Light green SF

Structural formula
General
Surname	Light green SF
other names	Acid Green 5 Food Green 2 CI 670 CI 42095
Molecular formula	C 37 H 34 N 2 O 9 S 3 Na 2
Brief description	red-brown powder
External identifiers / databases
CAS number 5141-20-8 EC number 225-906-5 ECHA InfoCard 100.023.551 PubChem 21223 ChemSpider 19952 DrugBank DB11183 Wikidata Q6546012
properties
Molar mass	792.85 g mol −1
Physical state	firmly
Melting point	Decomposes at 288 ° C
solubility	Easily soluble in water (200 g l −1 at 25 ° C)
safety instructions
GHS labeling of hazardous substances no GHS pictograms H and P phrases H: no H-phrases P: no P-phrases
Toxicological data	> 2000 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 .

Light green is a green triphenylmethane dye that is used to dye wool and silk and as a lacquer dye for histology ( Masson-Goldner trichrome staining , PAP staining ).

literature

• Eberhard Gross: About the generation of sarcomas by the specially purified triphenylmethane dyes light green SF and patent blue AE during repeated subcutaneous injections in rats . In: Journal of Cancer Research . tape 64 , no. 4 , 1961, pp. 287-304 , doi : 10.1007 / bf00525218 .

Individual evidence

1. ↑ ^{a b} entry on light green. In: Römpp Online . Georg Thieme Verlag, accessed on December 16, 2014.
2. ↑ ^{a b} Data sheet Light Green SF Yellowish, crystalline from Sigma-Aldrich , accessed on November 4, 2013 ( PDF ).
3. ↑ ^{a b} Data sheet light green SF yellowish (PDF) from Merck , accessed on November 4, 2013.