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Amino acid   

Amino acid:Amino acid is the generic name of a group organic substance containing amino group and carboxyl group. It is the fundamental material to construct bio-organism proteins, and correlates with living activities closely. In human body, it has special physiological functions, and it is one of the essential nutrients in bio-organisms.

L-Cystine

Molecular Formula: C6H12N2O3S3

CAS: 56-89-3

Properties: white acicular or hexagonal crystalline. Odorless, Melted and decomposed at 260℃. Decomposed in hot alkaline aqueous. Soluble in dilute inorganic acid and alkaline solution, insoluble in water and ethanol.

Usage: nutritional supplements, flavor agent, dough strength enhancer

Application: Milk powder maternizer, baked food(yeast starter), yeast powder

Quality Standard: USP26

Items

Standard

specific rotation

-21.5°-22.5°

chlorid(%)

0.02 max

sulfate(%)

0.02 max

iron(ppm)

20 max

heavy metal(ppm)

10 max

organic volatiles

quality

drying shrinkage(%)

0.20 max

ignition residue(%)

0.10 max

content(%)

98.5—101.0

 

Packaging: 25KG / barrel

Transportation: avoid sun and rain, be transported as general chemicals but with  no toxic, hazard materials.

Storage: stored in dry clean dark environment, and not be mixed with toxic substances to avoid contamination.

Shelf life: two years
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