| Identification | Back Directory | [Name]
disodium 4-amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-(1-naphthylazo)naphthalene-2,7-disulphonate | [CAS]
5850-34-0 | [Synonyms]
C.I.20440
Acid Green 19
Mordant Green 11
C.I.Acid Green 19
Wool Fast Green B
Acid green 19 (C.I. 20440)
C.I.Acid Green 19:C.I.20440
C.I.Mordant Green 11:C.I.20440
disodium 4-amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-(1-naphthylazo)naphthalene-2,7-disulphonate
2,7-Naphthalenedisulfonic acid, 4-amino-3-(2,5-dichlorophenyl)azo-5-hydroxy-6-(1-naphthalenylazo)-, disodium salt
4-Amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-(naphthalen-1-ylazo)-2,7-naphthalenedisulfonic acid disodium salt | [EINECS(EC#)]
227-448-1 | [Molecular Formula]
C26H15Cl2N5Na2O7S2 | [MDL Number]
MFCD00050440 | [MOL File]
5850-34-0.mol | [Molecular Weight]
690.442 |
| Hazard Information | Back Directory | [Preparation]
2,5-Dichlorobenzenamine diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?in acid conditions coupled, its product again with diazo of Naphthalen-1-amine in alkaline conditions coupled. | [Properties and Applications]
Dark blue light green. Soluble in water for blue light green, and partly dissolved in ethanol. The strong sulfuric acid for blue-ray black, diluted change to blue. The dye solution to join strong hydrochloric acid for blue-ray green; Add thick sodium hydroxide solution for red light blue.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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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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5
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4
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4
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2
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4
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5
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