1,3-Benzodioxole-5-carbonyl chloride
piperonyloyl chloride
CAS: 25054-53-9
Molecular Formula: C8H5ClO3
1,3-Benzodioxole-5-carbonyl chloride - Names and Identifiers
1,3-Benzodioxole-5-carbonyl chloride - Physico-chemical Properties
| Molecular Formula | C8H5ClO3 |
| Molar Mass | 184.58 |
| Density | 1.3964 (estimate) |
| Melting Point | 78-79 °C (lit.) |
| Boling Point | 155 °C/25 mmHg (lit.) |
| Flash Point | 130.1°C |
| Solubility | Chloroform (Slightly) |
| Vapor Presure | 0.00784mmHg at 25°C |
| Appearance | Crystalline Powder |
| Color | Off-white to blue-gray |
| Storage Condition | Hygroscopic, Refrigerator, under inert atmosphere |
| Stability | Moisture Sensitive, reacts with Moisture in the air |
| Refractive Index | 1.586 |
1,3-Benzodioxole-5-carbonyl chloride - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | 34 - Causes burns |
| Safety Description | S22 - Do not breathe dust. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S28 - After contact with skin, wash immediately with plenty of soap-suds. 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 3261 8/PG 2 |
| WGK Germany | 3 |
| HS Code | 29329900 |
| Hazard Note | Corrosive |
| Hazard Class | 8 |
| Packing Group | III |
1,3-Benzodioxole-5-carbonyl chloride - Introduction
piperonyloyl chloride is an organic compound with the chemical formula C9H7ClO2. It is a white crystalline powder and is readily soluble in organic solvents such as ethanol and dichloromethane.
piperonyloyl chloride is often used as an important reagent in organic synthesis. It can be used to synthesize a variety of compounds, including drugs, dyes and flavors. For example, it can be used to synthesize compounds containing aromatic ether structures, such as aromatic ether methyl compounds.
The preparation of piperonyloyl chloride can be obtained by the reaction of piperic acid and thionyl chloride. Thionyl chloride is first added to a solution of piperic acid in nitrile acetate and the reaction mixture is then heated. Finally, a crystalline product of piperonyloyl chloride was obtained by cooling and filtration.
Regarding safety information, piperonyloyl chloride is an irritating chemical that can cause irritation and burning in contact with skin or eyes. Therefore, it is necessary to wear appropriate personal protective equipment, such as gloves, goggles and protective clothing. In addition, piperonyloyl chloride can also release toxic hydrogen chloride gas when heated, so it needs to be operated under good ventilation to avoid inhaling harmful gases.
piperonyloyl chloride is often used as an important reagent in organic synthesis. It can be used to synthesize a variety of compounds, including drugs, dyes and flavors. For example, it can be used to synthesize compounds containing aromatic ether structures, such as aromatic ether methyl compounds.
The preparation of piperonyloyl chloride can be obtained by the reaction of piperic acid and thionyl chloride. Thionyl chloride is first added to a solution of piperic acid in nitrile acetate and the reaction mixture is then heated. Finally, a crystalline product of piperonyloyl chloride was obtained by cooling and filtration.
Regarding safety information, piperonyloyl chloride is an irritating chemical that can cause irritation and burning in contact with skin or eyes. Therefore, it is necessary to wear appropriate personal protective equipment, such as gloves, goggles and protective clothing. In addition, piperonyloyl chloride can also release toxic hydrogen chloride gas when heated, so it needs to be operated under good ventilation to avoid inhaling harmful gases.
Last Update：2024-04-09 21:00:56
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CAS: 25054-53-9
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CAS: 25054-53-9
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