Acid Red 102
Name:C.I.Acid Red 102,C.I.14730
Molecular Structure: Single azo class
C.I.Acid Red 102,C.I.14730,CAS 5858-42-4,502.43,C20H12N2Na2O7S2
Molecular Formula:C20H12N2Na2O7S2
Molecular Weight: 502.43
CAS Registry Number:5858-42-4
Manufacturing Methods : 6-Aminonaphthalene-2-sulfonic acid diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.
Properties and Applications: red. Soluble in water for yellow light red. The strong sulfuric acid for product red, diluted for scarlet solution, then become yellow brown precipitation. Join the hydrochloric acid in aqueous solution after yellow brown precipitation; Add sodium hydroxide solution don’t change color.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 3 | 4-5 | 4 | 1 | 3-4 | 3 | 1 |
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