3-Butynoic acid, 2-hydroxy-
Hydroxybutynoicacid
CAS: 38628-65-8
Molecular Formula: C4H4O3
3-Butynoic acid, 2-hydroxy- - Names and Identifiers
| Name | Hydroxybutynoicacid |
| Synonyms | Hydroxybutynoicacid 2-HYDROXY-3-BUTYNOIC ACID 2-Hydroxybut-3-ynoic acid 2-Hydroxy-3-butynoic acid 2-hydroxybut-3-ynoic acid 3-Butynoic acid, 2-hydroxy- |
| CAS | 38628-65-8 |
| InChI | InChI=1/C4H4O3/c1-2-3(5)4(6)7/h1,3,5H,(H,6,7) |
3-Butynoic acid, 2-hydroxy- - Physico-chemical Properties
| Molecular Formula | C4H4O3 |
| Molar Mass | 100.07 |
| Density | 1.412±0.06 g/cm3(Predicted) |
| Boling Point | 279.7±25.0 °C(Predicted) |
| Flash Point | 137.2°C |
| Vapor Presure | 0.000477mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Light yellow |
| pKa | 2.79±0.11(Predicted) |
| Storage Condition | Freezer |
| Refractive Index | 1.518 |
| MDL | MFCD00671546 |
3-Butynoic acid, 2-hydroxy- - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/38 - Irritating to eyes and skin. |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
3-Butynoic acid, 2-hydroxy- - Introduction
Hydroxybutynoicacid(Hydroxybutynoic acid) is an organic compound with the chemical formula C4H4O3. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: The Hydroxybutynoicacid is colorless to light yellow crystals or crystalline powder.
-Solubility: It can be dissolved in water, alcohols and other organic solvents.
-Melting point: The melting point of this compound is about 167-170°C(332-338 °F).
-chemical reaction: Hydroxybutynoicacid can occur with other compounds esterification, ester hydrolysis, substitution, oxygen heterocyclic reaction.
Use:
- Hydroxybutynoicacid is an important intermediate for the synthesis of organic compounds and can be used in a variety of reactions in the field of organic synthesis.
-It is also used as a raw material for the synthesis of certain drugs and a ligand for organometallic catalysts.
Preparation Method:
- Hydroxybutynoicacid can be prepared by acetic acid-acetic anhydride method. First, acetic acid and n-butynol are reacted in the presence of hydrochloric acid to obtain n-butynoacetate acetate. The n-butynoacetate is then hydrolyzed to Hydroxybutynoicacid by the addition of concentrated sulfuric acid and alcohol.
Safety Information:
- Hydroxybutynoicacid is an irritating compound and contact with the skin and eyes may cause irritation and inflammation.
-Wear appropriate personal protective equipment such as laboratory gloves, goggles and coats when using or handling the compound.
-During use and storage, the relevant safety regulations for the handling and storage of dangerous goods should be observed. In the event of an accident, appropriate emergency measures should be taken immediately and professional assistance should be consulted.
Important note: In order to ensure the safe and correct use of chemical substances, please read and follow the relevant safety data sheets and laboratory operating procedures before use, and consult professionals as needed.
Nature:
-Appearance: The Hydroxybutynoicacid is colorless to light yellow crystals or crystalline powder.
-Solubility: It can be dissolved in water, alcohols and other organic solvents.
-Melting point: The melting point of this compound is about 167-170°C(332-338 °F).
-chemical reaction: Hydroxybutynoicacid can occur with other compounds esterification, ester hydrolysis, substitution, oxygen heterocyclic reaction.
Use:
- Hydroxybutynoicacid is an important intermediate for the synthesis of organic compounds and can be used in a variety of reactions in the field of organic synthesis.
-It is also used as a raw material for the synthesis of certain drugs and a ligand for organometallic catalysts.
Preparation Method:
- Hydroxybutynoicacid can be prepared by acetic acid-acetic anhydride method. First, acetic acid and n-butynol are reacted in the presence of hydrochloric acid to obtain n-butynoacetate acetate. The n-butynoacetate is then hydrolyzed to Hydroxybutynoicacid by the addition of concentrated sulfuric acid and alcohol.
Safety Information:
- Hydroxybutynoicacid is an irritating compound and contact with the skin and eyes may cause irritation and inflammation.
-Wear appropriate personal protective equipment such as laboratory gloves, goggles and coats when using or handling the compound.
-During use and storage, the relevant safety regulations for the handling and storage of dangerous goods should be observed. In the event of an accident, appropriate emergency measures should be taken immediately and professional assistance should be consulted.
Important note: In order to ensure the safe and correct use of chemical substances, please read and follow the relevant safety data sheets and laboratory operating procedures before use, and consult professionals as needed.
Last Update：2024-04-09 21:01:54
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CAS: 38628-65-8
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