2051-49-2
Hexanoic anhydride
CAS: 2051-49-2
Molecular Formula: C12H22O3
2051-49-2 - Names and Identifiers
| Name | Hexanoic anhydride |
| Synonyms | Caproic anhydride N-HEXOIC ANHYDRIDE Hexanoic anhydride N-CAPROIC ANHYDRIDE N-HEXANOIC ANHYDRIDE N-CAPRONIC ANHYDRIDE N-hexanoic anhydride PENTYLFORMIC ANHYDRIDE Bis(hexanoic)anhydride Hexanoic Acid Anhydride N-BUTYLACETIC ANHYDRIDE |
| CAS | 2051-49-2 |
| EINECS | 218-121-4 |
| InChI | InChI=1/C12H22O3/c1-3-5-7-9-11(13)15-12(14)10-8-6-4-2/h3-10H2,1-2H3 |
2051-49-2 - Physico-chemical Properties
| Molecular Formula | C12H22O3 |
| Molar Mass | 214.3 |
| Density | 0.928 g/mL at 20 °C (lit.) |
| Melting Point | -40 °C |
| Boling Point | 246-248 °C (lit.) |
| Flash Point | >230°F |
| Water Solubility | Hydrolyzes in water. |
| Solubility | ethanol: soluble1g/10 mL, clear, colorless |
| Vapor Presure | 2.9Pa at 25℃ |
| Appearance | Liquid |
| Color | Clear colorless to light yellow |
| BRN | 1776561 |
| Storage Condition | Store below +30°C. |
| Sensitive | Moisture Sensitive |
| Explosive Limit | 0.7%(V) |
| Refractive Index | n20/D 1.428(lit.) |
| Physical and Chemical Properties | Colorless or pale yellow oily liquid. Melting Point -40.6 °c. Boiling point 254-257 ℃(241-243 ℃),143 ℃(1.93kPa), relative density 0.9279(17/4 ℃), refractive index 1.4297. Miscible with alcohol and ether. It is easily hydrolyzed to hexanoic acid in water. |
2051-49-2 - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | 34 - Causes burns |
| 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.) |
| UN IDs | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29159000 |
| Hazard Class | 8 |
| Packing Group | III |
2051-49-2 - Reference Information
| LogP | 4.45 at 25℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| uses | for organic synthesis, synthesis of esters and drugs. |
| production method | results from the reaction of N-hexanoic acid with ketene. The n-hexane acid was cooled, ketene was introduced, and then the reaction was heated. After the reaction was completed, the reaction was fractionated, the temperature was raised to 220 ° C. In 1H, and the low boiling substance was distilled off under normal pressure. This was followed by fractional distillation under reduced pressure, and the 118-121 ° C. (1.6kPa) fraction was collected to obtain a final product. |
Last Update：2024-04-10 22:29:15
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