Detail
[character] white flake crystal.
[dissolution] it is slightly soluble in water and ethanol, almost insoluble in benzene and chloroform, and quickly turns brown after being dissolved in alkaline solution.
[content] ≥ 98.0%
[moisture] ≤ 0.5%
[burning residue] ≤ 1.0%
[use] the product is medicine; Intermediates of fine chemicals such as dyes. For the production of the drug paracetamol; Azo dyes; Sulfide dyes; Acid dyes; Fur dye (fur Brown P) and developer; Antioxidants and petroleum additives.
[precautions for use safety] this product is toxic and should prevent infection of the mouth, nose and injured skin.
[production method]
1. Iron powder reduction method is obtained by reduction of p-nitrophenol.
2. Hydrogenation reduction method
[packaging, storage and transportation] 40kg paper plastic composite bag
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