ETHYL GLYCOLATE
Ethyl glycolate
CAS: 623-50-7
Molecular Formula: C4H8O3
ETHYL GLYCOLATE - Names and Identifiers
| Name | Ethyl glycolate |
| Synonyms | HOCH2COOC2H5 ETHYL GLYCOLATE Ethyl glycolate ethyl glycollate ETHYL HYDROXYACETATE Ethyl hydroxyacetate ETHYL2-HYDROXYACETATE GLYCOLIC ACID ETHYL ESTER hydroxy-aceticaciethylester HYDROXYACETIC ACID ETHYL ESTER 2-hydroxy-aceticacidethylester Acetic acid, hydroxy-, ethyl ester |
| CAS | 623-50-7 |
| EINECS | 210-798-4 |
| InChI | InChI=1/C4H8O3/c1-2-7-4(6)3-5/h5H,2-3H2,1H3 |
| InChIKey | ZANNOFHADGWOLI-UHFFFAOYSA-N |
ETHYL GLYCOLATE - Physico-chemical Properties
| Molecular Formula | C4H8O3 |
| Molar Mass | 104.1 |
| Density | 1.1 g/mL at 25 °C (lit.) |
| Melting Point | >300 °C |
| Boling Point | 158-159 °C (lit.) |
| Flash Point | 143°F |
| Water Solubility | It is very soluble in water, alcohols, acetone, acetates, slightly soluble in ethyl ether, sparingly soluble in hydrocarbon solvents, polymerization occurs above 50 C. |
| Solubility | Chloroform, Methanol (Slightly) |
| Vapor Presure | 1.03mmHg at 25°C |
| Appearance | Liquid |
| Color | Colorless |
| pKa | 13.14±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.419(lit.) |
ETHYL GLYCOLATE - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | 1993 |
| WGK Germany | 3 |
| RTECS | MC5410000 |
| TSCA | Yes |
| HS Code | 29181990 |
| Hazard Class | 3.2 |
| Packing Group | III |
ETHYL GLYCOLATE - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Overview | glycolic acid contains both hydroxyl and carboxyl groups in the structure, easy to dehydration and intermolecular esterification, it is difficult to produce ethyl glycolate from direct esterification of glycolic acid. |
| preparation method | a simple and effective industrial method for the production of ethyl ester from haloacetic acid through glycolic acid: the halogenated acetic acid, carbonate, sodium carbonate or potassium carbonate and water are reacted at reflux temperature for 8-20 hours, and then dehydrated by distillation (or reduced pressure), after filtering off the halogen salt, dehydration is carried out to obtain glycolic acid. The azeotropic dehydrating agent of glycolic acid, anhydrous ethanol and water and ethanol with the azeotropic boiling point of 50~75 ℃, such as carbon tetrachloride or chloroform or benzene mixture, with concentrated sulfuric acid or HCl as the catalyst for esterification reaction, reaction temperature is 60~125 ℃, reaction time 5~10 hours, after the reaction of distillation, the fraction collected at 69±1% mmHg was ethyl glycolate. |
| toxicity | Acute toxicity: Rat (peritoneum) LDLo: 1,500mg/kg. |
| Application | used in organic synthesis, high-grade cleaning solvent |
Last Update：2024-04-09 20:48:19
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