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3,6-dichloropyridazin-4-amine

3,6-dichloropyridazin-4-amine structure

CAS No.: 823-58-5

Chemical Name:: 3,6-dichloropyridazin-4-amine

Synonyms: NSC 170664;4-Amino-3,6-dichL;3,6-Dichloro-4-Pyridazinamine;4-Amino-3,6-dihydropyridazine;3,6-dichloropyridazin-4-amine;3,6-Dichloro-4-aMinopyridazine;4-AMino-3,6-dicholropyridazine;4-AMino-3,6-dichloropyridazine;4-PyridazinaMine, 3,6-dichloro-;4-Amino-3,6-dichloropyridazine 98%

CBNumber:: CB21457726

Molecular Formula:: C4H3Cl2N3

Molecular Weight:: 163.99

MDL Number:: MFCD01647253

MOL File:: 823-58-5.mol

MSDS File:: SDS

Last updated:2026-05-27 23:59:28

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3,6-dichloropyridazin-4-amine Properties

Melting point	203 °C
Boiling point	363.0±37.0 °C(Predicted)
Density	1.606±0.06 g/cm3(Predicted)
storage temp.	under inert gas (nitrogen or Argon) at 2–8 °C
form	solid
pka	2.08±0.10(Predicted)
color	Yellow-brown
InChI	InChI=1S/C4H3Cl2N3/c5-3-1-2(7)4(6)9-8-3/h1H,(H2,7,8)
InChIKey	HODYDVHWWMTUEL-UHFFFAOYSA-N
SMILES	C1(Cl)=NN=C(Cl)C=C1N

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302+H312+H332-H315-H319-H335
Precautionary statements	P280
HS Code	2933998090

3,6-dichloropyridazin-4-amine price More Price(55)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Apolloscientific	OR304307	4-Amino-3,6-dichloropyridazine 97%	823-58-5	1g	$21	2026-06-04	Buy
Activate Scientific	AS32480	4-Amino-3,6-dichloropyridazine 97%	823-58-5	5g	$26	2026-06-04	Buy
Apolloscientific	OR304307	4-Amino-3,6-dichloropyridazine 97%	823-58-5	10g	$55	2026-06-04	Buy
Activate Scientific	AS32480	4-Amino-3,6-dichloropyridazine 97%	823-58-5	25g	$86	2026-06-04	Buy
Apolloscientific	OR304307	4-Amino-3,6-dichloropyridazine 97%	823-58-5	25g	$123	2026-06-04	Buy

Product number	Packaging	Price	Buy
OR304307	1g	$21	Buy
AS32480	5g	$26	Buy
OR304307	10g	$55	Buy
AS32480	25g	$86	Buy
OR304307	25g	$123	Buy

3,6-dichloropyridazin-4-amine Chemical Properties,Uses,Production

Synthesis

6082-66-2

823-58-5

General procedure for the synthesis of 3,6-dichloropyridazin-4-amine from 3,4,6-trichloropyridazine: Example 24A: 3,4,6-Trichloropyridazine (25 g, 136 mmol) was added to a 500 mL stainless steel pressure flask containing 14.8 N ammonium hydroxide solution (200 mL). The reaction mixture was stirred at 75°C for 16 hours. Upon completion of the reaction, the mixture was cooled to room temperature and the solid product was collected by filtration to afford 17 g (76% yield) of the target compound 3,6-dichloropyridazin-4-amine. The product characterization data were as follows: 1H NMR (400 MHz, DMSO-d6) δ ppm 7.16 (s, 2H), 6.82 (s, 1H); MS (ESI+) m/z 164 (M+H)+.

