D-Penicillamine (China)

Common Name: D-Penicillamine

Formula: C5H11NO2S

Other name: D-3-mercapto-valine

Packaging: 10kg in a two layer medicinal polyethylene bag and a medicinal multiple bag, 20kg in fiber drum.

Specification:

Molecular Formula C5H11NO2S

Molecular weight 149.2

Characteristics White or almost white, crystalline powder, freely soluble in water, slightly soluble in alcohol, practically insoluble in ether.

Identification Positive

Specifications optical rotation -61.0°~ -65.0°

PH 4.5 ~ 5.5

Loss on drying =0.5

Sulphated ash = 0.1

Heavy metals =20ppm

Penicillin =0.1ppm

Penicillamine disulphide =1

Mercury =10ppm

Ultraviolet - absorbing substance 268nm=0.07

Assay 98.0 - 101.0

Currency: USD

Unit Price: by order

Quantity: 100kg

Delivery: prompt delivery