Identification | Back Directory | [Name]
NAPHTHALENE SCARLET B | [CAS]
5858-42-4 | [Synonyms]
C.I.14730 Acid Red 102 C.I.Acid Red 102 NAPHTHALENE SCARLET B C.I.Acid Red 102:C.I.14730 Double Brilliant Scarlet 3R disodium 4-hydroxy-3-[(6-sulphonato-2-naphthyl)azo]naphthalenesulphonate 4-Hydroxy-3-[(6-sulfo-2-naphtyl)azo]-1-naphthalenesulfonic acid disodium salt disodium,(3Z)-4-oxo-3-[(6-sulfonatonaphthalen-2-yl)hydrazinylidene]naphthalene-1-sulfonate | [EINECS(EC#)]
227-491-6 | [Molecular Formula]
C20H12N2Na2O7S2 | [MDL Number]
MFCD00083025 | [MOL File]
5858-42-4.mol | [Molecular Weight]
502.43 |
Hazard Information | Back Directory | [Preparation]
6-Aminonaphthalene-2-sulfonic acid diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid. | [Properties and Applications]
red. Soluble in water for yellow light red. The strong sulfuric acid for product red, diluted for scarlet solution, then become yellow brown precipitation. Join the hydrochloric acid in aqueous solution after yellow brown precipitation; Add sodium hydroxide solution don’t change color.
Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
|
Fastness to seawater
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Fading
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Stain
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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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3
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3
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4-5
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4
|
1
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3-4
|
3
|
1
|
|
|
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