Sudangelb G

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Structural formula
Structural formula of Sudangelb G
General
Surname Sudangelb G
other names
  • Solvent Yellow 16
  • CI 12700
  • 3-methyl-1-phenyl-4- (phenyldiazenyl) -1 H -pyrazol-5 (4 H ) -one
Molecular formula C 16 H 14 N 4 O
Brief description

yellow odorless solid

External identifiers / databases
CAS number 4314-14-1
EC number 224-330-1
ECHA InfoCard 100.022.119
PubChem 107537
Wikidata Q7633337
properties
Molar mass 278.31 g mol −1
Physical state

firmly

Melting point

156-158 ° C

solubility
  • practically insoluble in water
  • soluble in ethanol and halogenated hydrocarbons
safety instructions
GHS labeling of hazardous substances
no GHS pictograms
H and P phrases H: no H-phrases
P: no P-phrases
Toxicological data

> 5000 mg kg −1 ( LD 50 ,  rat ,  oral )

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Sudangelb G is a synthetically produced chemical compound from the group of azo and Sudan dyes .

Extraction and presentation

Sudangelb G can be obtained by reacting 1-phenyl-3-methyl-5-pyrazolone with aniline .

properties

Sudangelb G is a yellow, odorless solid that is practically insoluble in water.

use

Sudangelb G is used as a coloring agent for cosmetics and printing inks.

Individual evidence

  1. ↑ a b c d e f g h Cloeren Technology: Safety data sheet Epofluor Yellow , accessed on December 27, 2019.
  2. ^ Gisbert Otterstätter: Coloring of foods, medicines, cosmetics . Behr's Verlag DE, 2007, ISBN 3-89947-958-0 , p. 191 ( limited preview in Google Book search).
  3. ↑ K. Venkataraman: The Chemistry of Synthetic Dyes . Elsevier, 2012, ISBN 978-0-323-14937-2 , pp. 90 ( limited preview in Google Book search).