| Identification | Back Directory | [Name]
Dibenzo[def,mno]chrysene-6,12-diol, diethoxy-, 6,12-bis(hydrogen sulfate), sodium salt (1:2) | [CAS]
1324-23-8 | [Synonyms]
Solubilised Vat Violet 7
C.I.Solubilised Vat Violet 7 :C.I.59321
Dibenzo[def,mno]chrysene-6,12-diol, diethoxy-, 6,12-bis(hydrogen sulfate), sodium salt (1:2) | [EINECS(EC#)]
603-587-7 | [Molecular Formula]
C26H20O10S2.2Na | [Molecular Weight]
602.55 |
| Hazard Information | Back Directory | [Preparation]
(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Violet 7 leuco; (b) in the Pyridine with metal (such as copper, iron, catalpa, etc.) and Sulfur trioxide source (such as Sulfur trioxide, chlorosulfonic acid or chlorosulfonic acid methyl ester, etc.) processing C.I. Vat Violet 7. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out. | [Properties and Applications]
purple.
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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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4-5
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4-5
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6-7
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4-5
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5
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