H-Cys-OH.HCl.H2O

Structure Formula:

Molecular Formula:

C₃H₇NO₂S·HCL·H₂O

Molecular Weight:

175.63

Cas No:

[7048-04-6]

Characteristics:

White crystalline powder; tasteless, easily soluble in water but insoluble in alcohol and ether

Quality Standards:

AJI97

Item

Specifications (AJI97 )

Appearance

White crystalline powder

Specific rotation

+5.5°~+7.0°

Loss on drying, %

8.5~12.0

Transmittance, % 

≥98.0

Sulfate (as SO₄), %

≤0.02

Ammonium as (as NH₄), %

≤0.02

Iron (as Fe), %

 ≤0.001

Heavy Metals (as Pb), %

 ≤0.001

Arsenic (as As), %

  ≤0.0001

Chloride,%

   19.89~20.29

Residue on ignition, %

≤0.1

Other amino acid

 Chromatographically not detd

Characteristics and Uses:

 L-Cysteine  hcl monohydrate  is one of the important products the amino acid series. It is widely used in medical, chemical and food industries.
Used for biochemical reagent, foodstuff additive, antioxidant, antiseptics and cold permanent waving of hair, etc.

Package and Transport:

     Handle with care. Protect the product from sunshine or rain. Do not transport them together with poisonous or harmful goods. This product belongs to the non-dangerous category and can be transported as a general chemical product.

Storage:

     Stored in dry, clean and ventilated places. In order to avoid pollution, it is prohibited to place this product together with poisonous or harmful substances. The expiry date is for two years.