403-21-4

403-21-4 - Names and Identifiers

Name	3-Fluoro-4-nitrobenzoic acid
Synonyms	3-Fluoro-4-nitrobenzoic 3-fluoro-4-nitrobenzoate 3-FLUORO-4-NITROBENZONICACID 3-Fluoro-4-nitrobenzoic acid 3-FLUORO-4-NITROBENZOIC CAID 3-FLUORO-4-NITROBENZOIC ACID 3-Fluoro-4-nitrobenzenecarboxylic acid 3-FLUORO-4-NITROBENZENECARBOXYLIC ACID
CAS	403-21-4
InChI	InChI=1/C7H4FNO4/c8-5-3-4(7(10)11)1-2-6(5)9(12)13/h1-3H,(H,10,11)/p-1

403-21-4 - Physico-chemical Properties

Molecular Formula	C7H4FNO4
Molar Mass	185.11
Density	1.568±0.06 g/cm3(Predicted)
Melting Point	174-175°C
Boling Point	372.8±27.0 °C(Predicted)
Flash Point	179.3°C
Solubility	soluble in Methanol
Vapor Presure	3.23E-06mmHg at 25°C
Appearance	powder to crystal
Color	White to Light yellow to Green
pKa	3.08±0.10(Predicted)
Storage Condition	Sealed in dry,Room Temperature
MDL	MFCD01862092
Physical and Chemical Properties	Melting Point: 174 - 175

403-21-4 - Risk and Safety

Risk Codes	R36/37/38 - Irritating to eyes, respiratory system and skin. R37/38 - Irritating to respiratory system and skin. R36 - Irritating to the eyes R22 - Harmful if swallowed
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. S37 - Wear suitable gloves.
HS Code	29163990
Hazard Class	IRRITANT

403-21-4 - Introduction

3-Fluoro-4-nitrobenzoic acid is an organic compound with the chemical formula C7H4FNO4. The following is a description of some properties, uses, preparation methods and safety information of the compound:

Nature:
-Appearance: White or slightly yellow crystal, or light yellow to yellowish brown powder.
-Melting point: 174-178 degrees Celsius.
-Boiling point: 329 degrees Celsius.
-Solubility: Soluble in alcohol and organic solvents, such as ethanol, dimethylformamide and dichloromethane.

Use:
- 3-Fluoro-4-nitrobenzoic acid is an important intermediate, widely used in the field of organic synthesis.
-It is commonly used in drug synthesis and dye synthesis.
-This compound can also be used as a raw material for dyes, pesticides and explosives.

Preparation Method:
The preparation method of 3-Fluoro-4-nitrobenzoic acid generally includes the following steps:
1. 4-Nitrobenzoic acid is reacted with hydrogen fluoride to obtain 3-nitro-4-fluorobenzoic acid.
2. The product obtained in the previous step is reacted with sulfuric acid to obtain 3-Fluoro-4-nitrobenzoic acid.

Safety Information:
- 3-Fluoro-4-nitrobenzoic acid may be irritating to the eyes, skin, and respiratory tract. Pay attention to the use of personal protective equipment during contact.
-It should be stored in a dark, dry and sealed container, away from fire and oxidizing agents.
-In use and handling, should follow the relevant safety procedures, and maintain good ventilation.

Last Update：2024-04-09 02:00:45