red light yellow. Soluble in water for yellow light brown. The strong sulfuric acid for brown, after diluted brown precipitation. The dye solution to join strong hydrochloric acid for brown, have precipitation; Add sodium hydroxide have soluble brown precipitation.
Standard
Acid Resistance
Alkali Resistance
Light Fastness
Soaping
Water
Fading
Stain
Fading
Stain
ISO
4
4
1
2
2
Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt 준비 용품 및 원자재