欧美日本日韩aⅴ在线视频,把腿扒开做爽爽视频,翁公和在厨房猛烈进出,XYX性爽欧美三人交

Products

Product Center

Cysteamine Hydrochloride

Cysteamine Hcl 99%, Cysteamine Hcl 75%, Cysteamine hydrochloride

Chemical name:
Cysteamine Hydrochloride

Molecular formula:
C2H7NS??HCl

Cysteamine Hydrochloride Properties:
White whole milk or powdered crystal,noninflammable and nonexplosive products,special gravity:1.3-1.4. Slight odor and deliquesce. It can react with organic substance in condensation way. It is the chelating agent of metal ion.

Cysteamine Hydrochloride Use:
Main material to produce ranitidine,also can be used to produce cosmetics,feed additive,biochemical reagent,complexing agent of heavy metal ion.

Cysteamine Hydrochloride Storage and packing:
This product has different kinds of specifications according to the requirements of customers,generally 98%-99% powdered form and 95%-98% lumpy. Powder is packed in cardboard drum with polyethylene film bag,25kg per drum;Solid is packed in plastic drum with polyethylene ,30-60kg per drum or 60kg per drum;aqueous solution is packed metal pail with plastic,200kg per pail;It should be stored in dry, cool and draughty place.

Cysteamine Hydrochloride Specification:
Appearance:White powder or colorless transparent liquid(with different specifications), in accordance with Q/XQH160-2001 standard,valid period: two years.

Index\product type 99% powder 99% powder 98% lumpy 95% lumpy 75% aqueous solution
Appearance
White powder
White crystal
White lumpy
White lumpy
Colorless transparent liquid
Content of effective ingredient ≥%

99.0

99.0

98.0

95.0

75.0

Ph value

4-5

4-5

4-5

4-5

4-5

Ferric salt ion≤ppm

10

10

100

200

50 or 8

Sulfate radical SO-2 ≤%

0.5

0.5

-

-

-

Drying loss≤%

0.5

0.5

-

-

-

Melting point

62-70

62-70

60-70

60-70

-

 


[Page Up] [Page Down]