2927-34-6
3,4-Difluorotoluene
CAS: 2927-34-6
Molecular Formula: C7H6F2
2927-34-6 - Names and Identifiers
| Name | 3,4-Difluorotoluene |
| Synonyms | 3,4-Difluorobenzene 3,4-Difluorotoluene 3,4-DIFLUOROTOLUENE 1,2-Difluor-4-methylbenzol 3.4-Difluoro methyl benzene 1,2-Difluoro-4-methylbenzene 3.4-difluoro-Trifluoromethoxy Benzene, 1,2-difluoro-4-methyl- |
| CAS | 2927-34-6 |
| EINECS | 622-971-5 |
| InChI | InChI=1/C7H6F2/c1-5-2-3-6(8)7(9)4-5/h2-4H,1H3 |
| InChIKey | FZMPLKVGINKUJZ-UHFFFAOYSA-N |
2927-34-6 - Physico-chemical Properties
| Molecular Formula | C7H6F2 |
| Molar Mass | 128.12 |
| Density | 1.12g/mLat 25°C(lit.) |
| Boling Point | 110-113°C(lit.) |
| Flash Point | 77°F |
| Water Solubility | Insoluble in water. |
| Vapor Presure | 26.7mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 1.120 |
| Color | Colorless to Light yellow |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.45(lit.) |
| Physical and Chemical Properties | Colorless transparent liquid |
2927-34-6 - Risk and Safety
| Hazard Symbols | F - Flammable |
| Risk Codes | 10 - Flammable |
| Safety Description | S16 - Keep away from sources of ignition. S29 - Do not empty into drains. S33 - Take precautionary measures against static discharges. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| HS Code | 29039990 |
| Hazard Note | Flammable |
| Hazard Class | 3 |
| Packing Group | II |
2927-34-6 - Introduction
3,4-difluorotoluene is an organic compound with the chemical formula C7H6F2. It is a colorless liquid with a special aromatic smell. The following is a detailed description of the nature, use, preparation and safety information of 3,4-difluorotoluene:
Nature:
-Appearance: colorless liquid
-Taste: Special aromatic smell
-Boiling point: 96-97 ° C
-Density: 1.145g/cm³
-Solubility: Insoluble in water, soluble in organic solvents
Use:
-3,4-difluorotoluene can be used as an important intermediate in organic synthesis.
-It can be used to synthesize drugs, dyes, pesticides and other chemicals.
-It can also be used as a raw material for electronic materials.
Method:
-3,4-difluorotoluene has many preparation methods, the most common is obtained by hydrogenation reduction reaction of p-nitrotoluene. Specific steps are:
1. First, P-nitrotoluene reacts with excess iron diammonium sulfate to obtain p-nitrotoluene iron diammonium salt.
2. Hydrogen is added, and the p-nitrotoluene iron diammonium salt is subjected to a reduction reaction in the presence of an iron catalyst.
3. Finally, 3,4-difluorotoluene was purified by distillation.
Safety Information:
-3,4-difluorotoluene is generally considered to be relatively safe under normal conditions of use. However, it is still necessary to comply with the relevant safety procedures.
-It is a flammable liquid and should avoid contact with fire and high temperature.
-Appropriate protective gloves, goggles and protective clothing are recommended for use and handling.
-Keep away from food, water and children's reach.
-In the event of accidental exposure or accidental swallowing, seek medical help immediately and display the product label or container to a health care provider.
Nature:
-Appearance: colorless liquid
-Taste: Special aromatic smell
-Boiling point: 96-97 ° C
-Density: 1.145g/cm³
-Solubility: Insoluble in water, soluble in organic solvents
Use:
-3,4-difluorotoluene can be used as an important intermediate in organic synthesis.
-It can be used to synthesize drugs, dyes, pesticides and other chemicals.
-It can also be used as a raw material for electronic materials.
Method:
-3,4-difluorotoluene has many preparation methods, the most common is obtained by hydrogenation reduction reaction of p-nitrotoluene. Specific steps are:
1. First, P-nitrotoluene reacts with excess iron diammonium sulfate to obtain p-nitrotoluene iron diammonium salt.
2. Hydrogen is added, and the p-nitrotoluene iron diammonium salt is subjected to a reduction reaction in the presence of an iron catalyst.
3. Finally, 3,4-difluorotoluene was purified by distillation.
Safety Information:
-3,4-difluorotoluene is generally considered to be relatively safe under normal conditions of use. However, it is still necessary to comply with the relevant safety procedures.
-It is a flammable liquid and should avoid contact with fire and high temperature.
-Appropriate protective gloves, goggles and protective clothing are recommended for use and handling.
-Keep away from food, water and children's reach.
-In the event of accidental exposure or accidental swallowing, seek medical help immediately and display the product label or container to a health care provider.
Last Update：2024-04-09 15:17:56
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