-
Name
S,S,S-trimethyl phosphorotrithioate
- EINECS
- CAS No. 681-71-0
- Article Data5
- CAS DataBase
- Density 1.306g/cm3
- Solubility
- Melting Point
- Formula C3H9 O P S3
- Boiling Point 274.9°C at 760 mmHg
- Molecular Weight 188.276
- Flash Point 120°C
- Transport Information
- Appearance
- Safety Poison by ingestion, intravenous, and intraperitoneal routes. When heated to decomposition it emits toxic fumes of POx and SOx.
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms Methylphosphorotrithioate ((MeS)3PO) (7CI); 8064HC; S,S,S-Trimethylphosphorotrithioate; Tris(methylthio)phosphine oxide
- PSA 102.78000
- LogP 3.18350
S,S,S-Trimethyl phosphorotrithioate Chemical Properties
IUPAC Name: bis(Methylsulfanyl)phosphorylsulfanylmethane
Synonyms of S,S,S-Trimethyl phosphorotrithioate (CAS NO.681-71-0): Phosphorotrithioic acid, S,S,S-trimethyl ester
InChI: InChI=1/C3H9OPS3/c1-6-5(4,7-2)8-3/h1-3H3
CAS NO: 681-71-0
Molecular Formula: C3H9OPS3
Molecular Weight : 188.2717
Molecular Structure: .png)
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 3
Polar Surface Area: 102.78 Å2
Index of Refraction: 1.563
Molar Refractivity: 46.81 cm3
Molar Volume: 144.1 cm3
Surface Tension: 46.1 dyne/cm
Density: 1.306 g/cm3
Flash Point: 120 °C
Enthalpy of Vaporization: 49.26 kJ/mol
Boiling Point: 274.9 °C at 760 mmHg
Vapour Pressure: 0.00884 mmHg at 25°C
S,S,S-Trimethyl phosphorotrithioate Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD50 | intraperitoneal | 30mg/kg (30mg/kg) | LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Fundamental and Applied Toxicology. Vol. 4, Pg. S215, 1984. |
| rat | LD50 | intravenous | 30mg/kg (30mg/kg) | LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Fundamental and Applied Toxicology. Vol. 4, Pg. S215, 1984. |
| rat | LD50 | oral | 30mg/kg (30mg/kg) | LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Fundamental and Applied Toxicology. Vol. 4, Pg. S215, 1984. |
S,S,S-Trimethyl phosphorotrithioate Safety Profile
Poison by ingestion, intravenous, and intraperitoneal routes. When S,S,S-Trimethyl phosphorotrithioate (CAS NO.681-71-0) is heated to decomposition, it emits toxic fumes of POx and SOx.
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