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isonicotinic acid

CAS No.: 55-22-1
Formula: C6H5NO2
Exact Mass: 123.03200
Molecular Weight: 123.10900
PSA: 50.19000
LogP: 0.77980
Reference Price: $29/kg Post Buying Request
Description Feedback
Isonicotinic acid 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.

Properties Feedback
Appearance & Physical State:White to off-white crystalline solid
Melting Point:310-315ºC
Boiling Point:260ºC (15 mmHg)
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.

Safety Info Feedback
Safety Statements:S26-S36
HS Code:2933399090
WGK Germany:2
Risk Statements:R36/37/38
Hazard Codes:Xi

GC Analytical Method Total: 1 GC Analytical Method
Van Den Dool and Kratz RI, polar column, temperature ramp [Detail]
Column type Active phase Temperature (C) Retention Index (I) Reference
Capillary DB-Wax 2088. Cha, Kim, et al., 1998


Synthesis Route Total: 102 Synthesis Route
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Precursor and Product