Ai3-15770
Nicotinic anhydride
CAS: 16837-38-0
Molecular Formula: C12H8N2O3
Ai3-15770 - Names and Identifiers
| Name | Nicotinic anhydride |
| Synonyms | AI3-15770 Ai3-15770 Einecs 240-860-6 nicotinic anhydride Nicotinic anhydride Bisnicotinic anhydride 3-Pyridinecarboxylic Anhydride pyridine-3-carboxylic anhydride 3-Pyridinecarboxylic acid, anhydride Bis(pyridine-3-carboxylic acid)anhydride |
| CAS | 16837-38-0 |
| EINECS | 2408606 |
| InChI | InChI=1/C12H8N2O3/c15-11(9-3-1-5-13-7-9)17-12(16)10-4-2-6-14-8-10/h1-8H |
Ai3-15770 - Physico-chemical Properties
| Molecular Formula | C12H8N2O3 |
| Molar Mass | 228.20352 |
| Density | 1.317±0.06 g/cm3(Predicted) |
| Melting Point | 124 °C |
| Boling Point | 200 °C / 1mmHg |
| Flash Point | 203.1°C |
| Solubility | soluble in Acetone |
| Vapor Presure | 5.25E-07mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Almost white |
| pKa | 2.51±0.10(Predicted) |
| Refractive Index | 1.599 |
Ai3-15770 - Introduction
Nicotinic anhydride(3-Picrylpropionic anhydride) is an organic compound with the chemical formula C11H5N3O7 and a molecular weight of 275.17g/mol. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: Nicotinic anhydride is a yellow crystalline solid.
-Melting point: Its melting point is about 176-177°C.
-Flammability: Nicotinic anhydride is flammable, which may cause a fire when it encounters high temperature or open flame.
-Stability: It is relatively stable at room temperature, but may react when encountering strong alkali or strong acid.
Use:
-explosive detection agent: Nicotinic anhydride can be used for the detection and identification of explosives, often used together with silver nitrite and other reagents.
-High-energy materials: Because its molecules contain a large number of high-energy elements such as oxygen and Nitro, Nicotinic anhydride is also used as a synthetic intermediate for high-energy density materials.
-Natural fiber Dyeing: It can dye fabrics containing natural fibers yellow, which is often used in histology and biology laboratories.
Method:
-The preparation method of Nicotinic anhydride is more complicated. Generally, 3-picolinic acid (or its salt) is used to react with nitric acid to generate 3-picolinic acid nitrate, it then reacts with acetic anhydride to form Nicotinic anhydride.
Safety Information:
- Nicotinic anhydride is irritating. Avoid contact with skin and eyes. Rinse with plenty of water immediately after contact.
-Avoid inhaling aerosols during use to prevent dust from entering the respiratory system.
-Due to its flammable characteristics, it should be kept away from open flames and high temperatures to avoid fires.
-When storing and handling Nicotinic anhydride, appropriate ventilation and personal protective measures should be taken to ensure the safety of the operating environment.
Nature:
-Appearance: Nicotinic anhydride is a yellow crystalline solid.
-Melting point: Its melting point is about 176-177°C.
-Flammability: Nicotinic anhydride is flammable, which may cause a fire when it encounters high temperature or open flame.
-Stability: It is relatively stable at room temperature, but may react when encountering strong alkali or strong acid.
Use:
-explosive detection agent: Nicotinic anhydride can be used for the detection and identification of explosives, often used together with silver nitrite and other reagents.
-High-energy materials: Because its molecules contain a large number of high-energy elements such as oxygen and Nitro, Nicotinic anhydride is also used as a synthetic intermediate for high-energy density materials.
-Natural fiber Dyeing: It can dye fabrics containing natural fibers yellow, which is often used in histology and biology laboratories.
Method:
-The preparation method of Nicotinic anhydride is more complicated. Generally, 3-picolinic acid (or its salt) is used to react with nitric acid to generate 3-picolinic acid nitrate, it then reacts with acetic anhydride to form Nicotinic anhydride.
Safety Information:
- Nicotinic anhydride is irritating. Avoid contact with skin and eyes. Rinse with plenty of water immediately after contact.
-Avoid inhaling aerosols during use to prevent dust from entering the respiratory system.
-Due to its flammable characteristics, it should be kept away from open flames and high temperatures to avoid fires.
-When storing and handling Nicotinic anhydride, appropriate ventilation and personal protective measures should be taken to ensure the safety of the operating environment.
Last Update：2024-04-10 22:29:15
