Trimethylene sulfate
1,3,2-DIOXATHIANE 2,2-DIOXIDE
CAS: 1073-05-8
Molecular Formula: C3H6O4S
Trimethylene sulfate - Names and Identifiers
| Name | 1,3,2-DIOXATHIANE 2,2-DIOXIDE |
| Synonyms | NSC 526595 trimethylenesulfate 1,3-Propylenesulfate TRIMETHYLENESULPHATE Trimethylene sulfate 1,3-Propylene sulfate 1,3,2-DIOXATHIANE 2,2-DIOXIDE |
| CAS | 1073-05-8 |
Trimethylene sulfate - Physico-chemical Properties
| Molecular Formula | C3H6O4S |
| Molar Mass | 138.14 |
| Density | 1.332 (estimate) |
| Melting Point | 58-62 °C(lit.) |
| Boling Point | 153℃ (14 Torr) |
| Appearance | White powder or crystal |
| Storage Condition | Room Temprature |
| Refractive Index | 1.55 |
| MDL | MFCD00801144 |
| Use | For lithium secondary battery electrolyte additive, can improve the low temperature performance of electrolyte, and can prevent PC molecules embedded in graphite electrode; For organic synthesis, drug intermediates. |
Trimethylene sulfate - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S36 - Wear suitable protective clothing. |
| UN IDs | 40 |
Trimethylene sulfate - Optimization of synthesis process of 1,3, 2-dithioxane -2, 2-dioxides
from VIP Journal Professional Edition
Author:
Zhang Nan , Wang Peihong , high resolution
Abstract:
with 1, 3-propanediol and dichlorosulfoxide as raw materials and Potassium periodate as oxidant, under the catalysis of ruthenium trichloride, 1,3, 2-dioxane-2 was synthesized, 2-dioxide. The structure of 1,3, 2-dioxane-2, 2-dioxane was characterized by IR and 1 H NMR. The reaction temperature, reaction time, the molar ratio of raw materials, the amount of catalyst, the type of oxidant and the amount of oxidant were optimized. The optimum operation conditions were obtained as follows: reaction temperature 40 ℃, reaction time 60 min,1, 3-propanediol 60 mmol, molar ratio of n (dichlorosulfoxide) ∶ n(1,3-propylene glycol) = 1.2: 1, the amount of catalyst is 0.15% of the mass of 1, 3-propanediol, m (Potassium periodate): m(1, 3-propanediol) = 0.3: 1, under these conditions, the yield of 1,3, 2-dithioxane -2, 2-dioxide was 92.75%.
Key words:
1;3; 2-dioxane-2; 2-dioxide; Optimization; fine Chemical intermediates
DOI:
10.13550/j.jxhg.2015.11.019
year:
2015
Last Update：2024-01-02 23:10:35
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