1,3-benzoxazol-4-ol - Names and Identifiers
1,3-benzoxazol-4-ol - Physico-chemical Properties
Molecular Formula | C7H5NO2
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Molar Mass | 135.12 |
Density | 1.379g/cm3 |
Boling Point | 269.951°C at 760 mmHg |
Flash Point | 117.062°C |
Vapor Presure | 0.004mmHg at 25°C |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1.664 |
1,3-benzoxazol-4-ol - Risk and Safety
Hazard Symbols | Xn - Harmful
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Risk Codes | R22 - Harmful if swallowed
R36 - Irritating to the eyes
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Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
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1,3-benzoxazol-4-ol - Introduction
1,3-benzoxazol-4-ol, also known as 1,3-benzoxazol-4-ol, is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
-Chemical formula: C7H5NO2
-Appearance: Colorless crystalline solid
-melting point: about 130-132 ℃
-Solubility: Soluble in alcohol and ether solvents, slightly soluble in water
Use:
- 1,3-benzoxazol-4-ol can be used as an intermediate in organic synthesis. It has certain fluorescent properties, so it is often used in the preparation of dyes, fluorescent compounds and biomarkers.
-It is also used in polymers such as synthetic fibers, rubber and plastics to improve the optical properties of materials.
Preparation Method:
1,3-benzoxazol-4-ol is mainly prepared by the following two methods:
-Through the reaction of phenol with ammonia and carbon dioxide, through acid catalysis, oxidation and dehydration reaction.
-Through the ring reaction of p-nitrophenol, it is obtained by acid catalysis.
Safety Information:
- 1,3-benzoxazol-4-ol may cause irritation to the eyes, skin and respiratory tract, so appropriate protective measures such as glasses, gloves and respiratory protection should be worn during operation.
-During use and storage, avoid contact with strong oxidants and strong acids to avoid dangerous reactions.
-If exposed, rinse immediately with plenty of water and seek medical help.
Please note that the above information is for reference and overview only and does not replace safety guidance in actual operation. In the use and handling of chemical substances, the relevant safety procedures and guidelines should be strictly followed.
Last Update:2024-04-10 22:29:15