2-Cyclopropaneacetic acid
Cyclopropylacetic acid
CAS: 5239-82-7
Molecular Formula: C5H8O2
2-Cyclopropaneacetic acid - Names and Identifiers
| Name | Cyclopropylacetic acid |
| Synonyms | RARECHEM AL BO 1300 TIMTEC-BB SBB005442 Cyclopropylacetic acid CYCLOPROPYLACETIC ACID Cyclopropaneacetic acid 2-Cyclopropyl-acetic acid 2-Cyclopropaneacetic acid (Carboxymethyl)cyclopropane N,N'-lambda~4~-sulfanediylidenebis(1,3-dimethyl-1,3,2-diazaborolidin-2-amine) |
| CAS | 5239-82-7 |
| EINECS | 000-000-0 |
| InChI | InChI=1/C8H20B2N6S/c1-13-5-6-14(2)9(13)11-17-12-10-15(3)7-8-16(10)4/h5-8H2,1-4H3 |
2-Cyclopropaneacetic acid - Physico-chemical Properties
| Molecular Formula | C5H8O2 |
| Molar Mass | 100.12 |
| Density | 1,076 g/cm3 |
| Boling Point | 86-87°C 9mm |
| Flash Point | 93°C |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.00177mmHg at 25°C |
| Appearance | Oil |
| Color | Clear Colourless |
| BRN | 2323311 |
| pKa | 4.76±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.4350 |
| MDL | MFCD00041544 |
2-Cyclopropaneacetic acid - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R34 - Causes burns 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S39 - Wear eye / face protection. |
| UN IDs | 3265 |
| WGK Germany | 3 |
| HS Code | 29162000 |
| Hazard Class | 8 |
| Packing Group | II |
2-Cyclopropaneacetic acid - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| introduction | cyclopropanetic acid is a colorless liquid and can be dissolved in most common organic solvents. cyclopropanetic acid is modified cyclopropane, which is an intermediate for organic synthesis and medical anesthetics. |
| Uses | Cyclopropanoic acid can be used as a pharmaceutical intermediate and a synthetic intermediate for medical anesthetics. In the synthesis and transformation, the carboxyl group in the structure can be converted into acyl chloride, ester group, amide, hydroxyl group and other active functional groups; in addition, the carboxyl group can also undergo decarboxylation and halogenation reaction to obtain halogenated cyclopropane with less than one carbon atom. The cyclopropane structure is easy to open the ring to obtain a double bond compound in the transition metal-catalyzed reaction, and then undergo subsequent functionalization. |
| synthesis method | add KOH (48.3 mmol, 2.71g) to cyclopropyl acetonitrile (12.1 mmol, 980 mg) in EtOH/H2O (1:1, 15 mL), and stir the obtained reaction mixture at 90°C for 18 hours, adjust the reaction mixture to pH = 1 with hydrochloric acid (1 mol/L,50 mL), extract the solution with MTBE (2 × 20 mL), dry the combined organic layer (MgSO4), filter and evaporate the solvent. |
Last Update：2024-04-09 15:16:50
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