| Identification | Back Directory | [Name]
INDIGOSOL O, DISODIUM SALT | [CAS]
3875-70-5 | [Synonyms]
Solvat Blue O
Tinosol Blue O
Cibantine Indigo
Fenanthra Blue O
Indigosol O Extra
Soledon Indigo LL
Soledon Indigo LLS
Solubilised Vat Blue 1
Mikethrene Soluble Blue O
INDIGOSOL O, DISODIUM SALT
C.I.Solubilised Vat Blue 1 :C.I.73002
disodium [2,2'-bi-1H-indole]-3,3'-diyl disulphate
sodium 1H,1'H-[2,2'-biindole]-3,3'-diyl bis(sulfate)
disodium [2-(3-sulfato-1H-indol-2-yl)-1H-indol-3-yl] sulfate
disodium [2-(3-sulfonatooxy-1H-indol-2-yl)-1H-indol-3-yl] sulfate
2,2'-BIINDOLE-3,3'-DIOL, BIS(HYDROGEN SULFATE ESTER), DISODIUM SALT
[2,2’-bi-1h-indole]-3,3’-diol,bis(hydrogensulfate)(ester),disodiumsalt | [EINECS(EC#)]
223-399-5 | [Molecular Formula]
C16H13N2NaO8S2 | [MDL Number]
MFCD01112295 | [MOL File]
3875-70-5.mol | [Molecular Weight]
448.4 |
| Chemical Properties | Back Directory | [Melting point ]
>101°C (dec.) | [storage temp. ]
Hygroscopic, -20°C Freezer, Under inert atmosphere | [solubility ]
Methanol (Slightly), Water (Slightly) | [form ]
Solid | [color ]
Yellow to Very Dark Green | [Stability:]
Hygroscopic | [EPA Substance Registry System]
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| Hazard Information | Back Directory | [Uses]
Indigosol O is an indigo dye used for cotton. | [Preparation]
(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 1 leuco; (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing C.I. Vat Blue 1. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out. | [Properties and Applications]
Navy blue to red navy. Soluble in water and Etanol. In the Sodium hydroxide solution without change; In concentrated sulfuric acid for brilliant green. Mainly used for dyeing cotton fabric. Alkaline reduction leuco for yellow; Acid reduction leuco colorless. To cotton direct sex low, good levelness. Can also be used to viscose and adhesive/cotton blended fabric dyeing.
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Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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Fading
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Stain
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ISO
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4
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2
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3
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4
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3-4
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|
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AATCC
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3
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1-2
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3
|
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2-3
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