Phosphorous acid,tris(2-ethylhexyl) ester cas no:301-13-3

NamePhosphorous acid,tris(2-ethylhexyl) ester
CAS301-13-3
Synonyms1-Hexanol,2-ethyl-, phosphite (3:1) (7CI); 1-Hexanol, 2-ethyl-, phosphite (6CI); JP 308;JP 308E; NSC 3233; Tris(2-ethylhexyl) phosphite
EINECS(EC#)206-111-2
Molecular FormulaC24H51 O3 P
Molecular Weight418.72

Safety

Slightly toxic by ingestion and inhalation. When heated to decomposition it emits toxic vapors of PO_x.
Safety Information of Tri-(2-ethylhexyl)phosphite (CAS NO.301-13-3):
Risk Statements: 36/37/38 
36:  Irritating to the eyes 
37:  Irritating to the respiratory system 
38:  Irritating to the skin 
Safety Statements: 26-36/37/39
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:  Wear suitable protective clothing  
37:  Wear suitable gloves 
39:  Wear eye/face protection 

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mammal (species unspecified)	LC	inhalation	> 27500ug/m3 (27.5mg/m3)		Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 25(12), Pg. 51, 1981.
mouse	LD50	oral	7600mg/kg (7600mg/kg)	AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: TREMOR	Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 25(12), Pg. 51, 1981.
rabbit	LD50	oral	8500mg/kg (8500mg/kg)	AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: TREMOR	Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 25(12), Pg. 51, 1981.
rabbit	LD50	skin	> 5gm/kg (5000mg/kg)		Albright & Wilson Inc. Vol. #OPB-3, Pg. 1984,
rat	LC50	inhalation	> 20gm/m3 (20000mg/m3)		Albright & Wilson Inc. Vol. #OPB-3, Pg. 1984,
rat	LD50	oral	6200mg/kg (6200mg/kg)	AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: TREMOR	Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 25(12), Pg. 51, 1981.