2927-34-6 - Names and Identifiers
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.
Last Update:2024-04-09 15:17:56