Sudan Orange G.

Structural formula
General
Surname	Sudan Orange G.
other names	4 - [( E ) -phenyldiazenyl] -1,3-benzenediol ( IUPAC ) CI Solvent Orange 1 CI 11920 2,4-dihydroxyazobenzene
Molecular formula	C 12 H 10 N 2 O 2
Brief description	red solid
External identifiers / databases
CAS number 2051-85-6 EC number 218-131-9 ECHA InfoCard 100.016.484 PubChem 16325 ChemSpider 10466804 Wikidata Q27281644
properties
Molar mass	214.22 g mol −1
Physical state	firmly
density	1.20 g cm −3
Melting point	143-146 ° C
solubility	practically insoluble in water soluble in ethanol and benzene
safety instructions
GHS labeling of hazardous substances Caution H and P phrases H: 315-319-335 P: 261-305 + 351 + 338
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Sudan orange G is a synthetically produced chemical compound from the group of azo and Sudan dyes . It can be represented by azo coupling of aniline with resorcinol .

properties

Sudan orange G is a red solid that is practically insoluble in water.

use

Sudan orange G was used as a dye in cosmetics.

Individual evidence

1. ↑ ^{a b c d} William M. Haynes: CRC Handbook of Chemistry and Physics, 94th Edition . CRC Press, 2016, ISBN 978-1-4665-7115-0 , pp. 448 ( limited preview in Google Book search).
2. ↑ ^{a b c d} Datasheet Sudan Orange G, ≥97% (HPLC) from Sigma-Aldrich , accessed on November 9, 2016 ( PDF ).
3. ^ Carl L. Yaws: The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals Physical Properties for More Than 54,000 Organic and Inorganic Chemical Compounds, Coverage for C1 to C100 Organics and Ac to Zr Inorganics . Gulf Professional Publishing, 2015, ISBN 978-0-12-801146-1 , pp. 363 ( limited preview in Google Book search).
4. ^ Gisbert Otterstätter: Coloring of Food, Drugs, and Cosmetics . CRC Press, 1999, ISBN 978-0-8247-0215-1 , pp. 56 ( limited preview in Google Book search).