ETHYLENE CARBONATE (EC)
Ethylene carbonate
CAS: 96-49-1
Molecular Formula: C3H4O3
ETHYLENE CARBONATE (EC) - Names and Identifiers
| Name | Ethylene carbonate |
| Synonyms | Ethylencarbonat 1,3-Dioxolan-2-one Ethylene carbonate Cyclic ethylene ester ETHYLENE CARBONATE (EC) cyclicethylenecarbonate 2-hydroxyethyl carbonate Cyclic ethylene carbonate carbonicacid,ethyleneester carbonicacid,cyclicethyleneester Carbonic acid, cyclic ethylene ester |
| CAS | 96-49-1 |
| EINECS | 202-510-0 |
| InChI | InChI=1/C3H4O3/c4-3-5-1-2-6-3/h1-2H2 |
| InChIKey | KMTRUDSVKNLOMY-UHFFFAOYSA-N |
ETHYLENE CARBONATE (EC) - Physico-chemical Properties
| Molecular Formula | C3H4O3 |
| Molar Mass | 88.06 |
| Density | 1.321g/mLat 25°C(lit.) |
| Melting Point | 35-38°C(lit.) |
| Boling Point | 243-244°C740mm Hg(lit.) |
| Flash Point | 320°F |
| Water Solubility | 214 g/L (20 ºC) |
| Solubility | H2O: 1M at20°C, clear, colorless |
| Vapor Presure | 0.02 mm Hg ( 36.4 °C) |
| Vapor Density | 3.04 (vs air) |
| Appearance | Crystallization |
| Specific Gravity | 1.321 |
| Color | White to yellow |
| BRN | 106249 |
| pKa | 3.86[at 20 ℃] |
| PH | 7 (200g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with strong oxidizing agents, acids, bases, reducing agents. |
| Sensitive | Easily absorbing moisture |
| Explosive Limit | 3.6-16.1%(V) |
| Refractive Index | 1.4199 |
| MDL | MFCD00005382 |
| Physical and Chemical Properties | Appearance white solid melting point 35-37°C |
| Use | For fertilizer, fiber, pharmaceutical and organic synthesis industries |
ETHYLENE CARBONATE (EC) - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R41 - Risk of serious damage to eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S39 - Wear eye / face protection. |
| UN IDs | UN 2265 3 / PGIII |
| WGK Germany | 1 |
| RTECS | FF9550000 |
| TSCA | Yes |
| HS Code | 29209010 |
| Toxicity | LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 2000 mg/kg |
ETHYLENE CARBONATE (EC) - Reference Information
| LogP | 0.11 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| ethylene carbonate synthesis from ethylene oxide in aqueous solution and CO2 | ethylene oxide (EO) was studied using self-developed NY-2 catalyst. Reaction properties of aqueous solution and CO2 for the preparation of ethylene carbonate (EC). The orthogonal experiment was designed to determine the main factors affecting the conversion of EO and the selectivity of EC. The effects of the amount of solvent EC, reaction temperature, reaction pressure and catalyst dosage on the synthesis reaction were discussed. The experimental results show that n(H2O)∶ n(EO) is the most important factor affecting the conversion of EO, and temperature and n(H2O)∶ n(EO) are the most important factors affecting the selectivity of EC; the optimum conditions of the synthesis reaction were determined by using NY-2 catalyst and EC as solvent: reaction temperature 100~120 ℃, reaction pressure 3.0~4.0 MPa, catalyst mass fraction 2%,n(H2O): n(EO)= 1: 2,n(EC): n(EO)= 5. Under these conditions, the conversion of EO reached more than 97.62%, and the selectivity of EC reached about 92.55%. Authors: Shen Xi, Liu Dinghua, Liu Xiaoqin -- State Key Laboratory of materials-oriented chemical engineering, Nanjing University of Technology, Nanjing 210009, China |
| purpose | at present, it is mainly used in three aspects. (1) used as water glass slurry to 1, 3-dioxolane, potassium bicarbonate respectively as curing agent and curing agent to prepare pollution-free water glass slurry, due to acrylamide, the slurry of urea system is disabled, and the sodium silicate slurry is widely valued. (2) for the synthesis of furazolidone (C8H7N3O5,[67-45-8]; This is a broad-spectrum antibacterial agent for the Prevention of coccidiosis in chickens. (3) used as a fiber finishing agent and other processing aids. high purity can be used for charging lithium ion battery electrolyte; Spinning on the spinning liquid; Directly as a solvent to remove acid gas and concrete additives; Medicine used as raw materials of furazolidone; it is used as a stabilizer for plastic foaming agent and synthetic lubricating oil; Excellent performance of solvent and organic synthesis intermediate, good solvent for polyacrylonitrile, polyvinyl chloride, basic raw materials for organic chemical industry, used as Hydroxyethyl agent and chemical raw materials in organic synthesis, sodium silicate slurry, fiber finishing agent used in fertilizer, fiber, pharmaceutical and organic synthesis industries used as high polymer (such as polyacrylonitrile) and resin solvents, also used in the synthesis of drugs, rubber additives and textile finishing agents. |
| production method | results from the reaction of ethylene oxide with carbon dioxide. |
| spontaneous combustion temperature | 465°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:49:11
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