Sudan Blue II

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Structural formula
Structure of Sudan Blue II
General
Surname Sudan Blue II
other names
  • 1,4-bis (butylamino) antrachinone ( IUPAC )
  • CI Solvent Blue 35
  • CI 61554
  • Oil Blue 35
  • Fat blue B
Molecular formula C 22 H 26 N 2 O 2
Brief description

bluish powder

External identifiers / databases
CAS number 17354-14-2
EC number 241-379-4
ECHA InfoCard 100.037.602
PubChem 3766139
ChemSpider 2994956
Wikidata Q7081287
properties
Molar mass 350.45 g mol −1
Physical state

firmly

Melting point

120-122 ° C

solubility
  • almost insoluble in water
  • soluble in fats and oils, resins, hydrocarbons, alcohol, ethers
safety instructions
GHS labeling of hazardous substances
no GHS pictograms
H and P phrases H: no H-phrases
P: no P-phrases
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Sudan blue II is an anthraquinone dye from the group of hydrophobic, fat-soluble Sudan dyes . It is used in inks and inks as well as for marking fuel oil .

It has two absorption maxima λ max at 652 nm and 604 nm.

Individual evidence

  1. ↑ a b c d e Entry on Sudanblau II. In: Römpp Online . Georg Thieme Verlag, accessed on May 2, 2015.
  2. ↑ a b Datasheet Sudan Blue II, Dye content 98% from Sigma-Aldrich , accessed on May 2, 2015 ( PDF ).