4814-74-8 - Names and Identifiers
4814-74-8 - Physico-chemical Properties
Molecular Formula | C4H3NO3
|
Molar Mass | 113.07 |
Density | 1.5808 (rough estimate) |
Melting Point | 130-133 °C (dec.) (lit.) |
Boling Point | 211.74°C (rough estimate) |
Flash Point | 121.2°C |
Vapor Presure | 0.000581mmHg at 25°C |
BRN | 1524594 |
pKa | 6.44±0.20(Predicted) |
Storage Condition | 2-8°C |
Refractive Index | 1.4543 (estimate) |
4814-74-8 - Risk and Safety
Hazard Symbols | C - Corrosive
|
Risk Codes | R34 - Causes burns
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
|
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 3261 8/PG 3 |
WGK Germany | 3 |
FLUKA BRAND F CODES | 10-21 |
HS Code | 29310099 |
Hazard Class | 8 |
Packing Group | III |
4814-74-8 - Introduction
1-hydroxy-1H-pyrrolidone -2,5-dione (1-hydroxy-1H-pyrrolidone -2,5-dione) is an organic compound with the chemical formula C4H3NO3. It is a white crystalline solid, stable at room temperature. The following is a description of the properties, uses, preparation and safety information of 1-hydroxy-1H-chrrole-2, 5-dione:
Nature:
-Appearance: White crystalline solid
-Molecular weight: 113.07g/mol
-Solubility: Soluble in water and organic solvents
-Melting point: 193-196°C
-Density: 1.79g/cm³
Use:
1-hydroxy-1H-chrrole-2, 5-dione has multiple uses in chemical laboratories:
-Used as a starting material for the synthesis of organic compounds, for the synthesis of drugs, dyes and polymer materials.
-In biochemical research, it can be used to regulate the activity and function of enzymes, and to study redox reactions in biological processes.
Preparation Method:
The preparation method of 1-hydroxy-1H-pyrrolidone -2,5-dione can be carried out by the following steps:
-First, the maleimide is reacted with a certain amount of excess oxidant (such as hydrogen peroxide).
-After the reaction is completed, the product is obtained by cooling crystallization or other separation and purification methods.
Safety Information:
1-hydroxy-1H-copyrole-2, 5-dione is relatively stable under general operating conditions, but the following safety precautions still need to be paid attention:
-Avoid inhaling dust or vapors and wear protective masks and gloves.
-Avoid contact with skin and eyes. If contact occurs, rinse immediately with plenty of water.
-should be stored in a dry, cool place, avoid contact with oxidants and combustibles.
Although 1-hydroxy-1H-pyrrole-2,5-dione is relatively safe under general conditions of use, it should be operated with caution and in accordance with laboratory safety guidelines.
Last Update:2024-04-09 21:01:54