C.I.17580;Acid Black 31;C.I.Acid Black 31;C.I.Acid Black 31:C.I.17580;sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate;sodium,5-[2-(2-methoxy-4-nitrophenyl)hydrazinyl]-4-oxo-6-phenyliminonaphthalene-2-sulfonate;4-Hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)-2-naphthalenesulfonic acid sodium salt;sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate ISO 9001:2015 REACH
sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate C화학적 특성, 용도, 생산
제조 방법
2-Methoxy-4-nitrobenzenamine diazo, in acid conditions and 4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid coupling.
Properties and Applications
blue and black. Blue-ray black powder. Soluble in water for purple to blue-black, soluble in ethanol for purple. The strong sulfuric acid are purple to blue-black, a grey purple diluted. Its water solution and strong hydrochloric acid for violet black; Add thick as a hydrogen oxidation solution tresses. Mainly used for wool fabric and wool/rayon blended fabric dyeing, pitch-black degree good, high fastness. Also used in leather dyeing.
Standard
Light Fastness
Soaping
Persperation Fastness
Oxygen bleaching
Fastness to seawater
Fading
Stain
Fading
Stain
Fading
Stain
ISO
6
3
3
4
2
4-5
AATCC
6
3-4
3-4
4-5
1
4-5
sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate 준비 용품 및 원자재