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2-Hydroxynicotinic Acid (609-71-2) C6H5NO3

  • Chemical Name: 2-Hydroxynicotinic acid
  • CAS No.: 609-71-2
  • MF: C6H5NO3
  • MW:139.11
  • Specification: USP|EP|BP
  • Purity: >99% or As customer requested
  • Color: White to light yellow
  • Solubility:0.1 M NaOH: 0.1 g/mL, clear
  • Product Categories: Pharmaceutical intermediate;Pyridine Compound;Pyridine
  • Test method: HPLC
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2-Hydroxynicotinic acid, also known as 2-hydroxypyridine-3-carboxylic acid, is a member of the class of compounds known as pyridinecarboxylic acids. 2-Hydroxynicotinic acid is soluble (in water) and a weakly acidic compound (based on its pKa). 2-Hydroxynicotinic acid can be found in urine. It is a white to light yellow powder soluble in water. 

Basic information 
Product Name: 2-Hydroxynicotinic acid
Synonyms: 1,2-dihydro-2-oxonicotinic acid; 2-Hydroxynicotinic acid 98%; 2-Hydroxynicotinicacid,99%; 2-Hydroxy-3-picolinic acid; 2-HYDROXYNICOTINIC ACID; 
CAS: 609-71-2
MF: C6H5NO3
MW: 139.11
EINECS: 210-198-2
Product Categories: Pyridines; Organic acids; Pharma intermediate
Chemical Structure

2-Hydroxynicotinic acid            

Chemical Properties   
Melting point  258-261 °C(lit.)
Boiling point  255.04°C (rough estimate)
density  1.4429 (rough estimate)
refractive index  1.5423 (estimate)
storage temp.  Inert atmosphere,Room Temperature
solubility  0.1 M NaOH: 0.1 g/mL, clear
pka 2.40±0.20(Predicted)
form  Powder
color  White to light yellow
BRN  119028
InChIKey UEYQJQVBUVAELZ-UHFFFAOYSA-N
Usage And Synthesis  
Chemical Properties White to light yellow powder
Uses 2-Hydroxynicotinic acid is a Nicotinic acid (N429250) analogue used as a growth factor in Erwinia amylovora growth (pear and apple blossoms).
Technical Support & Resources

Information provided in the product description is from published literature. Due to the nature of scientific experimentation, your results (e.g., selectivity and effective concentrations) or specific application for this product may differ. If you have questions about how this product fits your application, please contact our technical support staff.

MSDS: MSDS available.

COA: COA can be available if you send us inquiry.

Email us at: info@maxmedchem.com for more details.

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