1(3H)-Isobenzofuranone,4,5,6,7-tetrachloro- cas no:27355-22-2

Name1(3H)-Isobenzofuranone,4,5,6,7-tetrachloro-
CAS27355-22-2
SynonymsPhthalide,4,5,6,7-tetrachloro- (6CI,8CI); 4,5,6,7-Tetrachlorophthalide; Fthalide;Phthalide; Rabcide; Tetrachlorophthalide
EINECS(EC#)229-405-2
Molecular FormulaC8H2 Cl4 O2
Molecular Weight271.90

refractive index1.635
storage temp0-6°C

Safety

Low toxicity by ingestion, inhalation, and skin contact. When heated to decomposition it emits toxic vapors of Cl⁻.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	> 10gm/kg (10000mg/kg)		Japan Pesticide Information. Vol. (36), Pg. 32, 1979.
mouse	LD50	oral	> 10gm/kg (10000mg/kg)		Japan Pesticide Information. Vol. (36), Pg. 32, 1979.
mouse	LD50	skin	> 10gm/kg (10000mg/kg)		Japan Pesticide Information. Vol. (40), Pg. 32, 1982.
mouse	LD50	subcutaneous	> 10gm/kg (10000mg/kg)		Japan Pesticide Information. Vol. (36), Pg. 32, 1979.
rat	LC	inhalation	> 4100mg/m3 (4100mg/m3)		Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 15, Pg. 311, 1990.
rat	LD50	intraperitoneal	9780mg/kg (9780mg/kg)		Japan Pesticide Information. Vol. (36), Pg. 32, 1979.
rat	LD50	oral	20gm/kg (20000mg/kg)		"Agricultural Chemicals," Thomson, W.T., 4 vols., Fresno, CA, Thomson Publications, 1976/77 revisionVol. 4, Pg. 73, 1976/1977.
rat	LD50	skin	> 10gm/kg (10000mg/kg)		Japan Pesticide Information. Vol. (36), Pg. 32, 1979.
rat	LD50	subcutaneous	> 10gm/kg (10000mg/kg)		Japan Pesticide Information. Vol. (36), Pg. 32, 1979.