Cyclobutylcarboxylic acid
Cyclobutanecarboxylic acid
CAS: 3721-95-7
Molecular Formula: C5H8O2
Cyclobutylcarboxylic acid - Names and Identifiers
| Name | Cyclobutanecarboxylic acid |
| Synonyms | RARECHEM AL BO 0291 cyclobutanecarboxylate CYCLO-BUTYL FORMIC ACID Cyclobutanecarbonyl acid cyclobutylcarboxylicacid Cyclobutylcarboxylic acid Cyclobutanecarboxylic acid CYCLOBUTANECARBOXYLIC AICD cyclobutane carboyxlic acid cyclobutane carboxylic acid |
| CAS | 3721-95-7 |
| EINECS | 223-072-7 |
| InChI | InChI=1/C5H8O2/c6-5(7)4-2-1-3-4/h4H,1-3H2,(H,6,7)/p-1 |
Cyclobutylcarboxylic acid - Physico-chemical Properties
| Molecular Formula | C5H8O2 |
| Molar Mass | 100.12 |
| Density | 1.047g/mLat 25°C(lit.) |
| Melting Point | −7.5°C(lit.) |
| Boling Point | 195°C(lit.) |
| Flash Point | 183°F |
| Water Solubility | Slightly soluble in water. |
| Vapor Presure | 0.182mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 1.047 |
| Color | Clear colorless to yellow |
| BRN | 1816777 |
| pKa | pK1:4.785 (25°C) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.444(lit.) |
| Physical and Chemical Properties | Colorless liquid. Melting Point -20 ~-7.5 ℃, boiling point 195 ℃, relative density 1.047, refractive index 1.4433. |
| Use | For Organic synthesis |
Cyclobutylcarboxylic acid - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R34 - Causes burns R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | 3265 |
| WGK Germany | 3 |
| RTECS | GU1335000 |
| FLUKA BRAND F CODES | 13 |
| TSCA | T |
| HS Code | 29162000 |
| Hazard Class | 8 |
| Packing Group | III |
Cyclobutylcarboxylic acid - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | cyclobutyl formic acid is a colorless liquid substance that can be used in organic synthesis. |
| use | for organic synthesis |
| production method | put cyclobutane -1, 1-dicarboxylic acid into a distillation unit for heating, decarboxylation at about 160 ℃ to release carbon dioxide, then heat distillation, collect the 189-195 ℃ fraction as crude product, and re-distill to obtain the finished cyclobutane carboxylic acid. Yield 86%-91%. |
Last Update：2024-04-09 21:04:16
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