ethylenelacticacid
3-hydroxypropionic acid
CAS: 503-66-2
Molecular Formula: C3H6O3
ethylenelacticacid - Names and Identifiers
| Name | 3-hydroxypropionic acid |
| Synonyms | beta-lacticacid hydracrylic acid .beta.-Lacticacid ethylenelacticacid β-Hydroxypropionsαure Glycericacid,2-deoxy- 3-hydroxypropanoic acid 3-hydroxypropionic acid Propionicacid,3-hydroxy- .beta.-Hydroxypropionicacid Hydracrylic-acid-ethylenelacticacid |
| CAS | 503-66-2 |
| EINECS | 207-974-8 |
| InChI | InChI=1/C3H6O3/c4-2-1-3(5)6/h4H,1-2H2,(H,5,6) |
ethylenelacticacid - Physico-chemical Properties
| Molecular Formula | C3H6O3 |
| Molar Mass | 90.08 |
| Density | 1.066 g/mL at 25 °C |
| Melting Point | 16.8°C (estimate) |
| Boling Point | 212°C (rough estimate) |
| Flash Point | 137.2°C |
| Water Solubility | 270.1g/L(25 ºC) |
| Solubility | Ethanol, Methanol, Water |
| Vapor Presure | 0.000476mmHg at 25°C |
| Appearance | Colourless Solution |
| Color | Colorless to Almost colorless |
| pKa | 4.51(at 25℃) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.4489 |
| Physical and Chemical Properties | Syrup-like substance. Soluble in water, ethanol, ether. |
| Use | For Organic synthesis |
ethylenelacticacid - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R41 - Risk of serious damage to eyes R37/38 - Irritating to respiratory system and skin. R22 - Harmful if swallowed |
| 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. S39 - Wear eye / face protection. |
| HS Code | 29181990 |
ethylenelacticacid - Reference Information
| introduction | 3-hydroxypropionic acid (3-HP), which is an achiral organic acid with three carbon atoms, acid dissociation constant (pKa) is 4.5, liquid, viscous, colorless and tasteless, soluble in water, ethanol and ether. |
| use | for organic synthesis |
| production method | 3-hydroxypropionitrile is added to sodium hydroxide solution to react at 30 ℃, the reaction mixture is evaporated to dryness under reduced pressure, and the temperature is continuously increased until the product becomes paste. Cooling, adding sulfuric acid and stirring, extracting the generated 3-hydroxypropionic acid with diethyl ether, distilled the diethyl ether to obtain syrup-like 3-hydroxypropionic acid with a yield of 28-31%. |
Last Update：2024-04-09 20:52:54
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