99924-18-2 - Names and Identifiers
99924-18-2 - Physico-chemical Properties
Molecular Formula | C10H7NO3
|
Molar Mass | 189.17 |
Density | 1.32g/cm3 |
Melting Point | 181 °C |
Boling Point | 354.73°C at 760 mmHg |
Flash Point | 168.335°C |
Vapor Presure | 0mmHg at 25°C |
Storage Condition | 2-8°C |
Refractive Index | 1.587 |
99924-18-2 - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
|
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.
S37/39 - Wear suitable gloves and eye/face protection
|
HS Code | 29349990 |
Hazard Note | Irritant |
99924-18-2 - Introduction
Pentaphenyl 1,3 oxazole-4-carboxylic acid (pentaphenyl) is an organic compound with the molecular formula C11H7NO3 and a relative molecular mass of 205.18. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: White crystalline solid
-Melting point: 166-169 ° C
-Stability: relatively stable under normal temperature and pressure, but may decompose under high temperature, strong acid or strong alkali conditions
Use:
-Pentaphenyl 1,3 oxazole-4-carboxylic acid is an important organic synthesis intermediate, commonly used in organic synthesis reactions.
-It can be used as a key raw material in drug development and manufacturing in the biomedical field.
Method:
Pentaphenyl 1,3 oxazole-4-carboxylic acid can be synthesized by the following steps:
1. First, Aniline reacts with acetic anhydride to produce aniline acetic anhydride.
2. Then, aniline acetic anhydride is reacted with Cyanogen cyanide to obtain 5-phenyl -1, 3-oxazole-4-carboxamide.
3. Finally, 5-phenyl -1, 3-oxazole-4-carboxamide is subjected to an acid hydrolysis reaction to obtain the final product pentaphenyl 1,3 oxazole-4-carboxylic acid.
Safety Information:
-Pentaphenyl 1,3 oxazole-4-carboxylic acid is generally considered to be relatively safe under normal use conditions, but it is still necessary to pay attention to follow laboratory operating procedures and safe operating methods.
-This compound may be irritating to the eyes, skin and respiratory tract, so avoid touching the skin and eyes during contact, and ensure that the laboratory is well ventilated.
-Wear appropriate protective equipment such as goggles, lab gloves, and face shields when handling the compound.
-If the compound is accidentally inhaled or ingested, seek medical attention immediately.
Last Update:2024-04-09 21:01:54