1(3H)-Isobenzofuranone,3,3-bis(4-hydroxy-3,5-diiodophenyl)- cas no:386-17-4

Name1(3H)-Isobenzofuranone,3,3-bis(4-hydroxy-3,5-diiodophenyl)-
CAS386-17-4
SynonymsPhenolphthalein,3',3'',5',5''-tetraiodo- (6CI,7CI,8CI); 3,3',5,5'-Tetraiodophenolphthalein;3',3'',5',5''-Tetraiodophenolphthalein; Iodophthalein; NSC 164900; NSC 4904;Nosophen; Nosophene; Tetraiodophenolphthalein
EINECS(EC#)206-857-9
Molecular FormulaC20H10 I4 O4
Molecular Weight821.90

refractive index1.874

Safety

Poison by ingestion and intravenous routes. When heated to decomposition it emits toxic fumes of I⁻.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
duck	LD50	oral	79200ug/kg (79.2mg/kg)	PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE)	Veterinariya. Veterinary Science. Vol. 54(5), Pg. 64, 1978.
rat	LD50	intravenous	310mg/kg (310mg/kg)	BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY) LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA LUNGS, THORAX, OR RESPIRATION: DYSPNEA	Klinische Wochenscrift. Vol. 20, Pg. 125, 1941.
rat	LD50	oral	2800mg/kg (2800mg/kg)	BEHAVIORAL: MUSCLE WEAKNESS BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)	Klinische Wochenscrift. Vol. 20, Pg. 125, 1941.