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Scarlet red
Molecular formula: C24H20N4O
molecular weight: 380.45
CAS:

temperature: 188 ° C
traits: dark red powder.
solution: do not dissolve in water, ethanol-soluble, benzene and acetone, dissolved in chloroform (ml soluble 1g), oil, grease, wax, phenol.
purposes: to paint, shoe polish, plastics, oil, soap, candles, etc. coloring. Preparation or
Source: o-toluidine as raw materials in hydrochloric acid solution with sodium nitrite to diazotization reaction of diazonium salt, coupled with o-toluidine, Generation (single) azo compounds, and then diazotization, Generation (single) azo diazonium salt, alkali solution in the final and β - naphthol coupling can be obtained.
Note: softening point of 175 ° C and 290 ° C, completely decomposed. Heat resistance, acid and alkali resistance of the fine.



Notice:Each item can have many explanations from different angels. If you want grasp the item comprehensively,please see below "more details data".
Structure:
Please see below "More Detailed Data"
More Detailed Data:
1) Benzenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-5-[(4-sulfophenyl)azo]-, disodium salt
2) Perylene Scarlet;Perylene Red BL
3) scarlet red acid sodium salt
4) carbonyl-J-acid
5) Scarlet acid
6) 颜料猩红
7) scarlet acid;phosgenated J-acid;red acid
8) 7,7'-(carbonyldiimino)bis[4-hydroxy-2-Naphthalenesulfonic acid
9) 7,7'-(Carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid];4,4'-Dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid);6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid)
10) Toluidine Red
Notice Some description was translated by software and the data is only as a reference.
Patent: