Dissolves in dilute HCl.

Quality Standards: AJI92, FCCIV, In-house (ref USP24)

Description for AJI92:

Appearance: White crystal or crystalline powder; tasteless

Description: White crystals or crystalline power

Identification: Infrared absorption spectrum

Specific rotation: -215 to -225 degree

State of solution: >=98.0

Chloride: <= 0.020

Ammonium: <=0.02

Sulfate: <=0.020

Iron: <=20PPm

Heavy metals: <=10PPm

Arsenic: <=1PPm

Other amino acids: Conforms

Loss on drying: <=0.20

Residue on ignition: <=0.10

Assay: 98.5~01.0

PH: 5.0~6.5



Packaging and Storage: In 25kgs fiber drum double polyethylene bags inside; Preserve in well-closed containers, at controlled room temperature.

Recommended limit: 1 year