Product Description
Name:C.I.Direct Red 239
Molecular Structure: Double azo class CAS Registry Number: 60202-35-9Molecular Formula: C33H16Cu2N6Na4O17S4
Molecular Weight: 1115.82
Manufacturing Methods : Properties and Applications: red brown powder, soluble in water for yellow light red, soluble in strong sulfuric acid as blue-ray red purple, soluble in chloroform, DMF, etc organic solvent, insoluble in are: butanol, acetone, melting point > 300 ℃. Used for cellulose fiber dyeing, also can be used for paper, leather color.
Application
Dying/ Paper/ Ink
Widely used in viscose fiber dyeing, also used in viscose/PVA blends, cotton, and the carpet of dyeing and printing. Also used in leather, paper, soap, cheese, protein and formaldehyde resin color.
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