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Factory wholesale Polyhexamethylene Guanide Hydrochloride - Aminoguanidine Hydrochloride – Hailun New Material

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We offer great strength in quality and development,merchandising,sales and marketing and operation for Ata, 3-Amino-1 2 4-Triazole Cas, Polyhexamethyleneguanidine Hydrochloride, Our firm is dedicated to giving shoppers with significant and steady high quality goods at aggressive price tag, generating every single customer satisfied with our products and services.
Factory wholesale Polyhexamethylene Guanide Hydrochloride - Aminoguanidine Hydrochloride – Hailun New Material Detail:

Product name:carbazamidine hydrochloride; (diaminomethylidene)hydrazinium chloride
Molecular Formula:CH6N4HCL
CAS1937-19-5
Molecular Weight:110.55
Structural Formula:

yy1

 

Use:Pharmaceutical, veterinary drugs

Index name

Index Value

Appearance

White like crystalline powder

Content

98%

99%

Insoluble Substances

0.2%

0.1%

Loss on Drying

1.5%

1%

Ignition Residue

0.2%

0.1%

Iron Content(Fe)

10 ppm

6 ppm

Free Acid

0.8%

0.5%

preparation

Preparation of aminoguanidine hydrochloride: 9 g of aminoguanidine carbonate was put into a 250ml three port flask, 20ml of absolute ethanol was added, the solid was insoluble in anhydrous ethanol to form a suspension. Under stirring at room temperature, the mixture of 6ml 30% concentrated hydrochloric acid and 10ml of absolute ethanol was dropwise added until there was no bubble, and then stirring reaction was continued at room temperature for 1 hour. The obtained suspension was heated to dissolve the solid completely, and then it was naturally lowered to room temperature. After being moved to the refrigerator and placed overnight, the white rod-shaped crystal with melting point of 166-167 was obtained.

Application

Daidzein has a variety of pharmacological effects, prevention and treatment of a variety of diseases. Cn200910144204.1 reported that aminoguanidine hydrochloride can be used to prepare a chemically modified daidzein, namely, daidzein 7,4 ‘- oxy aminoguanidine acetate. The soybean aglycone 7,4 ‘- oxy aminoguanidine acetate is a prodrug compound, which releases the parent drug – daidzein under physiological conditions, and improves its water solubility by covalent binding.

The preparation of Daidzein 7,4 - o-aminoguanidine acetate: 0.5g aminoguanidine hydrochloride was dissolved in 100ml acetone, 0.02g phase transfer catalyst, 0.5g anhydrous potassium carbonate, 0.5g 7,4 - chloroacetyl daidzein and 0.02g I2 were added into the solution. The reaction was carried out at room temperature for 24 hours. Acetone was evaporated from the filtrate under reduced pressure, and then separated by silica gel column. The eluent was ethyl acetate petroleum ether When the ratio is 1 2, the white powder solid is obtained.

 

 


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We'll make every effort and hard work to be superb and excellent, and speed up our steps for standing inside the rank of intercontinental top-grade and high-tech enterprises for Factory wholesale Polyhexamethylene Guanide Hydrochloride - Aminoguanidine Hydrochloride – Hailun New Material , The product will supply to all over the world, such as: Lahore, Jakarta, Israel, We set "be a creditable practitioner to achieve the continuous development and innovation" as our motto. We would like to share our experience with friends at home and abroad, as a way to create a bigger cake with our joint efforts. We have several experienced R & D persons and we welcome OEM orders.
  • Reasonable price, good attitude of consultation, finally we achieve a win-win situation,a happy cooperation!
    5 Stars By Adam from Cairo - 2017.11.29 11:09
    The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Hulda from Latvia - 2018.08.12 12:27
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