4,5-Diphenyl-4-oxazoline-2-thione - Names and Identifiers
Name | 4,5-Diphenyl-4-oxazoline-2-thione
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Synonyms | 4,5-DIPHENYL-2-OXAZOLETHIOL 4,5-DIPHENYL-OXAZOL-2-THIOL 4,5-DIPHENYLOXAZOLE-2-THIOL 4,5-Diphenyl-2-oxazolethiol 4,5-Diphenyl-2-mercaptooxazole 4,5-DIPHENYL-2-MERCAPTOOXAZOLE 4,5-DIPHENYL-1,3-OXAZOLE-2-THIOL 4,5-DIPHENYL-4-OXAZOLINE-2-THIONE 4,5-Diphenyl-4-oxazoline-2-thione 4,5-DIPHENYL-2-MERCAPTOBENZOXAZOLE 4-Oxazoline-2-thione, 4,5-diphenyl- 4,5-diphenyl-1,3-oxazole-2(3H)-thione
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CAS | 6670-13-9
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EINECS | 229-707-4 |
InChI | InChI=1/C15H11NOS/c18-15-16-13(11-7-3-1-4-8-11)14(17-15)12-9-5-2-6-10-12/h1-10H,(H,16,18) |
4,5-Diphenyl-4-oxazoline-2-thione - Physico-chemical Properties
Molecular Formula | C15H11NOS
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Molar Mass | 253.32 |
Density | 1.1949 (rough estimate) |
Melting Point | 254-257°C(lit.) |
Boling Point | 390.6°C at 760 mmHg |
Flash Point | 190.1°C |
Vapor Presure | 2.61E-06mmHg at 25°C |
Storage Condition | Inert atmosphere,Room Temperature |
Sensitive | Air Sensitive |
Refractive Index | 1.7500 (estimate) |
MDL | MFCD00173660 |
4,5-Diphenyl-4-oxazoline-2-thione - Risk and Safety
Hazard Symbols | Xn - Harmful

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Risk Codes | 20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
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Safety Description | 36 - Wear suitable protective clothing.
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UN IDs | UN 3335 |
WGK Germany | 3 |
Hazard Class | IRRITANT |
4,5-Diphenyl-4-oxazoline-2-thione - Introduction
4, is an organic compound whose molecular formula is C15H11NOS. The following is a detailed description of its nature, use, preparation and safety information:
Nature:
-Appearance: 4, is a white crystalline solid.
-Solubility: It has a certain solubility in common organic solvents, such as ethanol, methanol, dichloromethane, etc.
-Melting point: Its melting point is generally between 120-122°C.
Use:
-Catalyst: 4, is an effective photocatalyst, which can be used as a catalyst in some organic synthesis reactions, such as the catalytic synthesis of sodium thiocyanate.
-Preservative: It is also widely used in rubber, plastics and coatings industries as a preservative, which can effectively prevent oxidation and corrosion of materials.
Preparation Method:
- 4, the preparation method is relatively simple, a commonly used method is to obtain the target product through the steps of amidation, rearrangement and vulcanization of aniline and diethyl dicarbonate.
Safety Information:
- 4, there is no obvious safety risk under normal operating conditions, but the following matters still need to be noted:
-Avoid contact with skin and eyes, if contact, please rinse immediately with plenty of water.
-Avoid inhaling its dust or gas. If you feel unwell, please leave the harmful environment quickly and seek medical attention.
-Store it in a dry, cool and well-ventilated place.
-When using this substance, please follow the laboratory safety procedures and wear appropriate protective equipment, such as gloves, safety glasses, etc.
Last Update:2024-04-10 22:29:15