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6391-32-8

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6391-32-8 Structure

6391-32-8 Structure
IdentificationBack Directory
[Name]

2-[[2-Oxo-1-[(2-methoxy-5-sodiosulfophenyl)aminocarbonyl]propyl]azo]-5-[N'-[3-sodiooxycarbonyl-4-[[2-oxo-1-[(4-sodiosulfophenyl)aminocarbonyl]propyl]azo]phenyl]ureido]benzoic acid sodium salt
[CAS]

6391-32-8
[Synonyms]

C.I.25340
Direct Yellow 69
C.I.Direct Yellow 69
C.I.Direct Yellow 69:C.I.25340
2-[[2-Oxo-1-[(2-methoxy-5-sodiosulfophenyl)aminocarbonyl]propyl]azo]-5-[N'-[3-sodiooxycarbonyl-4-[[2-oxo-1-[(4-sodiosulfophenyl)aminocarbonyl]propyl]azo]phenyl]ureido]benzoic acid sodium salt
[Molecular Formula]

C36H32N8O16S2.4Na
[MOL File]

6391-32-8.mol
[Molecular Weight]

988.79
Chemical PropertiesBack Directory
[EPA Substance Registry System]

Benzoic acid, 5-[[[[3-carboxy-4-[[1-[[(2-methoxy-5-sulfophenyl)amino]carbonyl]-2-oxopropyl]azo]phenyl]amino]carbonyl]amino]-2-[[2-oxo-1-[[(4-sulfophenyl)amino]carbonyl]propyl]azo]-, tetrasodium salt (6391-32-8)
Safety DataBack Directory
[TSCA ]

TSCA listed
Hazard InformationBack Directory
[Preparation]

N,N’-bis(3-carboxy-4-aminophenyl)urea double nitriding, and?4-(3-Oxobutanamido)benzenesulfonic acid?(0.35 Moore) and 4-Methoxy-2-(3-oxobutanamido)benzenesulfonic acid?(1.65 Moore) coupled. Treatment with diketene 4-Methoxy-2-(3-oxobutanamido)benzenesulfonic acid?mixed aqueous solution prepared by coupling the product.
[Properties and Applications]

yellow to dark yellow. Soluble in water for golden brown, slightly soluble in alcohol. The strong sulfuric acid for lemon yellow, diluted still for lemon yellow. The dye solution to join strong hydrochloric acid did not change; Add thick sodium hydroxide solution has not changed.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 3 6-7 3-4 4
AATCC 5 3-4 6 2 4
6391-32-8 suppliers list
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16894-31-8 1325-42-4 6459-82-1 1325-38-8 1326-12-1