Benzenesulfonic acid,5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1) cas no:2092-56-0

NameBenzenesulfonic acid,5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1)
CAS2092-56-0
SynonymsBenzenesulfonicacid, 5-chloro-2-[(2-hydroxy-1-naphthalenyl)azo]-4-methyl-, monosodium salt(9CI); C.I. Pigment Red 53 (7CI); 11938 Red; Bright Red; Bronze Orange; BronzeOrange Toner; C.I. 15585; D and C Red No. 8; D&C Red No. 8; Duplex Red LakeCD 20-5925; Irgalite Red C; Isol Lake Red LCL; Isol Lake Red LCR; Isol Lake RedLCT; Japan Red 203; Japan Red No. 203; Kromon Lake Red C; Lake Red C; Lake RedC 18958; Lake Red CY; Lithosol Red C; Lithosol Red CLM; Lutetia Red C; MonoliteRed CN; Pigment Red 53; Pigment Red GG; Red for Lake C Toner; Resamine Red GB;Segnale Bronze Red P; Segnale Red C; Sico Lake Red CU; Tertropigment Red LC;Toning Orange; Vulcan Red LCN; Vulcol Fast Red C
EINECS(EC#)218-248-5
Molecular FormulaC17H13 Cl N2 O4 S . Na
Molecular Weight398.81

Safety

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

Toxic information about C.I. Pigment Red 53 (CAS NO.2092-56-0) is:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	oral	> 12gm/kg (12000mg/kg)	behavioral: somnolence (general depressed activity) lungs, thorax, or respiration: respiratory stimulation	Science Reports of the Research Institutes, Tohoku University, Series C: Medicine. Vol. 36(1-4), Pg. 10, 1989.