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Acid Yellow 44

Acid Yellow 44 structure

CAS No:
2429-76-7
Formula:
C34H33N6NaO10S2
Chemical Name:
Acid Yellow 44
Synonyms:
ACID YELLOW 44;CI ACID YELLOW 44;Disodium 5-[[1,3-dioxo-1-(phenylamino)butan-2-yl]azo]-2-[4-[[1,3-dioxo-1-(phenylamino)butan-2-yl]azo]-5-methyl-2-sulfonatophenyl]-4-methylbenzenesulfonate;Acid Yellow 6G;disodium 5,5'-dimethyl-4,4'-bis[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-2,2'-disulphonate;Brilliant Yellow 6G;(1,1'-biphenyl)-2,2'-disulfonic acid, 4,4'-bis((2-oxo-1-((phenylamino)carbonyl;[1,1'-Biphenyl]-2,2'-disulfonic acid, 5,5'-dimethyl-4,4'-bis[[2-oxo-1-[(phenylamino) carbonyl]propyl]azo]-, disodium salt
Categories:
Dyes and Pigments > Dye

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Acid Yellow 44 Basic Attributes

Molecular Weight：

772.78

Exact Mass：

792.126038

EC Number：

219-386-9

TSCA：

TSCA listed

Characteristics

PSA：

279.26000

XLogP3：

9.11000

Appearance：

Yellow powder

Acid Yellow 44 Use and Manufacturing

Methods of Manufacturing

Using 3, 3'-dimethylbenzidine-6, 6'-disulfonic acid and acetoacetanilide as raw materials, 3, 3'-dimethylbenzidine-6, 6'-disulfonic acid is double-nitrided , The product is coupled with acetoacetanilide. After salting out, filtering, drying and crushing, the finished product is obtained.

Uses

Used for dyeing silk, nylon and wool fibers, and also for direct printing on silk fabrics

Manufacturing Info：

[1,1'-Biphenyl]-2,2'-disulfonic acid, 5,5'-dimethyl-4,4'-bis[2-[2-oxo-1-[(phenylamino)carbonyl]propyl]diazenyl]-, sodium salt (1:2): ACTIVE

Computed Properties

Molecular Weight:792.7
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:14
Rotatable Bond Count:11
Exact Mass:792.12602209
Monoisotopic Mass:792.12602209
Topological Polar Surface Area:273
Heavy Atom Count:54
Complexity:1420
Undefined Atom Stereocenter Count:2
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes