Sodium nitrite is an inorganic compound with the chemical formula NaNO2. It is a white crystalline powder, easily soluble in water, slightly soluble in ethanol, methanol, and ether. It is mainly used to make azo dyes and can also be used as a mordant for fabric dyeing. agent, bleach, metal heat treatment agent.
1. Chromatographic analysis.
2. Drop analysis is used to determine mercury, potassium and chlorate.
3. Diazotization reagent.
4. Nitrosating reagent.
5. Soil analysis.
6. Mordant used for fabric dyeing.
7. Bleach for silk and linen.
8. Metal heat treatment agent.
9. Steel corrosion inhibitor.
10. Used as a corrosion inhibitor in the electroplating industry, it can significantly prevent or slow down the corrosion rate of metals.
11. Adding alkaline degreaser can reduce the alkalinity and have anti-rust effects on steel parts.
12. As a concrete admixture, sodium nitrite can be used as an early strength agent to improve the early strength of concrete; as a rust inhibitor to prevent steel bars from rusting; as an antifreeze agent to prevent freezing damage to concrete during winter construction.
Qingdao Fangjinlong Technology Development Co., Ltd. was founded in 2010 and is located in Qingdao City, Shandong Province,
on the coast of the beautiful Bohai Bay. Focus on chemical production and sales for more than 20 years; We have all kinds of dangerous goods licenses; Rich experience in safe transportation; Provide high-quality customer service; and Deliver high-quality products and services to all parts of the world anytime, anywhere.
The company invested in and participated in the operation of two production enterprises in 2006, mainly producing chemical products related to water environmental engineering, including Sodium Hypochlorite, Ferric Chloride, sodium acetate, Polyferric Sulfate,
Polyaluminum Chloride, etc. In 2008, in the laboratory independently operated by the company, famous researchers from the
School of Environmental Science and Engineering, Ocean University of China jointly conducted research and development on sewage treatment chemicals and sludge reduction technology and made breakthrough progress. Obtained three national patents in one fell swoop. In the same year, it was awarded the title of high-quality supplier of large water group companies such as Qingdao Water Group, and Everbright Water Group.
In May 2013, the company invested in the establishment of Qingdao Fangjinlong Supply Chain Co., Ltd., an enterprise in China
(Shandong) Qingdao Free Trade Pilot Zone, which greatly promoted the development of international business. The expansion of
main products involves mining chemical products, petrochemical products, sewage treatment chemical products, food additives, etc.
In order to facilitate the transportation of goods, the company cooperates with well-known freight companies in Huangdao District, Qingdao, and can independently complete the storage and transshipment business of the warehouse, which greatly improves the convenience and safety of goods transportation. Up to now, the company has reached long-term and stable cooperative relations
with 36 companies from South America, North America, Europe, the Middle East, Russia, and other countries and regions. In 2022, the export volume exceeded 80 million US dollars, accounting for 30% of the company's total revenue.
For many years, relying on our rich market experience, precise corporate strategy, and excellent scientific and technological talents, the company has been steadily and continuously moving forward on the track of specialization and diversification.
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Sodium nitrite is an inorganic compound with the chemical formula NaNO2. It is a white crystalline powder, easily soluble in water, slightly soluble in ethanol, methanol, and ether. It is mainly used to make azo dyes and can also be used as a mordant for fabric dyeing. agent, bleach, metal heat treatment agent.
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