4-甲基-3-戊烯酸
4-Methylpent-3-enoic acid
CAS: 504-85-8
Molecular Formula: C6H10O2
4-甲基-3-戊烯酸 - Names and Identifiers
| Name | 4-Methylpent-3-enoic acid |
| Synonyms | Pyroterebic acid RARECHEM AL BO 1803 4-methyl-3-pentenoicaci 4-METHYLPENT-3-ENOICACID 4-Methylpent-3-enoic acid 4-methyl-3-Pentenoic acid 4-METHYL-3-PENTENOIC ACID 3-pentenoic acid, 4-methyl- 3-Pentenoic acid, 4-methyl- 4-Methyl-3-penten-1-oic acid 4,4-Dimethyl-3-butenoic acid |
| CAS | 504-85-8 |
| InChI | InChI=1/C6H10O2/c1-5(2)3-4-6(7)8/h3H,4H2,1-2H3,(H,7,8) |
4-甲基-3-戊烯酸 - Physico-chemical Properties
| Molecular Formula | C6H10O2 |
| Molar Mass | 114.14 |
| Density | 0.987 |
| Melting Point | 98 °C(Solv: ligroine (8032-32-4)) |
| Boling Point | 208℃ |
| Flash Point | 105℃ |
| Vapor Presure | 0.0906mmHg at 25°C |
| pKa | pK1:4.60 (25°C) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.454 |
4-甲基-3-戊烯酸 - Introduction
4-Methylpent-3-enoic acid, also known as 4-Methylpent-3-enoic acid, is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 4-Methylpent-3-enoic acid is a colorless liquid.
-Molecular formula: C6H10O2
-Molecular weight: 114.14g/mol
-Boiling point: approximately 220°C to 225°C
-Density: approx. 0.98g/cm³
-Solubility: Soluble in alcohol and ether solvents
Use:
-Intermediate in chemical synthesis: 4-Methylpent-3-enoic acid can be used to synthesize other organic compounds, such as esters, acids and alcohols.
-Cosmetics and fragrance industry: 4-Methylpent-3-enoic acid can be used as an ingredient in perfumes and fragrances to give products a special smell.
Preparation Method:
4-Methylpent-3-enoic acid can be prepared by the following steps:
1. First, a known compound, pentenal, is reacted with a methyl Grignard reagent to generate 4-methyl-3-pentenol.
2. Then, 4-methyl -3-pentenol is oxidized to 4-methyl -3-pentenal.
3. Finally, 4-methyl-3-pentenal is oxidized in the presence of acid to generate 4-Methylpent-3-enoic acid.
Safety Information:
4-Methylpent-3-enoic acid is irritating and should be avoided when in contact with skin and eyes. Appropriate safety precautions, such as wearing protective gloves and goggles, should be taken during use or handling. At the same time, it should be used in a well-ventilated environment to avoid inhaling its vapor. If swallowed or inhaled, seek medical attention immediately.
Nature:
-Appearance: 4-Methylpent-3-enoic acid is a colorless liquid.
-Molecular formula: C6H10O2
-Molecular weight: 114.14g/mol
-Boiling point: approximately 220°C to 225°C
-Density: approx. 0.98g/cm³
-Solubility: Soluble in alcohol and ether solvents
Use:
-Intermediate in chemical synthesis: 4-Methylpent-3-enoic acid can be used to synthesize other organic compounds, such as esters, acids and alcohols.
-Cosmetics and fragrance industry: 4-Methylpent-3-enoic acid can be used as an ingredient in perfumes and fragrances to give products a special smell.
Preparation Method:
4-Methylpent-3-enoic acid can be prepared by the following steps:
1. First, a known compound, pentenal, is reacted with a methyl Grignard reagent to generate 4-methyl-3-pentenol.
2. Then, 4-methyl -3-pentenol is oxidized to 4-methyl -3-pentenal.
3. Finally, 4-methyl-3-pentenal is oxidized in the presence of acid to generate 4-Methylpent-3-enoic acid.
Safety Information:
4-Methylpent-3-enoic acid is irritating and should be avoided when in contact with skin and eyes. Appropriate safety precautions, such as wearing protective gloves and goggles, should be taken during use or handling. At the same time, it should be used in a well-ventilated environment to avoid inhaling its vapor. If swallowed or inhaled, seek medical attention immediately.
Last Update：2024-04-09 21:11:58
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