PIVALOHYDRAZIDE - Names and Identifiers
PIVALOHYDRAZIDE - Physico-chemical Properties
Molecular Formula | C5H12N2O
|
Molar Mass | 116.16 |
Density | 0.962±0.06 g/cm3(Predicted) |
Melting Point | 65-67 °C |
Boling Point | 95-110 °C (0.7501 mmHg) |
Flash Point | 99.7°C |
Vapor Presure | 0.0362mmHg at 25°C |
Appearance | Crystals |
Color | White |
pKa | 13.46±0.50(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C |
Refractive Index | 1.448 |
PIVALOHYDRAZIDE - Risk and Safety
Hazard Symbols | Xn - Harmful
F,T -
|
Risk Codes | R44 - Risk of explosion if heated under confinement
R36/37/38 - Irritating to eyes, respiratory system and skin.
R22 - Harmful if swallowed
R11 - Highly Flammable
R25 - Toxic if swallowed
|
Safety Description | S37/39 - Wear suitable gloves and eye/face protection
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S16 - Keep away from sources of ignition.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
|
HS Code | 29280090 |
Hazard Class | IRRITANT |
PIVALOHYDRAZIDE - Introduction
2,2-Dimethylpropionic acid hydrazide is an organic compound with the chemical formula C6H14N2O2 and the structural formula C(CH3)2CH2CONHNH2. The following is an introduction to its nature, use, preparation and safety information:
Nature:
-Appearance: 2,2-Dimethylpropionic acid hydrazide is white or light yellow crystalline powder.
-Melting point: about 110-111 ℃.
-Solubility: Soluble in water, ethanol and ether solvents.
-Stability: Stable at room temperature, but susceptible to oxidation under the influence of light.
Use:
- 2,2-Dimethylpropionic acid hydrazide is mainly used as an intermediate compound for the synthesis of other organic compounds, such as pesticides, dyes and drugs.
-It can be used as a nitrogen source for the synthesis of metal organic compounds and complexes.
Preparation Method:
The preparation of 2,2-Dimethylpropionic acid hydrazide is usually carried out by the following steps:
1.2,2-dimethylpropionic acid reacts with sodium hydroxide to produce the corresponding sodium salt in ethanol.
2. The sodium salt reacts with hydrazine to generate 2,2-Dimethylpropionic acid hydrazide under alkaline conditions.
3. The product can be filtered, washed and dried to obtain pure product.
Safety Information:
- 2,2-Dimethylpropionic acid hydrazide is a chemical that requires attention to safety measures during operation, such as wearing protective gloves, goggles and protective clothing.
-During storage and use, avoid contact with oxidants and strong acids to prevent possible dangerous reactions.
-When handling the compound, care should be taken to avoid getting into the eyes, mouth and skin, and to avoid inhalation or swallowing.
-In use or disposal, please follow the relevant safety procedures and regulations.
Last Update:2024-04-09 02:00:46