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3,5-DICHLORO-2-PYRIDONE

3,5-DICHLORO-2-PYRIDONE structure

CAS No.: 5437-33-2

Chemical Name:: 3,5-DICHLORO-2-PYRIDONE

Synonyms: AKOS BBS-00001371;3,5-dichloro-2-pyridino;3,5-DICHLORO-2-PYRIDONE;3,5-DICHLOROPYRIDIN-2-OL;3,5-DICHLORO-2-PYRIDINOL;2-Pyridinol,3,5-dichloro-;2-Pyridinol, 3,5-dichloro-;3,5-dichloro-2(1h)-pyridon;3,5-Dichloro-2-pyridone>3,5-Dichloro-2(1H)-pyridone

CBNumber:: CB8260552

Molecular Formula:: C5H3Cl2NO

Molecular Weight:: 163.99

MDL Number:: MFCD00126915

MOL File:: 5437-33-2.mol

Last updated:2026-01-13 11:25:36

Product description	Number	Pack Size	Price
3,5-Dichloro-2-hydroxypyridine 97%	574414	1g	$74.4
3,5-Dichloro-2-pyridone >98.0%(GC)	D3312	5g	$108
3,5-Dichloro-2-pyridone >98.0%(GC)	D3312	25g	$321
3,5-Dichloro-2-pyridone	D437435	2.5g	$220
2-Hydroxy-3,5-dichloropyridine	Y5041	10g	$241

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3,5-DICHLORO-2-PYRIDONE Properties

Melting point	180-182 °C (lit.)
Boiling point	275.9±40.0 °C(Predicted)
Density	1.2557 (rough estimate)
refractive index	1.5680 (estimate)
storage temp.	Sealed in dry,Room Temperature
pka	8.48±0.10(Predicted)
form	powder to crystal
color	White to Light yellow
BRN	1524971
InChI	1S/C5H3Cl2NO/c6-3-1-4(7)5(9)8-2-3/h1-2H,(H,8,9)
InChIKey	ZICOPWJJZSJEDL-UHFFFAOYSA-N
SMILES	Oc1ncc(Cl)cc1Cl
CAS DataBase Reference	5437-33-2(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	S7XC36D6EE
EPA Substance Registry System	2(1H)-Pyridinone, 3,5-dichloro- (5437-33-2)
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,T+

Risk Statements

36/37/38

Safety Statements

26-36

WGK Germany

RTECS

UV1146300

TSCA

TSCA listed

HS Code

29339900

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

NFPA 704

	1
2		0

3,5-DICHLORO-2-PYRIDONE price More Price(25)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	574414	3,5-Dichloro-2-hydroxypyridine 97%	5437-33-2	1g	$74.4	2023-06-20	Buy
TCI Chemical	D3312	3,5-Dichloro-2-pyridone >98.0%(GC)	5437-33-2	5g	$108	2025-07-31	Buy
TCI Chemical	D3312	3,5-Dichloro-2-pyridone >98.0%(GC)	5437-33-2	25g	$321	2025-07-31	Buy
TRC	D437435	3,5-Dichloro-2-pyridone	5437-33-2	2.5g	$220	2021-12-16	Buy
AK Scientific	Y5041	2-Hydroxy-3,5-dichloropyridine	5437-33-2	10g	$241	2021-12-16	Buy

Product number	Packaging	Price	Buy
574414	1g	$74.4	Buy
D3312	5g	$108	Buy
D3312	25g	$321	Buy
D437435	2.5g	$220	Buy
Y5041	10g	$241	Buy

3,5-DICHLORO-2-PYRIDONE Chemical Properties,Uses,Production

Chemical Properties

white to light beige crystalline powder

Definition

ChEBI: 3,5-Dichloro-1,2-dihydropyridin-2-one is a chloropyridine.

