| Identification | Back Directory | [Name]
Eriochrome Black A | [CAS]
3618-58-4 | [Synonyms]
CI 15710
NSC73413
NSC-73413
NSC 73413
CI NO 15710
DIAMOND BLACK
CHROME BLACK A
MORDANT BLACK 1
Diacromo Black AS
C.I.MORDANTBLACK1
ERIOCHROME BLACK A
Acid chrome black A
Chromogene Black VA
Acid mordant Black 1
Mordant black 1 (C.I. 15710)
C.I.Mordant Black 1:C.I.15710
Acid mordant Black 1 (technical)
Eriochrome black A (Mordant-black 1)
Eriochrome Black A@100 μg/mL in Methanol
2',3-Dihydroxy-7-nitro-(1',4-azobisnaphthalene)-1-sulfonic acid sodium salt
sodium 3-hydroxy-4-[(2-hydroxynaphthyl)azo]-7-nitronaphthalene-1-sulphonate
SodiuM 3-hydroxy-4-[(2-hydroxy-1-naphthyl)diazenyl]-7-nitronaphthalene-1-sulfonate
(4Z)-4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-7-nitro-3-oxonaphthalene-1-sulfonate
3-Hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonic acid sodium salt
1-Naphthalenesulfonic acid, 3-hydroxy-4-(2-hydroxy-1-naphthalenyl)azo-7-nitro-, monosodium salt | [EINECS(EC#)]
222-807-9 | [Molecular Formula]
C20H12N3NaO7S | [MDL Number]
MFCD00054390 | [MOL File]
3618-58-4.mol | [Molecular Weight]
461.38 |
| Hazard Information | Back Directory | [Preparation]
4-Amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid diazotization, and Naphthalen-2-ol coupling. | [Properties and Applications]
blue light gray to black. Black powder. Soluble in water for navy blue, in the water solubility 60 g/l (80 ℃), slightly soluble in ethanol and Acetone. In concentrated sulfuric acid for blue, yellow after diluted into light brown; In concentrated nitric acid for red orange. Its aqueous solution for navy blue, join concentrated hydrochloric acid to pale yellow light brown; Join strong caustic into orange brown. Dyeing wool in nitric acid into black light purple, and have a slight white streaks. Mainly used for wool fabric dyeing, also can be used for silk and nylon dyeing, also can be used for wool and a variety of fiber blended fabric dyeing, can be in acetic acid chromium pretreatment of wool fabric direct printing. Also used in the leather dyeing.
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Standard
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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|
ISO
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4-5
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|
5
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4-5
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5
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5
|
5
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AATCC
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4-5
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|
4-5
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|
5
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5
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5
|
|
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