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Formamide, N,N'-1,4-phenylenebis-, reaction products with 4-methyl-1,3-benzenediamine and sulfur, leuco derivs.

Formamide, N,N'-1,4-phenylenebis-, reaction products with 4-methyl-1,3-benzenediamine and sulfur, leuco derivs. ??? ???
?? ??:
71838-68-1
???:
Formamide, N,N'-1,4-phenylenebis-, reaction products with 4-methyl-1,3-benzenediamine and sulfur, leuco derivs.
???(??):
Leuco Sulphur Brown 26;C.I. Leuco Sulfur Brown 26;C.I.Leuco Sulphur Brown 26:C.I.53090;Formamide, N,N'-1,4-phenylenebis-, reaction products with 4-methyl-1,3-benzenediamine and sulfur, leuco derivs.;Formamide, N,N'-1,4-phenylenebis-, reaction products with 4-methyl-1,3-benzenediamine and sulfur, leuco derivatives
CBNumber:
CB8921853
???:
C22H24N6Na2O2S3
??? ??:
546.6395
MOL ??:
71838-68-1.mol

Formamide, N,N'-1,4-phenylenebis-, reaction products with 4-methyl-1,3-benzenediamine and sulfur, leuco derivs. ??

??
1.849 at 20℃
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??
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LogP
-1.3 at 20℃ and pH7.7
EPA
C.I. Leuco Sulphur Brown 26 (71838-68-1)

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Formamide, N,N'-1,4-phenylenebis-, reaction products with 4-methyl-1,3-benzenediamine and sulfur, leuco derivs. C??? ??, ??, ??

?? ??

3 parts of??4-Methylbenzene-1,3-diamine, 2 parts of?N-(4-formamidophenyl)formamide?and 50 parts of the mixture of sulfur in 210 ℃ calcination 13 hours. At higher temperature dye color is red darker, have higher tinting strength.

Properties and Applications

yellow brown.
Standard Acid Resistance Alkali Resistance Light Fastness Fulling Persperation Fastness Soaping
Moderate Severe
ISO 3 3-4 3 4-5 3
AATCC 4 4 3 3

Formamide, N,N'-1,4-phenylenebis-, reaction products with 4-methyl-1,3-benzenediamine and sulfur, leuco derivs. ?? ?? ? ???

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Formamide, N,N'-1,4-phenylenebis-, reaction products with 4-methyl-1,3-benzenediamine and sulfur, leuco derivs. ?? ??

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