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| CAS No.: | 78-51-3 |
|---|---|
| Name: | Tris(2-butoxyethyl) phosphate |
| Article Data: | 4 |
| Molecular Structure: | |
|
|
|
| Formula: | C18H39O7P |
| Molecular Weight: | 398.477 |
| Synonyms: | Ethanol,2-butoxy-, phosphate (3:1) (7CI,8CI,9CI);Phosphoric acid, tris(2-butoxyethyl)ester (6CI);2-Butoxyethanol phosphate;Amgard TBEP;Hostaphat B310;Ethanol, 2-butoxy-,1,1',1''-phosphate;Phosflex T-BEP;Tris(2-n-butoxyethyl) phosphate;tris-2-Butoxyethyl phosphate;Tri(butoxyethyl)phosphate;TBEP;Tris(2-butoxyethyl) phosphate(TBEP); |
| EINECS: | 201-122-9 |
| Density: | 1.027 g/cm3 |
| Melting Point: | -70 ºC |
| Boiling Point: | 413.9 ºC at 760 mmHg |
| Flash Point: | 241.5 ºC |
| Solubility: | soluble in water |
| Appearance: | viscous colourless or slightly yellow liquid |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 20/21/22-36/37/38 |
| Safety: | 26-37/39 |
| PSA: | 82.26000 |
| LogP: | 4.59440 |
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| Conditions | Yield |
|---|---|
| With magnesium chloride; trichlorophosphate at 50 - 80℃; for 5h; Reagent/catalyst; Temperature; Large scale; | 98% |
| With quinoclamine; hydroquinone; trichlorophosphate | |
| With trichlorophosphate at 45 - 50℃; |
| Conditions | Yield |
|---|---|
| With sodium metabisulfite; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; manganese; tetrabutylammomium bromide In dimethyl sulfoxide at 120℃; for 15h; Inert atmosphere; | 48% |
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Chemistry
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IUPAC Name: Tris(2-butoxyethyl) phosphate
Molecular Formula: C18H39O7P
Molecular Weight: 398.47 g/mol
SMILES: P(OCCOCCCC)(OCCOCCCC)(OCCOCCCC)=O
InChI: InChI=1/C18H39O7P/c1-4-7-10-20-13-16-23-26(19,24-17-14-21-11-8-5-2)25-18-15-22-12-9-6-3/h4-18H2,1-3H3
EINECS: 201-122-9
Classification Code: Skin / Eye Irritant
Product Categories: Organics; Functional Materials; Phosphates (Plasticizer); Plasticizer; Organic Building Blocks; Organic Phosphates / Phosphites; Phosphorus Compounds
Water Solubility: Soluble
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
Index of Refraction: 1.442
Molar Refractivity: 102.78 cm3
Molar Volume: 387.9 cm3
Surface Tension: 34.2 dyne/cm
Density: 1.027 g/cm3
Flash Point: 241.5 °C
Enthalpy of Vaporization: 64.09 kJ/mol
Boiling Point: 413.9 °C at 760 mmHg
Melting Point: -70 °C
Vapour Pressure of Tris(2-butoxyethyl) phosphate (CAS NO.78-51-3): 1.11E-06 mmHg at 25 °C
Uses
Tris(2-butoxyethyl) phosphate (CAS NO.78-51-3) is used as primary plasticizer for most resins & elastomers, floor finishes & waxes, flame retarding agent.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| chicken | LD50 | oral | > 5gm/kg (5000mg/kg) | Toxicology and Industrial Health. Vol. 6, Pg. 415, 1990. | |
| chicken | LD50 | oral | > 5gm/kg (5000mg/kg) | Toxicology and Industrial Health. Vol. 6, Pg. 415, 1990. | |
| guinea pig | LC | inhalation | > 600mg/m3/6H (600mg/m3) | National Technical Information Service. Vol. OTS0537047, | |
| guinea pig | LD50 | oral | 3gm/kg (3000mg/kg) | "Practical Toxicology of Plastics," Lefaux, R., Cleveland, OH, Chemical Rubber Co., 1968Vol. -, Pg. 336, 1968. | |
| mouse | LC | inhalation | > 600mg/m3/6H (600mg/m3) | National Technical Information Service. Vol. OTS0537047, | |
| mouse | LD50 | intravenous | 180mg/kg (180mg/kg) | U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00391, | |
| rabbit | LD50 | skin | > 16mL/kg (16mL/kg) | Toxicology and Applied Pharmacology. Vol. 28, Pg. 313, 1974. | |
| rat | LC | inhalation | > 600mg/m3/6H (600mg/m3) | National Technical Information Service. Vol. OTS0537047, | |
| rat | LD50 | oral | 3gm/kg (3000mg/kg) | Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. Vol. 2, Pg. 93, 1975. |
Safety Profile
Hazard Codes: 
Xn
Risk Statements: 20/21/22-36/37/38
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 1
RTECS of Tris(2-butoxyethyl) phosphate (CAS NO.78-51-3): KJ9800000
Specification
Tris(2-butoxyethyl) phosphate (CAS NO.78-51-3), its Synonyms are 2-Butoxyethanol, phosphate ; Ethanol, 2-butoxy-, phosphate (3:1) ; Phosphoric acid, tributoxyethyl ester ; Phosphoric acid, tris(2-butoxyethyl) ester ; Tributoxyethyl phosphate ; Tributyl cellosolve phosphate ; Ethanol, 2-butoxy-, 1,1',1''-phosphate . It is viscous colourless or slightly yellow liquid.