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4-Methylnicotinic acid

  • Name 4-Methylnicotinic acid
  • EINECS-0
  • CAS No. 3222-50-2
  • Density1.23 g/cm3
  • PSA50.19000
  • LogP1.08820
  • SolubilityN/A
  • Melting Point217-221 °C
  • FormulaC7H7NO2
  • Boiling Point304.094 °C at 760 mmHg
  • Molecular Weight137.138
  • Flash Point137.712 °C
  • Transport InformationN/A
  • AppearanceN/A
  • Safety26-36
  • Risk Codes36/37/38
  • Molecular Structure
    Molecular Structure of 3222-50-2 (4-Methylnicotinic acid)
  • Hazard SymbolsIrritantXi
  • SynonymsIrritantXi
  • Article Data21

4-Methylnicotinic acid Chemical Properties

IUPAC Name: 4-methylpyridine-3-carboxylic acid 
Empirical Formula: C7H7NO2
Molecular Weight: 137.136g/mol
Structure of 3-Pyridinecarboxylicacid, 4-methyl- (CAS NO.3222-50-2):

Index of Refraction: 1.561
Molar Refractivity: 36.09 cm3
Molar Volume: 111.4 cm3
Polarizability: 14.31×10-24cm3
Surface Tension: 53.3 dyne/cm
Density: 1.23 g/cm3
Flash Point: 137.7 °C
Enthalpy of Vaporization: 57.49 kJ/mol
Boiling Point: 304.1 °C at 760 mmHg
Vapour Pressure: 0.000392 mmHg at 25°C 
Product Categories: Nitrogen cyclic compounds;Acids and Derivatives;Heterocycles;Carboxylic Acids;Pyridines;Pyridines derivates;Heterocyclic Compounds;Carboxylic Acids 
Canonical SMILES: CC1=C(C=NC=C1)C(=O)O
InChI: InChI=1S/C7H7NO2/c1-5-2-3-8-4-6(5)7(9)10/h2-4H,1H3,(H,9,10)
InChIKey: ZKUZSTXNVMIDCY-UHFFFAOYSA-N

4-Methylnicotinic acid Safety Profile

Hazard Codes: IrritantXi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
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

4-Methylnicotinic acid Specification

  3-Pyridinecarboxylicacid, 4-methyl- , its cas register number is 3222-50-2. It also can be called 4-Methylnicotinic acid ; 4-Methyl-3-pyridinecarboxylic acid ; 4-Methylnicotinic acid hydrochloride ;4-Methylpyridine-3-Carboxylic Acid . 3-Pyridinecarboxylicacid, 4-methyl- (CAS NO.3222-50-2) is irritating to eyes, respiratory system and skin. So you should wear suitable protective clothing.

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