Cysteamine Hydrochloride 75%
CAS No :156-57-0
Structural formula :HS-CH2-CH2-NH2·HCl

Properties
Colorless transparent liquid, the specific gravity is 1.3-1.4, melting point is 62-70°C
It is not inflammable and explosive chemicals, it is one kind of unstable matter in the light, it is easy to
be oxidized

Uses
It can be used in the making of cosmetics and pesticide. It also can be used applied in the making of
biochemical reagent and complex agent of heavy metal ions. It can react with enzyme of human body
and stabilize its performace when radiation is existing, therefore, it can be used in the curing of
radiation syndrome and the poison of tetraethyl lead. It can be made into tablets or injections.

Storage and packing
It should be stored in dry, cool and airiness place, avoid insolation and moisture, keep it far away from
metal ions.
200kg (75%) in plastic drum and the drum is filled with nitrogen for protection.

Production method
This product is made by one kind of unique method developed by our company. As one kind of
environmental friendly method, we are recycling Exhaust gas. The iron assay of finished product is
lowered to 3ppm or even less, therefore this product can meet the demands of those customers who
have higher requirement to product quality.
Cysteamine Hydrochloride Specification

Product type Index	75% aqueous solution made from 99%	75% aqueous solution made from 98%	75% aqueous solution made from 95%
Appearance	Colorless transparent liquid	Colorless transparent liquid	Colorless transparent liquid
Content of effective ingredient≥%	75.0	75.0	75.0
PH value	3-5	3-5	3-5
Ferric salt ion Fe3+≤ppm	10-3	80-15	100-40
Sulfate radical SO42- ≤%	-	-	-
Drying loss≤%	-	-	-
Melting point(degree C)	-	-	-

Appearance: Colorless transparent liquid, in accordance with Q/XQH160-2001
Standard valid period: two years.