Welcome to chemicalbook!

010-86108875

18162-48-6 872-50-4 Methylene Chloride naphthalene THF Titanium Dioxide

Structure Search

RFQ

Try our best to find the right business for you.

Messages

Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook >> CAS DataBase List >> 4,5-Dichloro-2-methylpyridazin-3-one

4,5-Dichloro-2-methylpyridazin-3-one

$6 - $2141
Product name: 4,5-Dichloro-2-methylpyridazin-3-one
CAS: 933-76-6
MF: C5H4Cl2N2O
MW: 179
EINECS:
MDL Number:MFCD00051686
Synonyms:4,5-dichloro-2-methyl-3(2h)-pyridazinon ;4,5-DICHLORO-2-METHYLPYRIDAZIN-3[2H]-ONE;4,5-DICHLORO-2-METHYLPYRIDAZINE-3(2H)-ONE;4,5-DICHLORO-2-METHYL-2,3-DIHYDROPYRIDAZIN-3-ONE;4,5-DICHLORO-2-METHYL-2H-PYRIDAZIN-3-ONE;4,5-DICHLORO-2-METHYL-3(2H)-PYRIDAZINONE;AKOS B029262;4,5-DICHLORO-2-METHYLPYRIDAZIN-3-ONE, 9&

Price75 Properties Safety Information Description

75 prices

Selected condition：

Brand

aablocks
Activate Scientific
AK Scientific
Alichem
Ambeed
American Custom Chemicals Corporation
Apolloscientific
Atlantic Research Chemicals
Biosynth
Chemenu
Chem-Impex
Crysdot
Matrix Scientific
Medical Isotopes, Inc.
Sigma-Aldrich
SynQuest Laboratories
Synthonix
TCI Chemical
Thermo Scientific Chemicals
TRC
Usbiological

Package

250mg
1g
2g
2.5G
5g
5.00g
10g
25.00g
25g
50g
100g
500g
2.5kg
5 g
Price $/1gm:
Price $/10gm:
Price $/5gm:

Manufactureraablocks
Product numberAA0033SB
Product description4,5-Dichloro-2-methyl-3(2H)-pyridazinone 97%
Packaging5g
Price$6
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA0033SB
Product description4,5-Dichloro-2-methyl-3(2H)-pyridazinone 97%
Packaging10g
Price$9
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA0033SB
Product description4,5-Dichloro-2-methyl-3(2H)-pyridazinone 97%
Packaging25g
Price$21
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA0033SB
Product description4,5-Dichloro-2-methyl-3(2H)-pyridazinone ≥98%
Packaging100g
Price$77
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA0033SB
Product description4,5-Dichloro-2-methyl-3(2H)-pyridazinone ≥98%
Packaging500g
Price$287
Updated2026-05-28
Buy

ManufacturerActivate Scientific
Product numberAS143767
Product description4,5-Dichloro-2-methylpyridazin-3(2H)-one 98%
Packaging100g
Price$201
Updated2026-06-04
Buy

ManufacturerActivate Scientific
Product numberAS143767
Product description4,5-Dichloro-2-methylpyridazin-3(2H)-one 98%
Packaging5g
Price$22
Updated2026-06-04
Buy

ManufacturerActivate Scientific
Product numberAS143767
Product description4,5-Dichloro-2-methylpyridazin-3(2H)-one 98%
Packaging25g
Price$57
Updated2026-06-04
Buy

ManufacturerAK Scientific
Product numberJ94295
Product description4,5-Dichloro-2-methyl-3(2H)-pyridazinone 95%
Packaging25g
Price$39
Updated2026-06-04
Buy

ManufacturerAK Scientific
Product numberC194
Product description4,5-Dichloro-2-methyl-3(2H)-pyridazinone 98%(GC)
Packaging25g
Price$52
Updated2026-06-04
Buy

ManufacturerAK Scientific
Product numberC194
Product description4,5-Dichloro-2-methyl-3(2H)-pyridazinone 98%(GC)
Packaging10g
Price$25
Updated2026-06-04
Buy

ManufacturerAK Scientific
Product numberJ20451
Product description4,5-Dichloro-2-methyl-3(2H)-pyridazinone >99%(GC)
Packaging5g
Price$20
Updated2026-06-04
Buy

ManufacturerAK Scientific
Product numberJ94295
Product description4,5-Dichloro-2-methyl-3(2H)-pyridazinone
Packaging1g
Price$12
Updated2021-12-16
Buy

ManufacturerAK Scientific
Product numberC194
Product description4,5-Dichloro-2-methyl-3(2H)-pyridazinone 98%(GC)
Packaging5g
Price$16
Updated2026-06-04
Buy

ManufacturerAK Scientific
Product numberJ94295
Product description4,5-Dichloro-2-methyl-3(2H)-pyridazinone 95%
Packaging10g
Price$19
Updated2026-06-04
Buy

