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cysteamine hydrochloride crystallization 99%
cas no :156-57-0
structural formula :hs-ch2-ch2-nh2路hcl



properties
white crystal, the specific gravity is 1.3-1.4, melting point is 62-70掳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(for example,hair dye). it also can be applied in the making of biochemical reagent and complex agent of heavy meatl ions.

storage and packing
it should be stored in dry, cool and airiness place, avoid insolation and moisture, keep it far away from metal ions.
25kg(99.0%) in double-layer pe bag lined carton, the bag is filled with nitrogen for protection.


production method
this products 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

99% crystal

99% crystal

99% crystal

appearance

white crystal

white crystal

white crystal

content of effective ingredient ≥%

99.0

99.0

99.0

ph value

3-5

3-5

3-5

ferric salt ion fe3+≤ppm

3

2

1

sulfate radical so42- ≤%

0.5

0.5

0.5

drying loss≤%

0.5

0.5

0.5

melting point(degree c)

62-70

62-70

62-70


appearance: transparent crystal, in accordance with q/xqh160-2001standard,valid period: two years.

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