3H-Indol-3-one,5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro- cas no:3687-67-0

Name3H-Indol-3-one,5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-
CAS3687-67-0
Synonyms3-Indolinone,5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)- (7CI,8CI);Naphtho[1,2-b]thiophene, 3H-indol-3-one deriv.; C.I. 73670; C.I. Vat Black 1;Durindone Printing Black BL; Helanthrene Black BL; Indanthren Printing BlackBL; Nako Fast Grey BL; Paradone Printing Black BLSF; Paradone Printing Black TLSF;Solanthrene Grey BL; Solanthrene Printing Black BL; Solanthrene Printing BlackBLN; Solanthrene Printing Black TL; Solanthrene Printing Black TLN; ThioindigoBlack; Tina Grey BL; Tina Printing Black BL; Vat Black 1
EINECS(EC#)222-983-7
Molecular FormulaC20H9 Br Cl N O2 S
Molecular Weight442.72

refractive index1.802

Safety

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

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	intraperitoneal	4250mg/kg (4250mg/kg)		Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 50(8), Pg. 91, 1985.