Identification | Back Directory | [Name]
1H-Benz[6,7]indazolo[2,3,4-fgh]naphth[2'',3'':6',7']indolo[3',2':5,6]anthra[2,1,9-mna]acridine-2,7,10,15-tetrol, tetrakis(hydrogen sulfate) (ester), tetrasodium salt | [CAS]
34599-04-7 | [Synonyms]
Solubilised Vat Black 8 C.I.Solubilised Vat Black 8:C.I.71001 1H-Benz[6,7]indazolo[2,3,4-fgh]naphth[2'',3'':6',7']indolo[3',2':5,6]anthra[2,1,9-mna]acridine-2,7,10,15-tetrol, tetrakis(hydrogen sulfate) (ester), tetrasodium salt | [EINECS(EC#)]
609-005-8 | [Molecular Formula]
C45H24N3NaO16S4 | [MOL File]
34599-04-7.mol | [Molecular Weight]
1013.92 |
Hazard Information | Back Directory | [Preparation]
(a) in the presence of Pyridine , with Chlorosulfonic acid treatment ?C.I. Vat Black 8 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 Black 8. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out. | [Properties and Applications]
blue light grey.
Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
|
Oxygen bleach
|
Soaping
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Fading
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Stain
|
ISO
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4
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4-5
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7
|
4
|
5
|
4
|
5
|
|
|
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