4-氨基-5-氯-2-甲氧基苯甲酸 - Names and Identifiers
4-氨基-5-氯-2-甲氧基苯甲酸 - Physico-chemical Properties
Molecular Formula | C8H8ClNO3
|
Molar Mass | 201.61 |
Density | 1.3639 (rough estimate) |
Melting Point | 206 °C (dec.) (lit.) |
Boling Point | 369.7±42.0 °C(Predicted) |
Flash Point | 177.4°C |
Solubility | Soluble in water |
Vapor Presure | 4.06E-06mmHg at 25°C |
Appearance | White to slightly beige powder |
Color | White to slightly beige |
pKa | 4.38±0.10(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
Sensitive | Sensitive to air |
Refractive Index | 1.5800 (estimate) |
MDL | MFCD00038794 |
4-氨基-5-氯-2-甲氧基苯甲酸 - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Risk Codes | 36/37/38 - 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 - Wear suitable protective clothing.
|
WGK Germany | 3 |
HS Code | 29225090 |
4-氨基-5-氯-2-甲氧基苯甲酸 - Introduction
Acid is an organic compound. The following are some properties, uses, preparation and safety information about the compound:
Nature:
-Appearance: White crystalline solid
-Molecular formula: C8H8ClNO3
-Molecular weight: 209.61g/mol
-Melting Point: 214-217°C
-Solubility: Slightly soluble in water, easily soluble in organic solvents such as alcohols and ketones
Use:
The compound is mainly used in the field of medicine, as an intermediate for the synthesis of other drugs. It can be used as a raw material for drugs, especially for the synthesis of some non-steroidal anti-inflammatory drugs and hormone drugs.
Preparation Method:
The acid can be obtained by the following synthetic route:
1. starting from p-methoxybenzoic acid, it reacts to generate p-methoxyphenyl carboxylic acid.
2. p-methoxyphenyl carboxylic acid reacts with phosphorus pentachloride to generate 4-chloro-2-methoxybenzoic acid after electrophilic substitution reaction.
3. 4-Chloro-2-methoxybenzoic acid reacts with ammonia to obtain 4-amino-2-methoxybenzoic acid.
4. Finally, 4-amino -2-methoxybenzoic acid was chlorinated to obtain acid.
Safety Information:
-The compound may be irritating to the eyes, skin and respiratory system and direct contact should be avoided.
-In handling and storage, appropriate safety measures must be taken, such as wearing chemical protective glasses and gloves.
-When handling, make sure to work under well-ventilated laboratory conditions.
-When storing, it should be stored in a dry, cool place, away from fire and oxidizing agents.
-In the use or disposal process, should comply with the relevant safety procedures and environmental regulations.
Last Update:2024-04-09 21:00:56