Acid black 41

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Catalog Number
ACM5850373
Product Name
Acid black 41
Structure
Structure
CAS
5850-37-3
Category
Heterocyclic Organic Compound
Description
Acid Black 41, also known as C.I. Acid Black 41 or Acid Black B, is a synthetic dye that belongs to the Acid Dye class. It is a black-colored dye that is used for various applications.
Synonyms
trisodium,(6E)-4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2,7-disulfonate; 2,7-Naphthalenedisulfonic acid,4-amino-5-hydroxy-3-(2-(4-nitrophenyl)diazenyl)-6-(2-(4-sulfophenyl)diazenyl)-,sodium salt (1:3); Tr
IUPAC Name
trisodium (6E)-4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2,7-disulfonate
Molecular Weight
718.53593
Molecular Formula
C22H13N6Na3O12S3
InChI Key
RJQVQVAXRHAJAB-MDSXYSKBSA-K
Solubility
Soluble in water as dark blue to blue-black, easily soluble in soluble fiber elements, slightly soluble in alcohol, and insoluble in other organic solvents.
Appearance
Powder
Application
Acid dyes are water-soluble anionic dyes commonly used for dyeing protein fibers such as silk, wool, and nylon, as well as other materials like leather and synthetic fibers.
Storage
Room temperature
EC Number
227-450-2
Exact Mass
717.945
Features And Benefits
Soluble in water as dark blue to blue-black. The strong sulfuric acid for dark olive green to, diluted as dark blue precipitation; In nitric acid for green precipitation, and then into a chestnut; In 10% of sodium hydroxide solution for light blue solution. In water solution to join strong hydrochloric acid for dark blue; Add sodium hydroxide solution as dark blue.
H-Bond Acceptor
17
H-Bond Donor
2
PSA
334.76
XLogP3
6.3709
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