3,5-DICHLORO-2-PYRIDONE Preparation Products And Raw materials

Raw materials

Sodium hypochlorite 2-Hydroxypyridine

Preparation Products

3,5-DICHLORO-2-PYRIDONE Suppliers

Global( 205)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	20129	58
Hubei xin bonus chemical co. LTD	86-13657291602	linda@hubeijusheng.com	CHINA	22963	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
Hebei shuoxi biotechnology co. LTD	+8613081092107		CHINA	964	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49977	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29795	58
Antai Fine Chemical Technology Co.,Limited	18503026267	info@antaichem.com	CHINA	9636	58
Hebei Binshare New Material Co. Ltd	+8618633865755	china01@hbbinshare.com	CHINA	955	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
Win-Win chemical CO., Limited	+86-0086-577-64498589 +86-15355981851	sales@win-winchemical.com	China	14358	58

Supplier	Advantage
Henan Fengda Chemical Co., Ltd	58
Hubei xin bonus chemical co. LTD	58
Alchem Pharmtech,Inc.	58
Hebei shuoxi biotechnology co. LTD	58
CONIER CHEM AND PHARMA LIMITED	58
career henan chemical co	58
Antai Fine Chemical Technology Co.,Limited	58
Hebei Binshare New Material Co. Ltd	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Win-Win chemical CO., Limited	58

View Lastest Price from 3,5-DICHLORO-2-PYRIDONE manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-11-18	3,5-DICHLORO-2-PYRIDONE 5437-33-2	US $1.10 / g	1g	99.00%	100 Tons Min	Dideu Industries Group Limited
2025-09-25	3,5-DICHLORO-2-PYRIDONE 5437-33-2	US $5.00-0.10 / KG	1KG	98%	g-kg-tons, free sample is available	Henan Fengda Chemical Co., Ltd
2025-04-04	3,5-dichloro-2-hydroxypyridine 5437-33-2	US $0.00-0.00 / kg	1kg	98%	1Ton	Henan Aochuang Chemical Co.,Ltd.

3,5-DICHLORO-2-PYRIDONE
5437-33-2
US $1.10 / g
99.00%
Dideu Industries Group Limited

3,5-DICHLORO-2-PYRIDONE
5437-33-2
US $5.00-0.10 / KG
98%
Henan Fengda Chemical Co., Ltd

3,5-dichloro-2-hydroxypyridine
5437-33-2
US $0.00-0.00 / kg
98%
Henan Aochuang Chemical Co.,Ltd.

3,5-DICHLORO-2-PYRIDONE Spectrum

3,5-DICHLORO-2-PYRIDONE(5437-33-2)¹HNMR 3,5-DICHLORO-2-PYRIDONE(5437-33-2)IR

5437-33-2(3,5-DICHLORO-2-PYRIDONE)Related Search:

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2,3-Dichloro-5-hydroxypyridine 2,6-DICHLORO-4-HYDROXYPYRIDINE 4-HYDROXYPYRIDINE

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3,5-Dichloro-2-hydroxypyridine 3,5-Dichloro-2-pyridinol 3,5-dichloropyridin-2(1H)-one 3,5-Dichloro-1H-pyridin-2-one 2-Pyridinol,3,5-dichloro- 3,5-dichloro-2(1h)-pyridinon 2(1H)-Pyridinone, 3,5-dichloro- 2(1H)-Pyridone, 3,5-dichloro- 2-Pyridinol, 3,5-dichloro- 3,5-Dichloro-2-pyridinol ,98% 3,5-Dichloro-2(1H)-pyridone 3,5-Dichloropyridine-2(1H)-one 3,5-Dichloro-2(1H)-pyridinone 3,5-dichloro-2(1h)-pyridon 3,5-dichloro-2-pyridino 2-HYDROXY-3,5-DICHLOROPYRIDINE 3,5-DICHLORO-2-PYRIDONE 98+% 3,5-DICHLOROPYRIDIN-2-OL 3,5-DICHLORO-2-PYRIDINOL 3,5-DICHLORO-2-PYRIDONE 3,5-DICHLORO-2-HYDROXYPYRIDINE AKOS BBS-00001371 3,5-Dichloro-2-pyridone> 3,5-DICHLORO-2-PYRIDONE ISO 9001：2015 REACH 3,5-Dichloro-3-Hydroxy pyridine 5437-33-2 C5H3CI2NO2 C5H2Cl2NO Pyridines Halogenated Heterocycles Heterocyclic Building Blocks Building Blocks Halopyridines Chloropyridines C5Heterocyclic Building Blocks Halogenated Heterocycles Heterocyclic Building Blocks Chloropyridines Halopyridines Halides Pyridines Pyridine