maltopentaose hydrate - Names and Identifiers
maltopentaose hydrate - Physico-chemical Properties
maltopentaose hydrate - Risk and Safety
Safety Description | S22 - Do not breathe dust.
S24/25 - Avoid contact with skin and eyes.
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WGK Germany | 3 |
maltopentaose hydrate - Introduction
4-[(1-methyl -4(1H)-pyridylidene) ethylidene]-2,5-cyclohexadiene, also known as 4-(1-methyl -4-pyridyl) ethylidene -1, 3-cyclopentadiene, is an organic compound. The following is a description of the properties, uses, preparation and safety information of this compound:
Nature:
-Chemical formula: C15H19N
-Molecular weight: 211.32g/mol
-Appearance: colorless liquid
-Melting point:-45°C
-Boiling Point: 90-95°C
-Density: 0.91g/cm3
-Solubility: Soluble in organic solvents such as ethanol and dimethylformamide
Use:
- 4-[(1-methyl -4(1H)-pyridinylidene) ethylidene]-2,5-cyclohexadiene is widely used as an intermediate in organic synthesis reactions. It can participate in a variety of reactions, such as carbonylation, reduction and nucleophilic substitution reactions.
-This compound can also be used as dyes, coatings and pharmaceutical intermediates.
Preparation Method:
4-[(1-Methyl -4(1H)-pyridylidene) ethylidene]-2,5-cyclohexadiene may be prepared in a variety of ways. One commonly used method is by reacting 4-pyridineethanol with 2,5-cyclohexadienoic acid under acidic conditions. The specific reaction process requires the use of individual steps and conditions, and may require auxiliaries such as catalysts. During preparation, attention should be paid to operating conditions and safety regulations.
Safety Information:
- 4-[(1-Methyl -4(1H)-pyridinylidene) ethylidene]-2,5-cyclohexadiene is a chemical that requires proper safety precautions when handled.
-It may be irritating to the eyes and skin, and may be harmful to the respiratory and digestive systems. Wear appropriate protective measures, such as goggles, gloves and protective clothing.
-During use or storage, keep away from flammable materials and strong oxidants, and keep the container sealed to avoid contact with air.
-When handling and disposing of waste, comply with applicable laws and regulations, and properly dispose of its residues and waste.
Please note that the information provided above is for reference only. Please carefully read and comply with relevant safety materials and regulations in practical applications, and fully evaluate the risks and safety associated with this compound.
Last Update:2024-04-09 19:05:46