O-Nitrophenol

English name: 2-Hydroxynitrobenzene; O-nitrophenol

Molecular formula: C6H5NO3

CAS Number: 88-75-5

Appearance: pale yellow needle or prismatic crystal

Melting point : 43-47℃

Molecular weight: 139

Dangerous Goods Shipping Number : UN 1663

Structural formula:

Physical and chemical properties:

1. Appearance: light yellow needle or flake crystal

2. Melting point (℃): 43-47

3. Boiling point (℃): 214.5

4. Solubility: soluble in ethanol, ether, benzene, hot water, slightly soluble in cold water, and can be volatilized with steam.

The main purpose:

It is used as an intermediate for organic synthesis of medicine, dyes, rubber additives, photosensitive materials, etc.; it can also be used as a monochromatic pH indicator.

Storage method:

Store in a cool, ventilated warehouse. Keep away from fire and heat sources. Package is sealed. It should be stored separately from oxidizing agents, reducing agents, alkalis, and edible chemicals, and should not be stored together. Use explosion-proof lighting and ventilation facilities. Prohibit the use of mechanical equipment and tools that are prone to sparks.