References

[1] Journal of Organic Chemistry, 2014, vol. 79, # 21, p. 10311 - 10322
[2] Patent: US2017/15675, 2017, A1. Location in patent: Paragraph 1001
[3] Patent: US2009/163489, 2009, A1. Location in patent: Page/Page column 51
[4] Patent: US2014/349990, 2014, A1. Location in patent: Paragraph 1051; 1052
[5] Patent: WO2014/191896, 2014, A1. Location in patent: Page/Page column 217; 218

3,6-dichloropyridazin-4-amine Preparation Products And Raw materials

Raw materials

4-Bromo-3,6-dichloropyridazine 3,4,6-Trichloropyridazine Ammonium hydroxide

Preparation Products

4-Aminopyridazine

3,6-dichloropyridazin-4-amine Suppliers

Global( 170)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Nanbu County Chengxin Technology Co., Ltd.	0838-5675166 15883665058	nbcxkj@126.com	China	956	55
Shanghai yuanzuo medical technology co., LTD	021-31775309; 15221510662	yi_shiyan@yuanzuopharm.com	China	139	58
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
JinYan Chemicals(ShangHai) Co.,Ltd.	13817811078	sales@jingyan-chemical.com	China	9963	60
Jia Xing Isenchem Co.,Ltd	0573-85285100 18627885956	isenchem@163.com	China	9389	66
Accela ChemBio Co.,Ltd.	021-50795510 4000665055	marketing@accelachem.com	China	10972	64
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
China DongFan Chemical Co.,LTD	86-0571-85151182		China	5681	66
Jinan Trio PharmaTech Co., Ltd.	0531-88811783	sales@trio-pharmatech.com	China	1856	62
Shanghai Sunway Pharmaceutical Technology Co., Ltd	13761987713	hxzheng@sunwaypharm.cn	China	8663	57

Supplier	Advantage
Nanbu County Chengxin Technology Co., Ltd.	55
Shanghai yuanzuo medical technology co., LTD	58
Energy Chemical	61
JinYan Chemicals(ShangHai) Co.,Ltd.	60
Jia Xing Isenchem Co.,Ltd	66
Accela ChemBio Co.,Ltd.	64
Shanghai Hanhong Scientific Co.,Ltd.	64
China DongFan Chemical Co.,LTD	66
Jinan Trio PharmaTech Co., Ltd.	62
Shanghai Sunway Pharmaceutical Technology Co., Ltd	57

View Lastest Price from 3,6-dichloropyridazin-4-amine manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-09-11	3,6-dichloropyridazin-4-amine 823-58-5		1kg	99		Hangzhou Lucky Biology Co., Ltd
2026-08-20	3,6-dichloropyridazin-4-amine 823-58-5	$1.10	1g	99.00%	100 Tons Min	Dideu Industries Group Limited
2025-04-04	3,6-dichloropyridazin-4-amine 823-58-5		1kg	98%	1Ton	Henan Aochuang Chemical Co.,Ltd.

3,6-dichloropyridazin-4-amine
823-58-5
$0.00
99
Hangzhou Lucky Biology Co., Ltd

3,6-dichloropyridazin-4-amine
823-58-5
$1.10
99.00%
Dideu Industries Group Limited

3,6-dichloropyridazin-4-amine
823-58-5
98%
Henan Aochuang Chemical Co.,Ltd.

3,6-dichloropyridazin-4-amine Spectrum

3,6-dichloropyridazin-4-amine(823-58-5)¹HNMR 3,6-dichloropyridazin-4-amine(823-58-5)FT-IR

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3,6-dichloropyridazin-4-amine 4-Amino-3,6-dihydropyridazine 3,6-Dichloro-4-Pyridazinamine 3,6-Dichloro-4-aMinopyridazine 4-Amino-3,6-dichloropyridazine 98% 4-AMino-3,6-dichloropyridazine 4-AMino-3,6-dicholropyridazine 4-PyridazinaMine, 3,6-dichloro- NSC 170664 3,6-Dichloropyridazin-4-amine, 4-Amino-3,6-dichloro-1,2-diazine 4-Amino-3,6-dichL 3,6-dichloropyridazin-4-amine ISO 9001：2015 REACH 823-58-5 823-56-5