ManufacturerAK Scientific
Product numberJ94295
Product description4,5-Dichloro-2-methyl-3(2H)-pyridazinone 95%
Packaging5g
Price$12
Updated2026-06-04
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA0033SB	4,5-Dichloro-2-methyl-3(2H)-pyridazinone 97%	5g	$6	2026-05-28	Buy
aablocks	AA0033SB	4,5-Dichloro-2-methyl-3(2H)-pyridazinone 97%	10g	$9	2026-05-28	Buy
aablocks	AA0033SB	4,5-Dichloro-2-methyl-3(2H)-pyridazinone 97%	25g	$21	2026-05-28	Buy
aablocks	AA0033SB	4,5-Dichloro-2-methyl-3(2H)-pyridazinone ≥98%	100g	$77	2026-05-28	Buy
aablocks	AA0033SB	4,5-Dichloro-2-methyl-3(2H)-pyridazinone ≥98%	500g	$287	2026-05-28	Buy
Activate Scientific	AS143767	4,5-Dichloro-2-methylpyridazin-3(2H)-one 98%	100g	$201	2026-06-04	Buy
Activate Scientific	AS143767	4,5-Dichloro-2-methylpyridazin-3(2H)-one 98%	5g	$22	2026-06-04	Buy
Activate Scientific	AS143767	4,5-Dichloro-2-methylpyridazin-3(2H)-one 98%	25g	$57	2026-06-04	Buy
AK Scientific	J94295	4,5-Dichloro-2-methyl-3(2H)-pyridazinone 95%	25g	$39	2026-06-04	Buy
AK Scientific	C194	4,5-Dichloro-2-methyl-3(2H)-pyridazinone 98%(GC)	25g	$52	2026-06-04	Buy
AK Scientific	C194	4,5-Dichloro-2-methyl-3(2H)-pyridazinone 98%(GC)	10g	$25	2026-06-04	Buy
AK Scientific	J20451	4,5-Dichloro-2-methyl-3(2H)-pyridazinone >99%(GC)	5g	$20	2026-06-04	Buy
AK Scientific	J94295	4,5-Dichloro-2-methyl-3(2H)-pyridazinone	1g	$12	2021-12-16	Buy
AK Scientific	C194	4,5-Dichloro-2-methyl-3(2H)-pyridazinone 98%(GC)	5g	$16	2026-06-04	Buy
AK Scientific	J94295	4,5-Dichloro-2-methyl-3(2H)-pyridazinone 95%	10g	$19	2026-06-04	Buy
AK Scientific	J94295	4,5-Dichloro-2-methyl-3(2H)-pyridazinone 95%	5g	$12	2026-06-04	Buy

Next Last

Properties

Melting point :87-91 °C(lit.)
Boiling point :197.2±50.0 °C(Predicted)
Density :1.55±0.1 g/cm3(Predicted)
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
solubility :soluble in Ethanol
form :powder to crystal
pka :-3.57±0.20(Predicted)
color :White to Orange to Green
InChI :InChI=1S/C5H4Cl2N2O/c1-9-5(10)4(7)3(6)2-8-9/h2H,1H3
InChIKey :ACKBTCUMGAHRIE-UHFFFAOYSA-N
SMILES :C1(=O)N(C)N=CC(Cl)=C1Cl

Safety Information

Symbol(GHS):

Signal word:

Danger

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H301	Toxic if swalloed	Acute toxicity,oral	Category 3	Danger	P264, P270, P301+P310, P321, P330,P405, P501
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning	P264, P280, P302+P352, P321,P332+P313, P362
H317	May cause an allergic skin reaction	Sensitisation, Skin	Category 1	Warning	P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning	P264, P280, P305+P351+P338,P337+P313P
H335	May cause respiratory irritation	Specific target organ toxicity, single exposure;Respiratory tract irritation	Category 3	Warning

Precautionary statements:

P280	Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352	IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

4,5-Dichloro-2-methyl-3(2H)-pyridazinone can be used in the synthesis of 4-amino-3(2H)-pyridazinones and 5-amino-3(2H)-pyridazinones via reaction withN-benzylaminoethanol.

More related product prices

1698-53-9 2-(2-CHLORO-6-FLUOROBENZYL)-4,5-DICHLOROPYRIDAZINE-3-(2H)-ONE 4,5-DICHLORO-2-(2-FLUOROBENZYL)PYRIDAZINE-3(2H)-ONE

Suppliers and manufacturers

Tianyuan Natural Product Co.,Ltd. Nanbu County Chengxin Technology Co., Ltd. Meryer (Shanghai) Chemical Technology Co., Ltd. Capot Chemical Co., Ltd Jia Xing Isenchem Co.,Ltd Pure Chemistry Scientific Inc. Shanghai Hanhong Scientific Co.,Ltd. China DongFan Chemical Co.,LTD Shanghai Hope Chem Co., Ltd.， Thermo Fisher Scientific

HomePage | About Us | Member Companies | Advertising | Contact us | Previous WebSite | MSDS | CAS Index | CAS DataBase | Product Catalog | Links | Privacy | Terms | Product Manufacturers | New Products
All products displayed on this website are only for non-medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.
According to relevant laws and regulations and the regulations of this website, units or individuals who purchase hazardous materials should obtain valid qualifications and qualification conditions.

4,5-Dichloro-2-methylpyridazin-3-one

Properties

Safety Information

Description

Related product price

Suppliers and manufacturers