Isonicotinic acid CAS 55-22-1
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Chemical Name: Isonicotinic acid
CAS No.:55-22-1
Molecular Fomula:C6H5NO2
Molecular weight:123.11
Appearance:yellow to tan powder
Sample: Available

Isonicotinic acid: The Complete Guide
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Description of Isonicotinic acid
INA or 4-pyridinecarboxylic acid is an organic compound with the formula C5H4N(CO2H). It is a derivative of pyridine with a carboxylic acid substituent at the 4-position. It is an isomer of picolinic acid and nicotinic acid which has the carboxyl group at the 2nd and 3rd position respectively compared to the 4-position for nicotinic acid.
Basic Info of Isonicotinic acid
Chemical Name | isonicotinic acid |
Synonyms | INA;4-Pyridinecarboxylic acid;pyridine-4-carboxylic acid; |
CAS No. | 55-22-1 |
Molecular Formula | C6H5NO2 |
Molecular Weight | 123.10900 |
PSA | 50.19000 |
LogP | 0.77980 |
Safety Info
RTECS | NS1103000 |
Safety Statements | S26-S36 |
HS Code | 2933399090 |
WGK Germany | 2 |
Risk Statements | R36/37/38 |
Hazard Codes | Xi |
Properties
Appearance & Physical State | White to off-white crystalline solid |
Density | 1.293g/cm3 |
Boiling Point | 260ºC (15 mmHg) |
Melting Point | 310-315ºC |
Flash Point | 260°C/15mm |
Water Solubility | 5.2 g/L (20 ºC) |
Stability | Stable under normal temperatures and pressures. |
Storage Condition | Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. |
Numbering system
MDL number | MFCD00006429 |
What is Isonicotinic acid?
With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is INA which has developed particularly rapidly in recent years. Do you know about INA?
The official answer:4-Pyridinecarboxylic acid, also known as isonicotinic acid; pyridine-4-carboxylic acid; isonicotinic acid, a chemical substance
What’s the application of Isonicotinic acid?
Isonicotinic acid is a widely used intermediate, mainly as a raw material for first-line anti-tuberculosis drugs such as isoniazid (Remifentan), terfenadine and isonicotinate, but also as an anti-corrosion agent, electroplating additive, photographic resin stabilizer, PVC heat stabilizer and non-ferrous metal flotation agent, etc. Isonicotinic acid is produced by condensing Chemicalbook with hydrazine hydrate and melting and dehydrating. Isonicotinic acid has good antibacterial effects on Mycobacterium tuberculosis, with good efficacy, small dosage and relatively low toxicity, and is used in the progressive, dissolution and dissemination phases of all types of pulmonary tuberculosis, as well as in tuberculous meningitis and other extrapulmonary tuberculosis, etc. Preparations include tablets and injections.
Conclusion
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