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| CAS No.: | 2622-08-4 |
|---|---|
| Name: | PHOSPHOROUS ACID TRI-O-CRESYL ESTER |
| Article Data: | 20 |
| Molecular Structure: | |
|
|
|
| Formula: | C21H21 O3 P |
| Molecular Weight: | 352.37 |
| 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 |
| Density: | g/cm3 |
| Melting Point: | 11°C |
| Boiling Point: | 410.8°Cat760mmHg |
| Flash Point: | 250.5°C |
| Solubility: | Not miscible or difficult to mix in water. |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | Poison by subcutaneous route. When heated to decomposition it emits toxic fumes of POx. See also ESTERS. |
| PSA: | 41.28000 |
| LogP: | 6.37550 |
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Chemistry
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
.
Uses
Tri-o-cresyl phosphite (CAS NO.2622-08-4) is used as a plasticizer and in organic synthesis.
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. |
Safety Profile
Poison by subcutaneous route. When heated to decomposition it emits toxic fumes of POx. 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.