-
Name
Phosphoric acid dimethyl[1-(dimethoxyphosphinyl)ethenyl] ester
- EINECS
- CAS No. 3328-33-4
- Article Data2
- CAS DataBase
- Density 1.284g/cm3
- Solubility
- Melting Point
- Formula C6H14O7P2
- Boiling Point 292.4°Cat760mmHg
- Molecular Weight 260.12
- Flash Point 144.5°C
- Transport Information
- Appearance
- Safety A poison by ingestion. When heated to decomposition it emits toxic vapors of POx.
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms ENT 24,415;phosphoryl phosphonate;
- PSA 99.91000
- LogP 2.36100
Phosphonic acid, (1-hydroxyvinyl)-, dimethyl ester, dimethyl phosphate Chemical Properties
IUPAC Name: 1-dimethoxyphosphorylethenyl dimethyl phosphate
Synonyms of Phosphonic acid, (1-hydroxyvinyl)-, dimethyl ester, dimethyl phosphate (CAS NO.3328-33-4): 1-(Dimethyoxyphosphinyl)vinyl dimethyl phosphate ; 4-01-00-03423 (Beilstein Handbook Reference) ; BRN 1813403 ; CP 10502 ; ENT 24,415 ; Monsanto CP-10502 ; Phosphoric acid, 1-(dimethoxyphosphinyl)ethenyl dimethyl ester ; Phosphoric acid, 1-(dimethoxyphosphinyl)ethenyl dimethyl ester (9CI)
CAS NO: 3328-33-4
Molecular Formula of Phosphonic acid, (1-hydroxyvinyl)-, dimethyl ester, dimethyl phosphate (CAS NO.3328-33-4): C6H14O7P2
Molecular Weight: 260.1187
H bond acceptors: 7
H bond donors: 0
Freely Rotating Bonds: 7
Polar Surface Area: 99.91 Å2
Index of Refraction: 1.425
Molar Refractivity: 51.88 cm3
Molar Volume: 202.5 cm3
Surface Tension: 36.6 dyne/cm
Density: 1.284 g/cm3
Flash Point: 144.5 °C
Enthalpy of Vaporization: 51.06 kJ/mol
Boiling Point: 292.4 °C at 760 mmHg
Vapour Pressure: 0.00322 mmHg at 25°C
Molecular Structure:
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Phosphonic acid, (1-hydroxyvinyl)-, dimethyl ester, dimethyl phosphate Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| chicken | LD50 | oral | 43900ug/kg (43.9mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Toxicology and Applied Pharmacology. Vol. 6, Pg. 147, 1964. |
| rat | LD50 | oral | 287mg/kg (287mg/kg) | Agricultural Research Service, USDA Information Memorandum. Vol. 20, Pg. 14, 1966. |
Phosphonic acid, (1-hydroxyvinyl)-, dimethyl ester, dimethyl phosphate Safety Profile
A poison by ingestion. When heated to decomposition it emits toxic vapors of POx.
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