4-Nitrophenylhydrazine Hydrochloride（CAS# 636-99-7)
| Risk Codes | R20/21/22 – Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | 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. S24/25 – Avoid contact with skin and eyes. S22 – Do not breathe dust. |
| UN IDs | 2811 |
| Hazard Note | Harmful |
| Hazard Class | 6.1 |
| Packing Group | III |
Introduction
4-nitrophenylhydrazine hydrochloride. The following is an introduction to its nature, use, preparation method and safety information:
Quality:
- 4-Nitrophenylhydrazine hydrochloride is a yellow crystalline solid that is soluble in water.
- It is highly oxidizing and explosive, so handle it with care.
Use:
- 4-Nitrophenylhydrazine hydrochloride is commonly used as an intermediate for high-energy substances and explosives.
- It can be used in the preparation of other nitro-group-containing compounds.
Method:
- A common method for the preparation of 4-nitrophenylhydrazine hydrochloride is obtained by nitrification.
- Dissolve phenylhydrazine in an acidic solvent and add the appropriate amount of nitric acid.
- At the end of the reaction, the product is crystallized in the form of hydrochloric acid.
Safety Information:
- 4-Nitrophenylhydrazine hydrochloride is a highly unstable and explosive compound and should not react violently with other substances or conditions.
- During handling and storage, it is important to follow the relevant safety operating procedures and wear appropriate protective equipment.
- When conducting experiments or industrial use, the amount and conditions of its use are strictly controlled to prevent accidents.
- When discarding or disposing of the substance, local laws, regulations and regulations should be observed.
