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Name	Tri(o-tolyl) phosphite	EINECS	N/A
CAS No.	2622-08-4	Density	g/cm³
PSA	41.28000	LogP	6.37550
Solubility	Not miscible or difficult to mix in water.	Melting Point	11°C
Formula	C21H21 O3 P	Boiling Point	410.8°Cat760mmHg
Molecular Weight	352.37	Flash Point	250.5°C
Transport Information	N/A	Appearance	N/A
Safety	Poison by subcutaneous route. When heated to decomposition it emits toxic fumes of PO_x. See also ESTERS.	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	Phosphorousacid, tri-o-tolyl ester (8CI); o-Tolyl phosphite ((C7H7O)3P) (7CI); o-Tolylphosphite (6CI); Tri-o-cresyl phosphite; Tri-o-tolyl phosphite;Tris(2-methylphenyl) phosphite; Tris(o-methylphenyl) phosphite;Tris(o-tolyloxy)phosphine	Article Data	20

Tri(o-tolyl) phosphite Chemical Properties

IUPAC Name: Tris(2-methylphenyl) phosphite
Molecular Formula: C₂₁H₂₁O₃P
Molecular Weight: 400.39 g/mol
EINECS: 220-068-7
Density: 1.1423 g/cm³
Melting point: 125 ~ 128 °C
Boiling Point: 577.7 °C at 760 mmHg
Flash Point: 303.2 °C
Properties: white crystals
Freely Rotating Bonds: 12
Polar Surface Area: 101.97 Å²
Enthalpy of Vaporization: 89.68 kJ/mol
Vapour Pressure: 6.01E-14 mmHg at 25°C
Solubility: not dissolve in water, alcohol, soluble in ether
The Cas Register Number of Tri-o-cresyl phosphite is 2622-08-4.The chemical synonyms of Tri-o-cresyl phosphite (CAS NO.2622-08-4) are Phosphorous acid tri-o-cresyl ester ; Phosphorous acid，tri-o-methylphenyl ester ; Phosphorous acid tri-o-tolyl ester ; Phosphorous acid tris(2-methylphenyl) ester ; Tris(2-methylphenyl) phosphite ; Tris(2-tolyl)phosphite ; Tri-o-cresyl phosphite ; Tri-o-tolyl phosphite .The molecular structure of Tri-o-cresyl phosphite (CAS NO.2622-08-4) is.

Tri(o-tolyl) phosphite Uses

Tri-o-cresyl phosphite (CAS NO.2622-08-4) is used as a plasticizer and in organic synthesis.

Tri(o-tolyl) phosphite Toxicity Data With Reference

1.		scu-rat LDLo:10 mg/kg		JPETAB Journal of Pharmacology and Experimental Therapeutics. 49 (1933),78.
2.		scu-cat LD50:100 mg/kg		14CYAT Industrial Hygiene and Toxicology. 2 (1963),1918.

Tri(o-tolyl) phosphite Safety Profile

Poison by subcutaneous route. When heated to decomposition it emits toxic fumes of PO_x. See also ESTERS.
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.

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