p-Nitrobenzoic acid (CAS 62-23-7) is a yellow crystalline powder that is commonly used in various fields. It has a basic structure consisting of a benzene ring with a nitro group (-NO2) attached to the para position. This chemical is sparingly soluble in water, but it dissolves well in organic solvents such as ethanol and acetone. p-Nitrobenzoic acid has physical properties such as a melting point of 237-239°C and a boiling point of 340-350°C. It exhibits a yellow color and has a characteristic odor.
Applicable Fields
p-Nitrobenzoic acid finds applications in various fields due to its properties and reactivity.
Pharmaceutical Industry: In the pharmaceutical industry, p-Nitrobenzoic acid is used as an intermediate in the synthesis of various drugs. It serves as a building block for the production of pharmaceutical compounds, including analgesics, antipyretics, and anti-inflammatory drugs.
Chemical Research: p-Nitrobenzoic acid is also utilized in chemical research as a reagent and catalyst. It can be used in organic synthesis reactions, such as esterification and amidation, to introduce the p-nitrobenzoyl group into target molecules.
Storage Conditions
To ensure the stability and longevity of p-Nitrobenzoic acid, it is recommended to store it in a cool and dry place, away from direct sunlight.
ldentification
- Cas NO.: 62-23-7
- CID: 6108
- Mw: 167.1189
- MF: C7H5NO4
- Name:p-Nitrobenzoic acid (Related Reference)
- Synonyms: 4-Nitrobenzoic acid; 4-nitrodracylicacid; acide4-nitrobenzoique; Benzocaine EP Impurity E; Benzoic acid, 4-nitro-; Benzoic acid, p-nitro-; Benzoicacid,4-nitro-; Kyselina p-nitrobenzoova; kyselinap-nitrobenzoova;
- EINECS: 200-526-2
Safety Data
- [Risk Codes]
R22:Harmful if swallowed
- [Safety Statements]
S24/25:Avoid contact with skin and eyes
- Hazard Symbols:
Properties
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- Appearance:yellow crystals
- Molecular Weight:167.1189
- Density:1.61
- Boiling Point:359.1 °C at 760 mmHg
- Melting Point:239-242℃
- Flash Point:166.5 °C
- Refractive index:1.6280 (estimate)
- Solubility:<0.1 g/100 mL at 26 oC
- Stability:Stable. Combustible. Incompatible with strong oxidizing agents, cyanides, strong bases.
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