3-Amino-4-hydroxybenzoicacidHCl - Names and Identifiers
3-Amino-4-hydroxybenzoicacidHCl - Physico-chemical Properties
Molecular Formula | C7H8ClNO3
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Molar Mass | 189.6 |
Storage Condition | Room Temprature |
3-Amino-4-hydroxybenzoicacidHCl - Risk and Safety
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
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3-Amino-4-hydroxybenzoicacidHCl - Upstream Downstream Industry
3-Amino-4-hydroxybenzoicacidHCl - Introduction
It is an organic compound with the chemical formula C7H7NO3 • HCl. The following is a detailed description of its nature, use, formulation and safety information:
Nature:
-Appearance: White crystalline solid
-Melting Point: 181-183 ° C
-Solubility: Dissolved in water, insoluble in organic solvents
-Acidity and alkalinity: It is a weak organic acid that can form salt in aqueous solution.
Use:
-Chemical reagents: catalysts or reagents commonly used in organic synthesis reactions.
-Drug: Used as an antioxidant or as a synthetic precursor of hormone drugs.
Method:
acid hydrochloride can be prepared by the following steps:
1.3-nitro -4-methoxybenzoic acid is reacted with ferrous chloride to generate 3-nitro -4-chlorobenzoic acid.
2.3-nitro -4-chlorobenzoic acid reacts with ammonia to generate 4-amino -3-nitrobenzoic acid.
3.4-amino -3-nitrobenzoic acid reacts with silver nitrite to generate 4-hydroxy -3-amino benzoic acid.
4. 4-Hydroxy-3-aminobenzoic acid is treated with hydrochloric acid to form hydrochloric acid.
Safety Information:
-chloride is an irritant, and contact with skin or eyes may cause irritation or burns.
-Use with appropriate personal protective equipment, such as lab gloves, goggles, etc.
-Avoid inhaling its dust or solution during operation, and operate in a well-ventilated place.
-It should be stored in a dry, cool place and away from combustibles and oxidants.
-Carefully read the safety data sheet or consult a professional before use.
Last Update:2024-04-09 02:00:50