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Acid Yellow 23

Mainly used for printing, dyeing and direct printing of nylon, wool, silk and other textiles. Acid yellow Refined salt-free crude powder use for in
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Product Introduction

Product Info

Product name  Acid Yellow 23
CAS NO C16H9N4Na3O9S2
Formular 534.36
Molecular Weight 534.36
  Chemical Properties Orange-yellow uniform powder, 0.1% aqueous solution is yellow, odorless. Soluble in water, glycerol and propylene glycol, slightly soluble in ethanol, insoluble in grease. The solubility at 21°C is: 11.8% (water), 3.0% (50% ethanol). It has good heat resistance, acid resistance, light resistance and salt resistance, and is stable to citric acid and tartaric acid, but has poor oxidation resistance. It turns red when exposed to alkali and fades when reduced. The maximum absorption wavelength is 428nm±2nm. The oral LD50 of rats is greater than 2000 mg/kg, and the ADI is 0 to 7.5 mg/kg (FAO/WHO, 1994). Lemon yellow lake is a yellow fine powder, odorless. Slowly dissolves in acidic or alkali-containing aqueous solutions, and is insoluble in water and organic solvents. The heat resistance and light resistance are stronger than lemon yellow. Hot Tags: acid yellow 23, suppliers, manufacturers, factory, low price
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