2-Naphthalenecarboxylicacid, 3-hydroxy-4-[2-(4-methyl-2-sulfophenyl)diazenyl]-, sodium salt (1:2) cas no:5858-81-1

Name2-Naphthalenecarboxylicacid, 3-hydroxy-4-[2-(4-methyl-2-sulfophenyl)diazenyl]-, sodium salt (1:2)
CAS5858-81-1
Synonyms2-Naphthalenecarboxylicacid, 3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-, disodium salt (9CI); C.I.Pigment Red 57 (7CI); C.I. Pigment Red 57, disodium salt (8CI); 11070 Red; C.I.15850; D and C Red 6; D and C Red No. 6; D&C Red 6; D&C Red No. 6; FDand C Red No. 6; FD&C Red No. 6; Fuji Carmine 6B; Irgalite Red 4B; IrgaliteRubine PB; Isol Bona Rubine BK; Isol Bona Rubine BKS; Isol Bona Rubine KBK;Isol Ruby BK; Isol Ruby BKS; Japan Red 201; Japan Red No. 201; Kromon PermanentRed 4B; LC 303; Lithol Rubine B; Lithol Rubine BNA; Lithol Rubine Red Toner DK;Permanent Red 4B; Permanent Red F 6R; Pigment Red 57; Pigment Rubine B; PigmentRubine BCL; Plastol Rubine BC; Red 201; Red No. 201; Resamine Rubine BC; RubineRed RR 1253; Segnale Red 3R; Silotermo Carmine G; Siloton Rubine 2B; SilotonRubine B; Unipure Red LC 303; Vynamon Claret Y
EINECS(EC#)227-497-9
Molecular FormulaC18H14 N2 O6 S . 2 Na
Molecular Weight432.38

Safety

Low toxicity by ingestion. When heated to decomposition it emits toxic vapors of NO_x and SO_x.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	oral	> 10800mg/kg (10800mg/kg)		Science Reports of the Research Institutes, Tohoku University, Series C: Medicine. Vol. 36(1-4), Pg. 10, 1989.