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3-Nitro-2-pyridinol

3-Nitro-2-pyridinol structure

CAS No.: 6332-56-5

Chemical Name:: 3-Nitro-2-pyridinol

Synonyms: 2-HYDROXY-3-NITROPYRIDINE;3-NITROPYRIDIN-2-OL;AURORA KA-2996;2-Hydroxy-3-Nitro;3-nitro-2-pyridino;3-NITRO-2-PYRIDONE;3-Nitro-2-pyridine;3-NITRO-2-PYRIDINOL;2-Pyridinol, 3-nitro-;3-NITRO-2(1H)-PYRIDONE

CBNumber:: CB4108795

Molecular Formula:: C5H4N2O3

Molecular Weight:: 140.1

MDL Number:: MFCD00006270

MOL File:: 6332-56-5.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 01:13:44

Product description	Number	Pack Size	Price
2-Hydroxy-3-nitropyridine >98.0%(HPLC)(T)	H0999	5g	$30
2-Hydroxy-3-nitropyridine >98.0%(HPLC)(T)	H0999	25g	$84
2-Hydroxy-3-nitropyridine Asreported	278702	2g	$322
2-Hydroxy-3-nitropyridine Asreported	278702	5g	$468
2-Hydroxy-3-nitropyridine Asreported	278702	10g	$612
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3-Nitro-2-pyridinol Properties

Melting point	212 °C (dec.) (lit.)
Boiling point	256.56°C (rough estimate)
Density	1.5657 (rough estimate)
refractive index	1.4800 (estimate)
storage temp.	Inert atmosphere,Room Temperature
form	powder to crystal
pka	8.37±0.10(Predicted)
color	yellow
BRN	124474
InChI	InChI=1S/C5H4N2O3/c8-5-4(7(9)10)2-1-3-6-5/h1-3H,(H,6,8)
InChIKey	BOAFCICMVMFLIT-UHFFFAOYSA-N
SMILES	C1(=O)NC=CC=C1[N+]([O-])=O
CAS DataBase Reference	6332-56-5(CAS DataBase Reference)
EWG's Food Scores	1
NIST Chemistry Reference	2-Hydroxy-3-nitropyridine(6332-56-5)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P305+P351+P338

target organs

Respiratory system

PPE

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Xi,Xn

Risk Statements

36/37/38-40

Safety Statements

26-36-45-36/37/39

WGK Germany

RTECS

UU7718000

HazardClass

IRRITANT, IRRITANT-HARMFUL

HS Code

29333990

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

REACH Registrations

Active

NFPA 704

	1
2		0

3-Nitro-2-pyridinol price More Price(87)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	H0999	2-Hydroxy-3-nitropyridine >98.0%(HPLC)(T)	6332-56-5	5g	$30	2026-04-30	Buy
TCI Chemical	H0999	2-Hydroxy-3-nitropyridine >98.0%(HPLC)(T)	6332-56-5	25g	$84	2026-04-30	Buy
Usbiological	278702	2-Hydroxy-3-nitropyridine Asreported	6332-56-5	2g	$322	2026-06-03	Buy
Usbiological	278702	2-Hydroxy-3-nitropyridine Asreported	6332-56-5	5g	$468	2026-06-03	Buy
Usbiological	278702	2-Hydroxy-3-nitropyridine Asreported	6332-56-5	10g	$612	2026-06-03	Buy

Product number	Packaging	Price	Buy
H0999	5g	$30	Buy
H0999	25g	$84	Buy
278702	2g	$322	Buy
278702	5g	$468	Buy
278702	10g	$612	Buy

3-Nitro-2-pyridinol Chemical Properties,Uses,Production

Chemical Properties

yellow to yellow-brown cryst. powder or needles

Uses

2-Hydroxy-3-nitropyridine was used in the synthesis of:

3-nitro-2-pyridyl β-D-galactoside
3-nitro-2-pyridyl N-acetyl-β-D-glucosaminide
5-amino-6-chloro-3-iodopyridine

Synthesis Reference(s)

Tetrahedron Letters, 12, p. 2211, 1971 DOI: 10.1016/S0040-4039(01)96822-4

General Description

2-Hydroxy-3-nitropyridine reacts with phosphorus pentachloride and phosphoryl chloride to yield 2-chloro-3-nitropyridine.

3-Nitro-2-pyridinol Preparation Products And Raw materials

Raw materials

Preparation Products

3-Amino-2-bromopyridine 2-BROMO-PYRIDIN-3-YLAMINE HCL N-(2-BROMO-3-PYRIDINYL)ACETAMIDE 2-Bromo-3-nitropyridine 1-(3-AMINO-PYRIDIN-2-YL)-ETHANONE

2-HYDRAZINO-3-NITROPYRIDINE 3-Amino-1-methylpyridin-2(1H)-one 2-CHLORO-5-IODO-PYRIDIN-3-YLAMINE 2-Methoxy-3-nitropyridine Formamide, N-(2-hydroxy-3-pyridyl)- (6CI)

3-nitro-1-methyl-2(1H)-pyridinone 3-NITROPYRIDINE-2-CARBOXAMIDE ETHYL (3-NITRO-2-OXO-1,2-DIHYDROPYRIDYL)ACETATE

