Цена по прейскуранту завода-изготовителя натрия сульфид натрия/NaHS CAS никакой. 16721-80-5 для кожаной промышленности

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Price:300,00 $ - 500,00 $
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Product Overview

Description



Product Description




Sodium Hydrosulfide

Colorless needle-like crystals. Easy to deliquesce. At the melting point, hydrogen sulfide is liberated. Easily soluble in water and alcohol. The aqueous solution is strongly alkaline. It reacts with acid to generate hydrogen sulfide. Bitter taste. The dye industry is used to synthesize organic intermediates and the auxiliary agent for the preparation of sulfur dyes, and the leather industry is used for the dehairing and tanning of hides.




Specification


Item
Standards           
Result
NaHS (%)
70.0Min
70.8
Na2S (%)
0.5Max
0.5
Na2SO3 (%)
1.5Max
1.03
Fe (%)
0.003Max
0.0029
NaCO3 (%)
1.0Max
1.0
Matter insoluble in water (%)
0.005Max
0.005


Application


Sodium Hydrosulfide
1. Dyestuff industry is used to synthesize organic intermediates and auxiliary agents for the preparation of sulfur dyes.
2. In the tanning industry, it is used for dehairing and tanning of hides, and also for wastewater treatment.
3. In the chemical fertilizer industry, it is used to remove the monomer sulfur in the activated carbon desulfurizer.
4. It is the raw material for the manufacture of semi-finished products of ammonium sulfide and pesticide ethyl mercaptan.
5. The mining industry is widely used in copper ore beneficiation.
6. Used in sulfurous acid dyeing in man-made fiber production.



Packing & Delivery




Package: 25kg /1000kg woven bag with PE inner liner
20-22 MT with pallet by 20GP FCL, and 25MT without pallet by 20GP FCL.
Storage: Sodium sulfide shall be sealed and stored in the dry and ventilated place to prevent from rain ,high temperature and strong sunlight.



Company Profile




Shandong Aojin Chemical Technology Co., Ltd. is located in the New Material Trading Center of Zibo City, Shandong Province. Founded in 2009. We have produced and sold chemical raw materials for more than ten years. Our main products are alcohols, benzene, esters, alkanes, amines, acids, ketones, ethers. Especially n-octanoic acid, isooctyl alcohol, isobutanol, o-divinylbenzene, DOP, DBP, MMA, PM, BPA, NPG, etc.

Aojin products have passed third-party tests, such as SGS and BV tests; customers are our life. With sincere, fast, high-quality and efficient services, we have become a trustworthy enterprise for customers. At present, our products sell well in the United States, Europe, Japan, South Korea, South America, Southeast Asia and other countries and regions.


FAQ


1: May I have a sample order?
Yes, we welcome sample order to test and check our quality. Send me your requirement of the product you need. We can provide free sample, you just provide us the freight collect.

2: What is your acceptable payment term?
L/C,T/T,Western Union.

3: How about the validity of the offer?
Usually our offer is valid for 1 week. However, validity might vary between different products.

4: What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of lading, COA, MSDS and Origin Certificate. Please let us know if you need additional documents.

5: Which loading port?
Usually loading port is Qingdao port, besides, Shanghai Port, Lianyungang Port is totally no problem for us, and also we can ship from other ports as your requirement


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