Identification | Back Directory | [Name]
sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate | [CAS]
5979-27-1 | [Synonyms]
C.I.16510 Diamond Black SP Chrome Black PBG Mordant Black 51 C.I. Mordant Black 51 C.I.Mordant Black 51:C.I.16510 sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate 4-Hydroxy-3-[(1,5-dihydroxy-2-naphtyl)azo]-5-nitrobenzenesulfonic acid sodium salt 3-[(1,5-Dihydroxy-2-naphthalenyl)azo]-4-hydroxy-5-nitro-benzene sulfonic acid monosodium salt | [EINECS(EC#)]
227-782-8 | [Molecular Formula]
C16H10N3NaO8S | [MOL File]
5979-27-1.mol | [Molecular Weight]
427.321 |
Hazard Information | Back Directory | [Preparation]
3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid diazotization, and Naphthalene-1,5-diol?coupling. | [Properties and Applications]
black. Soluble in water for bordeaux red, right amount soluble in ethanol for orange red brown. In concentrated sulfuric acid for purple brown, dilution for red wine. Dye aqueous solution to join concentrated hydrochloric acid for red brown; With strong caustic is purple.
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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5
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6
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5
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3
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5
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5
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5
|
|
|
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