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What is Sodium Sulphide CAS 1313-82-2 ?

Industrial sodium sulfide is generally a mixture with different crystalline water, the molecular formula Na2S·nH2O, yellow or reddish-brown block, flake and granular, mainly used in papermaking, dye, mineral processing, printing and dyeing industries. GB/ T10500-2000 standard divides industrial sodium sulfide products into three categories: Class 1 is common sodium sulfide (commonly known as red alkali); The second type is low iron sodium sulfide (commonly known as flavine); Category 3 is high sodium sulfide content.

Application of Sodium Sulphide CAS 1313-82-2 :

China's sodium sulfide originated in the 1830s and started small-scale production from a chemical plant in Dalian, Liaoning Province. From the 1980s to the mid-1990s, with the vigorous development of the international chemical industry, the domestic sodium sulfide industry underwent fundamental changes, with the rapid growth of manufacturers and scale. The production area of sodium sulfide, centered in Yuncheng, Shanxi Province, has rapidly expanded to more than 10 provinces and regions, including Yunnan, Xinjiang, Inner Mongolia, Gansu, Qinghai, Ningxia and Shaanxi. The national annual production capacity soared from 420,000 tons in the late 1980s to 640,000 tons in the mid-1990s. The fastest growth rate of its output is in northwest China's Inner Mongolia, Gansu, Xinjiang region. The production capacity of Inner Mongolia has reached 200,000 tons, making it the largest production base of sodium sulfide products in China.

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