Acid Scarlet GR

CAS: 5413-75-2
Molecular Formula: C22H14N4Na2O7S2
Molecular Weight: 556.490
Product description:Yellow light red powder. Red solution is dissolved in water, soluble in alcohol and soluble fiber, soluble in acetone, insoluble in other organic solvents. Diluted generated in sulfuric acid with reddish purple, red and brown precipitate; When nitric acid is blue, the olive brown turned orange. The aqueous solution of concentrated hydrochloric acid to generate dark brown precipitate, adding sodium hydroxide solution generated dark brown precipitate. When dyed in copper, iron ion color darker. The characteristic of discharge.For wool fabric dyeing, also used for paper and leather dyeing. Can also be used for plastic, wood, spices, medicine, electrochemical coloring of aluminum and cement. Can also be used in the manufacture of ink. The heavy metal salts can make paint.