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China wholesale Aminoguanidine Hemisulfate - aminoguanidinium sulphat – Hailun New Material

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With this motto in mind, we've got develop into amongst one of the most technologically innovative, cost-efficient, and price-competitive manufacturers for Aminoguanidinium Sulphate, Polyhexamethyleneguanidine Hydrochloride, 4-Triazole-5-Thiol, Our products enjoy good popularity among our customers. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
China wholesale Aminoguanidine Hemisulfate - aminoguanidinium sulphat – Hailun New Material Detail:

Product Name: aminoguanidinium sulphat
Molecular Formula:C2H14N8SO4
CAS: 966-19-0
Melting Point:206 degrees
Structural Formula:

115

Use:pharmaceutical, automobile industry, explosive

synthetic method:

(1) It is obtained by the action of hydrazine sulfate and lime nitrogen and neutralization with sulfuric acid to form salt: first, suspend hydrazine sulfate in water, gradually add lime nitrogen under cooling and agitation, control the temperature at about 20 ℃, react for 8h, then filter, wash the filter cake with water, and drain; combine the filtrate and washing solution, neutralize with 50% sulfuric acid at room temperature to pH = 5, filter and remove calcium sulfate, and concentrate the mother liquor through decompression After cooling, white crystals are precipitated, washed with ice water and dried, the yield is about 72%. (2) From the reaction of methyl isothiourea sulfate and hydrazine hydrate, 119ml 42% hydrazine hydrate solution was diluted with equal volume of water, and then it was added to 139g of methyl isothiourea sulfate in 200ml aqueous solution at a temperature of 10 ℃. The methyl mercaptan released from the reaction is absorbed into the sodium hydroxide solution. After the reaction solution is concentrated to 200ml, 95% ethanol of the same volume is added, namely, aminoguanidine sulfate is separated out, and crystallization is filtered out. The mother liquor can also be partially crystallized. Drying the crystal in 

Index name

Index Value

Appearance

White crystalline powder

Content

≥98%

≥99%

Insoluble Substances

≤0.1%

≤0.08%

Loss on Drying

≤0.3%

≤0.2%

Ignition Residue

≤0.3%

≤0.1%

Iron Content (Fe)

15 ppm

10 ppm

Free Acid

≤0.8%

≤0.5%

vacuum is the finished product. The yield is 90%.

Storage precautions: store in a cool and ventilated warehouse. The storage temperature should not exceed 37 ° C. It should be stored separately from oxidant and edible chemicals, and mixed storage is forbidden. Keep container sealed. Keep away from fire and heat. The warehouse must be equipped with lightning protection equipment. The air exhaust system shall be equipped with grounding device to remove static electricity. Adopt explosion-proof lighting and ventilation settings. It is forbidden to use spark prone equipment and tools. The storage area shall be equipped with leakage emergency treatment equipment and appropriate receiving materials

 


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Our group through specialist training. Skilled expert knowledge, sturdy sense of assistance, to fulfill the provider needs of shoppers for China wholesale Aminoguanidine Hemisulfate - aminoguanidinium sulphat – Hailun New Material , The product will supply to all over the world, such as: Slovakia, Anguilla, Anguilla, We always adhere to follow the honesty, mutual benefit, common development, after years of development and the tireless efforts of all staff, now has perfect export system, diversified logistics solutions, comprehensive meet customer shipping, air transport, international express and logistics services. Elaborate one-stop sourcing platform for our customers!
  • Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces,a nice business partner.
    5 Stars By Phoebe from Madrid - 2017.10.13 10:47
    Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
    5 Stars By Andrew from Greek - 2017.11.11 11:41
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