2-Hydroxy acid

Modify Date: 2026-07-03 16:09:45

2-Hydroxy acid Structure
2-Hydroxy acid structure
Common Name 2-Hydroxy acid
CAS Number 609-71-2 Molecular Weight 139.109
Density 1.5±0.1 g/cm3 Boiling Point 427.5±30.0 °C at 760 mmHg
Molecular Formula C6H5NO3 Melting Point 258-261 °C(lit.)
MSDS Chinese USA Flash Point 212.4±24.6 °C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-Hydroxynicotinic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.5±0.1 g/cm3
Boiling Point 427.5±30.0 °C at 760 mmHg
Melting Point 258-261 °C(lit.)
Molecular Formula C6H5NO3
Molecular Weight 139.109
Flash Point 212.4±24.6 °C
Exact Mass 139.026947
PSA 70.42000
LogP -0.32
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.626
InChIKey UEYQJQVBUVAELZ-UHFFFAOYSA-N
SMILES O=C(O)c1ccc[nH]c1=O
Water Solubility 0.1 M NaOH: 0.1 g/mL, clear

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant
Risk Phrases R36/37/38
Safety Phrases S26-S36-S37/39
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2933399090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933399090
Summary 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles4

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

New possible chelating agents of clinical interest for iron(III): 2-hydroxynicotinic acid and 3-hydroxypicolinic acid. A thermodynamic study.

Ann. Chim. 91(9-10) , 595-603, (2001)

The formation of complexes between iron(III) and two ligands of possible relevance to chelation therapy, 2-hydroxynicotinic acid and 3-hydroxypicolinic acid, in aqueous 0.6 m (Na)Cl at 25 degrees C, h...

Permeation of aromatic carboxylic acids across lipid bilayers: the pH-partition hypothesis revisited.

Biophys. J. 89(3) , 1802-11, (2005)

According to the pH-partition hypothesis the charged species of organic compounds do not contribute to lipid bilayer permeation as they generally show negligible partitioning into n-octanol. With this...

Comparing the lipid membrane affinity and permeation of drug-like acids: the intriguing effects of cholesterol and charged lipids.

Pharm. Res. 24(8) , 1457-72, (2007)

Lipid bilayers regulate the passage of solutes into and between cellular compartments. A general prerequisite for this passage is the partitioning of the solute into the bilayer. We investigated the r...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2-hydroxy-3-nicotinic acid
3-Carboxy-2-pyridone
2-hydroxy-3-carboxypyridine
2-hydroxynicotininic acid
T6MVJ CVQ
2-Hydroxy-3-picolinic acid
2-Hydroxynicotinic a
MFCD00010100
2-hydroxyl nicotinic acid
2-Hydroxypyridine-3-carboxylic acid
1,2-Dihydro-2-oxo-3-pyridinecarboxylic acid
EINECS 210-198-2
2-oxy-pyridine-3-carboxylic acid
2-Oxo-1,2-dihydropyridine-3-carboxylic acid
2-Hydroxynicotinicacid
2-Oxo-1,2-dihydro-3-pyridinecarboxylic acid
2-Hydroxy acid

 2-Hydroxy acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the InChIKey of 2-Hydroxynicotinic acid?
A: InChIKey of 2-Hydroxynicotinic acid is UEYQJQVBUVAELZ-UHFFFAOYSA-N.
Q: What is the SMILES notation of 2-Hydroxynicotinic acid?
A: SMILES notation of 2-Hydroxynicotinic acid is O=C(O)c1ccc[nH]c1=O.
Q: What is the CAS number of 2-Hydroxynicotinic acid?
A: CAS number of 2-Hydroxynicotinic acid is 609-71-2.
Q: What are the downstream products of 2-Hydroxynicotinic acid?
A: Related downstream products(CAS) of 2-Hydroxynicotinic acid: 35620-71-4;36404-89-4;42959-38-6;49609-84-9;334708-05-3;40134-18-7;38076-80-1;183274-22-8;59-67-6;27805-12-5.
Q: What is the molecular weight of 2-Hydroxynicotinic acid?
A: Molecular weight of 2-Hydroxynicotinic acid is 139.109.
Q: What are the upstream materials of 2-Hydroxynicotinic acid?
A: Related upstream materials(CAS) of 2-Hydroxynicotinic acid: 2942-59-8;20577-27-9;393-55-5;2398-81-4;35905-85-2;59-67-6;6602-54-6;1986-81-8;364-22-7;98-92-0.
Q: What is the melting point of 2-Hydroxynicotinic acid?
A: Melting point of 2-Hydroxynicotinic acid is 258-261 °C(lit.).
Q: What is the LogP of 2-Hydroxynicotinic acid?
A: LogP of 2-Hydroxynicotinic acid is -0.32.
Q: What is the boiling point of 2-Hydroxynicotinic acid?
A: Boiling point of 2-Hydroxynicotinic acid is 427.5±30.0 °C at 760 mmHg.
Q: What is the English name of 2-Hydroxynicotinic acid?
A: The English name of 2-Hydroxynicotinic acid is 2-Hydroxynicotinic acid.

 2-Hydroxy acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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