-
Name
4-methyl-1,3,2-dioxathiane 2-oxide
- EINECS 224-608-2
- CAS No. 4426-51-1
- Article Data12
- CAS DataBase
- Density 1.36 g/cm3
- Solubility
- Melting Point 5℃
- Formula C4H8 O3 S
- Boiling Point 185 °C at 760 mmHg
- Molecular Weight 136.172
- Flash Point 69.3 °C
- Transport Information
- Appearance
- Safety Poison by intravenous and intraperitoneal routes. When heated to decomposition it emits toxic fumes of SOx. See also SULFITES.
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms 1,3-Butanediol,cyclic sulfite (7CI,8CI); 4-Methyl-1,3,2-dioxathiane 2-oxide;4-Methyl-2-oxo-1,3,2-dioxathiane; 4-Methyltrimethylene sulfite; NSC 60195
- PSA 54.74000
- LogP 1.25620
4-Methyl trimethylene sulfite Chemical Properties
IUPAC Name: 4-Methyl-1,3,2-dioxathiane 2-oxide
Synonyms of 4-Methyl trimethylene sulfite (CAS NO.4426-51-1): 1,3,2-Dioxathiane, 4-methyl, 2-oxide ; 1,3-Butylene sulphite ; 1,3,2-Dioxathiane, 4-methyl-, 2-oxide (9CI) ; 1,3-Butanediol, cyclic sulfite ; 4-Methyl-1,3,2-dioxathiane 2-oxide
CAS NO: 4426-51-1
Molecular Formula: C4H8O3S
Molecular Weight : 136.1695
Molecular Structure: .png)
EINECS: 224-608-2
H bond acceptors: 3
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 54.74Å2
Index of Refraction: 1.529
Molar Refractivity: 30.85 cm3
Molar Volume: 99.9 cm3
Surface Tension: 54.9 dyne/cm
Density: 1.36 g/cm3
Flash Point: 69.3 °C
Enthalpy of Vaporization: 40.4 kJ/mol
Boiling Point: 185 °C at 760 mmHg
Vapour Pressure: 0.976 mmHg at 25°C
4-Methyl trimethylene sulfite Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| cat | LD50 | intravenous | 175mg/kg (175mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: ATAXIA LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Progress Report Submitted to the National Cancer Institute by South Shore Analytical and Research Laboratory.Vol. -, Pg. 57, 1964. |
| mouse | LD50 | intraperitoneal | 300mg/kg (300mg/kg) | Progress Report Submitted to the National Cancer Institute by South Shore Analytical and Research Laboratory.Vol. -, Pg. 57, 1964. | |
| mouse | LD50 | intravenous | 300mg/kg (300mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Progress Report Submitted to the National Cancer Institute by South Shore Analytical and Research Laboratory.Vol. -, Pg. 57, 1964. |
| rat | LD50 | intraperitoneal | 300mg/kg (300mg/kg) | Progress Report Submitted to the National Cancer Institute by South Shore Analytical and Research Laboratory.Vol. -, Pg. 57, 1964. | |
| rat | LD50 | intravenous | 300mg/kg (300mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Progress Report Submitted to the National Cancer Institute by South Shore Analytical and Research Laboratory.Vol. -, Pg. 57, 1964. |
4-Methyl trimethylene sulfite Safety Profile
Poison by intravenous and intraperitoneal routes. When 4-Methyl trimethylene sulfite (CAS NO.4426-51-1) is heated to decomposition, it emits toxic fumes of SOx. See also SULFITES.
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