| Identification | Back Directory | [Name]
Direct Red 16 | [CAS]
6227-02-7 | [Synonyms]
C.I.27680
Einecs 228-323-4
C.I.Direct Red 16
MMFAIRVIRUMWLM-DBHLKOEUSA-L
C.I.Direct Red 16:C.I.27680
C.I. Direct red 16, disodium salt
Disodium 7-amino-4-hydroxy-3-((5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl)azo)naphthalene-2-sulphonate
7-Amino-4-hydroxy-3-[[5-hydroxy-6-(phenylazo)-7-sulfo-2-naphtyl]azo]-2-naphthalenesulfonic acid disodium salt
2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-5-hydroxy-6-(phenylazo)-7-sulfo-2-naphthalenylazo-, disodium salt
7-Amino-4-hydroxy-3-[[5-hydroxy-6-(phenylazo)-7-sulfo-2-naphthalenyl]azo]-2-naphthalenesulfonic acid disodium salt
disodium,(3Z)-7-amino-4-oxo-3-[[(6E)-5-oxo-6-(phenylhydrazinylidene)-7-sulfonatonaphthalen-2-yl]hydrazinylidene]naphthalene-2-sulfonate
2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-(2-(5-hydroxy-6-(2-phenyldiazenyl)-7-sulfo-2-naphthalenyl)diazenyl)-, sodium salt (1:2) | [EINECS(EC#)]
228-323-4 | [Molecular Formula]
C26H20N5NaO8S2 | [MDL Number]
MFCD00071860 | [MOL File]
6227-02-7.mol | [Molecular Weight]
617.58 |
| Hazard Information | Back Directory | [Uses]
C.I. Direct red 16 is a good dyeing agent for cotton fabrics. | [Preparation]
aniline diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupled its product to diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling. | [Flammability and Explosibility]
Nonflammable | [Properties and Applications]
red. Soluble in water for product red, slightly soluble in ethanol peach pink, insoluble in other organic solvents. The strong sulfuric acid for blue, red to orange diluted to brown, and a red precipitate.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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ISO
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4
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3-4
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2
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1-2
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1
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AATCC
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4
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3
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1-2
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1
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1
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| [References]
[1] Sawada K, Ueda M. Adsorption behavior of direct dye on cotton in non-aqueous media[J]. Dyes and pigments, 2003, 58(1): 37-40. |
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