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3-Nitro-2-pyridinol Suppliers

Global( 420)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Beijing Wisdom Chemicals Co., Ltd.	+86-18518363759	market@wisdomchem.com	China	254	58
Hebei Chuanghai Biotechnology Co., Ltd	+86-15350571055	Sibel@chuanghaibio.com	China	8738	58
Shaanxi Dideu Medichem Co. Ltd	+86-17392712779	1097@dideu.com	China	3992	58
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	20120	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29640	60
Shenzhen Nexconn Pharmatechs Ltd	+86-755-89396905 +86-15013857715	admin@nexconn.com	China	10403	58
Jinan Carbotang Biotech Co.,Ltd.	+8615866703830	figo.gao@foxmail.com	China	8497	58
Jinan Finer Chemical Co., Ltd	+86-531-88989536 +86-15508631887	sales@finerchem.com	China	2950	58
Accela ChemBio Inc.	+1-858-6993322 +86-18019713315	info@accelachem.com	United States	21193	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58

Supplier	Advantage
Beijing Wisdom Chemicals Co., Ltd.	58
Hebei Chuanghai Biotechnology Co., Ltd	58
Shaanxi Dideu Medichem Co. Ltd	58
Henan Fengda Chemical Co., Ltd	58
Capot Chemical Co.,Ltd.	60
Shenzhen Nexconn Pharmatechs Ltd	58
Jinan Carbotang Biotech Co.,Ltd.	58
Jinan Finer Chemical Co., Ltd	58
Accela ChemBio Inc.	58
Alchem Pharmtech,Inc.	58

View Lastest Price from 3-Nitro-2-pyridinol manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-07-09	3-Nitro-2-pyridinol 6332-56-5	$5.00	1KG	98%		Henan Fengda Chemical Co., Ltd
2026-06-30	3-Nitro-2-pyridinol 6332-56-5		1KG	98.0%	10000KGS	Shaanxi Dideu New Materials Co. Ltd
2026-03-20	3-Nitro-2-pyridinol 6332-56-5	$10.00	1KG	99%	10 mt	Hebei Chuanghai Biotechnology Co., Ltd

3-Nitro-2-pyridinol
6332-56-5
$5.00
98%
Henan Fengda Chemical Co., Ltd

3-Nitro-2-pyridinol
6332-56-5
98.0%
Shaanxi Dideu New Materials Co. Ltd

3-Nitro-2-pyridinol
6332-56-5
$10.00
99%
Hebei Chuanghai Biotechnology Co., Ltd

3-Nitro-2-pyridinol Spectrum

3-Nitro-2-pyridinol(6332-56-5)MS 3-Nitro-2-pyridinol(6332-56-5)¹HNMR 3-Nitro-2-pyridinol(6332-56-5)IR1 3-Nitro-2-pyridinol(6332-56-5)IR2 3-Nitro-2-pyridinol(6332-56-5)Raman

6332-56-5(3-Nitro-2-pyridinol)Related Search:

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5-FLUORO-2-HYDROXY-3-NITROPYRIDINE 2,4-Hydroxy-3-nitropyridine. 4-HYDROXY-3-NITROPYRIDINE N-OXIDE

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AURORA KA-2996 3-NITRO-2-PYRIDONE 3-NITRO-2-PYRIDINOL 3-NITRO-2-HYDROXYPYRIDINE 3-NITRO-2(1H)-PYRIDONE 3-NITRO-2(1H)-PYRIDINONE 2(1H)-Pyridinone, 3-nitro- 2(1H)-Pyridone, 3-nitro- 2-hydroxy-3-nitropyridinet 2-Pyridinol, 3-nitro- 3-nitro-2-pyridino Pyridine, 2-hydroxy-3-nitro pyridine,2-hydroxy-3-nitro 2-Hydroxy-3-Nitro 2-HYDRO-3-NITROPYRIDINE 2(1H)-Pyridinone,3-nitro-(9CI) 2-Hydroxy-3-nitorpyridine 3-Nitro-2-pyridinol 3-Nitro-2(1H)-pyridone 3-Nitro-2-pyridinol, 3-Nitro-2-pyridone 3-Nitro-1H-pyridin-2-one 2-Hydroxy-3-nitropyridine ,97% 3-Nitro-1,2-dihydropyridine-2-one 3-Nitropyridine-2(1H)-one 3-Nitro-2-hydroxypyridinol 2-Hydroxy-3-nitropyridine,98% 2-Hydroxy-3-nitropyridine 98% 3-Nitro-2-pyridine 2-Hydroxy-3-nitropyridine> 3-Nitro-2-pyridinol ISO 9001：2015 REACH 2-HYDROXY-3-NITROPYRIDINE (TAX INVOICE N 3-NITROPYRIDIN-2-OL 2-HYDROXY-3-NITROPYRIDINE 6332-56-5 Pyridines Heterocyclic Building Blocks Building Blocks C5 NITRO Pyridine Pyridines, Pyrimidines, Purines and Pteredines Pyridines Pyridines derivates