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ChemicalBook >> CAS DataBase List >> 4,5-Dichloro-3(2H)-pyridazinone

4,5-Dichloro-3(2H)-pyridazinone

4,5-Dichloro-3(2H)-pyridazinone price.
  • $4 - $1871.1
  • Product name: 4,5-Dichloro-3(2H)-pyridazinone
  • CAS: 932-22-9
  • MF: C4H2Cl2N2O
  • MW: 164.98
  • EINECS:
  • MDL Number:MFCD00051504
  • Synonyms:3-Hydroxy-4,5-dichloropyridazine;4,5-Dichloro-3(2H)-pyridazone;4,5-Dichloro-6-oxo-1H-pyridazine;4,5-Dichloro-6-pyridazone;NSC 16127;NSC 17182;NSC 240022;4,5-Dichloro-3-pyridazone
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  • Manufactureraablocks
  • Product numberAA0033SC
  • Product description4,5-Dichloro-3(2H)-pyridazinone 97%
  • Packaging5g
  • Price$4
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0033SC
  • Product description4,5-Dichloro-3(2H)-pyridazinone 97%
  • Packaging10g
  • Price$5
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0033SC
  • Product description4,5-Dichloro-3(2H)-pyridazinone 97%
  • Packaging25g
  • Price$6
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0033SC
  • Product description4,5-Dichloro-3(2H)-pyridazinone 97%
  • Packaging100g
  • Price$19
  • Updated2026-05-28
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  • ManufacturerAcints
  • Product numberACI-01356
  • Product description4,5-Dichloro-pyridazin-3-ol 95%+
  • Packaging1g
  • Price$65.25
  • Updated2021-12-16
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  • ManufacturerAcints
  • Product numberACI-01356
  • Product description4,5-Dichloro-pyridazin-3-ol 95%+
  • Packaging5g
  • Price$275.5
  • Updated2021-12-16
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  • ManufacturerAcints
  • Product numberACI-01356
  • Product description4,5-Dichloro-pyridazin-3-ol 95%+
  • Packaging5g
  • Price$321.3
  • Updated2026-05-20
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  • ManufacturerAcints
  • Product numberACI-01356
  • Product description4,5-Dichloro-pyridazin-3-ol 95%+
  • Packaging1g
  • Price$75.6
  • Updated2026-05-20
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  • ManufacturerAcints
  • Product numberACI-01356
  • Product description4,5-Dichloro-pyridazin-3-ol 95%+
  • Packaging10g
  • Price$507.5
  • Updated2021-12-16
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  • ManufacturerAcints
  • Product numberACI-01356
  • Product description4,5-Dichloro-pyridazin-3-ol 95%+
  • Packaging10g
  • Price$591.3
  • Updated2026-05-20
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  • ManufacturerActivate Scientific
  • Product numberAS40377
  • Product description4,5-Dichloro-3(2H)-pyridazinone 97%
  • Packaging100g
  • Price$78
  • Updated2026-06-04
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  • ManufacturerActivate Scientific
  • Product numberAS40377
  • Product description4,5-Dichloro-3(2H)-pyridazinone 97%
  • Packaging25g
  • Price$30
  • Updated2026-06-04
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  • ManufacturerAdvanced Chemicals Intermediat
  • Product numberACI-01356
  • Product description4,5-Dichloro-pyridazin-3-ol 95%+
  • Packaging1g
  • Price$75.6
  • Updated2026-05-19
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  • ManufacturerAdvanced Chemicals Intermediat
  • Product numberACI-01356
  • Product description4,5-Dichloro-pyridazin-3-ol 95%+
  • Packaging5g
  • Price$321.3
  • Updated2026-05-19
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  • ManufacturerAdvanced Chemicals Intermediat
  • Product numberACI-01356
  • Product description4,5-Dichloro-pyridazin-3-ol 95%+
  • Packaging10g
  • Price$591.3
  • Updated2026-05-19
  • Buy
  • ManufacturerAdvanced Chemicals Intermediatesced Chemicals Intermediates
  • Product numberACI-01356
  • Product description4,5-Dichloro-pyridazin-3-ol 95%+
  • Packaging10g
  • Price$507.5
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0033SC 4,5-Dichloro-3(2H)-pyridazinone 97% 5g $4 2026-05-28 Buy
aablocks AA0033SC 4,5-Dichloro-3(2H)-pyridazinone 97% 10g $5 2026-05-28 Buy
aablocks AA0033SC 4,5-Dichloro-3(2H)-pyridazinone 97% 25g $6 2026-05-28 Buy
aablocks AA0033SC 4,5-Dichloro-3(2H)-pyridazinone 97% 100g $19 2026-05-28 Buy
Acints ACI-01356 4,5-Dichloro-pyridazin-3-ol 95%+ 1g $65.25 2021-12-16 Buy
Acints ACI-01356 4,5-Dichloro-pyridazin-3-ol 95%+ 5g $275.5 2021-12-16 Buy
Acints ACI-01356 4,5-Dichloro-pyridazin-3-ol 95%+ 5g $321.3 2026-05-20 Buy
Acints ACI-01356 4,5-Dichloro-pyridazin-3-ol 95%+ 1g $75.6 2026-05-20 Buy
Acints ACI-01356 4,5-Dichloro-pyridazin-3-ol 95%+ 10g $507.5 2021-12-16 Buy
Acints ACI-01356 4,5-Dichloro-pyridazin-3-ol 95%+ 10g $591.3 2026-05-20 Buy
Activate Scientific AS40377 4,5-Dichloro-3(2H)-pyridazinone 97% 100g $78 2026-06-04 Buy
Activate Scientific AS40377 4,5-Dichloro-3(2H)-pyridazinone 97% 25g $30 2026-06-04 Buy
Advanced Chemicals Intermediat ACI-01356 4,5-Dichloro-pyridazin-3-ol 95%+ 1g $75.6 2026-05-19 Buy
Advanced Chemicals Intermediat ACI-01356 4,5-Dichloro-pyridazin-3-ol 95%+ 5g $321.3 2026-05-19 Buy
Advanced Chemicals Intermediat ACI-01356 4,5-Dichloro-pyridazin-3-ol 95%+ 10g $591.3 2026-05-19 Buy
Advanced Chemicals Intermediatesced Chemicals Intermediates ACI-01356 4,5-Dichloro-pyridazin-3-ol 95%+ 10g $507.5 2021-12-16 Buy

Properties

Melting point :204-206 °C(lit.)
Density :1.76±0.1 g/cm3(Predicted)
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
solubility :DMSO (Slightly), Methanol (Slightly)
pka :8.39±0.60(Predicted)
form :Crystalline Powder
color :White to yellow
BRN :120959
InChI :InChI=1S/C4H2Cl2N2O/c5-2-1-7-8-4(9)3(2)6/h1H,(H,8,9)
InChIKey :VJWXIRQLLGYIDI-UHFFFAOYSA-N
SMILES :C1(=O)NN=CC(Cl)=C1Cl
CAS DataBase Reference :932-22-9(CAS DataBase Reference)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
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:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Description

4,5-Dichloro-6-pyridazone is a new labelled substituted pyridazinone that has tuberculostatic action.

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