1,2-二氟-4-硫代异氰酸酯邻-苯
3,4-Difluorophenyl isothiocyanate
CAS: 113028-75-4
Molecular Formula: C7H3F2NS
1,2-二氟-4-硫代异氰酸酯邻-苯 - Names and Identifiers
1,2-二氟-4-硫代异氰酸酯邻-苯 - Physico-chemical Properties
| Molecular Formula | C7H3F2NS |
| Molar Mass | 171.17 |
| Density | 1.26±0.1 g/cm3(Predicted) |
| Boling Point | 170°C(lit.) |
| Storage Condition | Room Temprature |
| Refractive Index | 1.5970 to 1.6010 |
1,2-二氟-4-硫代异氰酸酯邻-苯 - Risk and Safety
| UN IDs | UN 2810 6.1/PG III |
| Hazard Class | 6.1 |
| Packing Group | III |
1,2-二氟-4-硫代异氰酸酯邻-苯 - Introduction
3,4-Difluorophenyl isothiocyanate is an organic compound whose chemical formula is C6H3F2NCS2. The following is a description of its nature, use, formulation and safety information:
Nature:
1. Appearance: colorless liquid or white crystal.
2. melting point: 7-9 degrees Celsius.
3. Boiling point: 145-146 degrees Celsius.
4. density: 1.5g/cm³.
5. Solubility: Can be dissolved in many organic solvents.
Use:
1. 3,4-difluorophenyl isothiocyanate is widely used as a pesticide.
2. It can also be used in organic synthesis as a sulfurization reagent, deprotection reagent, catalyst, etc.
Preparation Method:
3,4-Difluorophenyl isothiocyanate can be prepared by the following method:
1. Isocyanate reacts with 2,3-difluorophenol to generate 3,4-difluorophenyl isocyanate, which then reacts with sulfur to obtain 3,4-difluorophenyl isothiocyanate.
2. Starting from p-nitrobenzene, it is obtained through a series of reaction steps such as nitration, hydrogenation, fluorination, isocyanate and sulfur reaction.
Safety Information:
1. 3, 4-Difluorophenyl isothiocyanate is irritating and may cause eye, skin and respiratory tract irritation when exposed.
2. During use, avoid inhaling vapor or dust, and use appropriate personal protective equipment, such as chemical protective gloves and protective glasses.
3. storage should be sealed, away from the fire and may cause fire substances.
4. Waste treatment should follow the local laws and regulations to avoid environmental pollution.
Nature:
1. Appearance: colorless liquid or white crystal.
2. melting point: 7-9 degrees Celsius.
3. Boiling point: 145-146 degrees Celsius.
4. density: 1.5g/cm³.
5. Solubility: Can be dissolved in many organic solvents.
Use:
1. 3,4-difluorophenyl isothiocyanate is widely used as a pesticide.
2. It can also be used in organic synthesis as a sulfurization reagent, deprotection reagent, catalyst, etc.
Preparation Method:
3,4-Difluorophenyl isothiocyanate can be prepared by the following method:
1. Isocyanate reacts with 2,3-difluorophenol to generate 3,4-difluorophenyl isocyanate, which then reacts with sulfur to obtain 3,4-difluorophenyl isothiocyanate.
2. Starting from p-nitrobenzene, it is obtained through a series of reaction steps such as nitration, hydrogenation, fluorination, isocyanate and sulfur reaction.
Safety Information:
1. 3, 4-Difluorophenyl isothiocyanate is irritating and may cause eye, skin and respiratory tract irritation when exposed.
2. During use, avoid inhaling vapor or dust, and use appropriate personal protective equipment, such as chemical protective gloves and protective glasses.
3. storage should be sealed, away from the fire and may cause fire substances.
4. Waste treatment should follow the local laws and regulations to avoid environmental pollution.
Last Update：2024-04-10 22:29:15
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QQ: 122752498
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Product Name: 3,4-Difluorophenyl Isothiocyanate Visit Supplier Webpage Request for quotation
CAS: 113028-75-4
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
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CAS: 113028-75-4
Tel: 18301782025
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