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High Quality Amidinohydrazinehemisulfate - aminoguanidinium sulphat – Hailun New Material

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High Quality Amidinohydrazinehemisulfate - 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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The organization upholds the philosophy of "Be No.1 in good quality, be rooted on credit history and trustworthiness for growth", will keep on to provide previous and new customers from home and overseas whole-heatedly for High Quality Amidinohydrazinehemisulfate - aminoguanidinium sulphat – Hailun New Material , The product will supply to all over the world, such as: Zambia, Spain, Tanzania, We have established long-term, stable and good business relationships with many manufacturers and wholesalers around the world. Currently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details.
  • The supplier cooperation attitude is very good, encountered various problems, always willing to cooperate with us, to us as the real God.
    5 Stars By Griselda from Myanmar - 2017.12.19 11:10
    The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Evelyn from Canada - 2017.05.21 12:31
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