1-Bromo-3 4-difluorobenzene（CAS# 348-61-8)
| Risk Codes | R10 – Flammable R36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S16 – Keep away from sources of ignition. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S37/39 – Wear suitable gloves and eye/face protection |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 2 |
| HS Code | 29039990 |
| Hazard Note | Flammable |
| Hazard Class | 3 |
| Packing Group | III |
Introduction
3,4-Difluorobromobenzene is an organic compound. The following is an introduction to its nature, use, preparation method and safety information:
Quality:
Appearance: 3,4-Difluorobromobenzene is a colorless to light yellow liquid.
Density: approx. 1.65 g/cm³
Solubility: 3,4-difluorobromobenzene is soluble in some organic solvents and almost insoluble in water.
Use:
Electronics industry: due to its good electronic properties, 3,4-difluorobromobenzene is often used as a component of organic semiconductor materials.
Method:
The preparation method of 3,4-difluorobromobenzene comprises the following steps:
First, bromobenzene and bromoflurane are reacted to produce 2,3,4,5-tetrabromofluorobenzene.
2,3,4,5-tetrabromofluorobenzene is then reacted with hydrofluoric acid to obtain 3,4-difluorobromobenzene.
Safety Information:
3,4-Difluorobromobenzene is toxic and care should be taken to avoid contact with the skin and inhalation of its vapors.
Proper laboratory protocols and personal protective measures such as wearing appropriate protective gloves, glasses, and protective masks should be followed during use.
When storing, it should be kept away from fire sources and oxidants, and avoid contact with strong acids or alkalis.
When disposing of waste, it should be disposed of in accordance with relevant laws and regulations to avoid pollution to the environment.
