3,4,5,6-TETRACHLOROPYRIDAZINE

Product Name: 3,4,5,6-TETRACHLOROPYRIDAZINE
CAS No.: 20074-67-3
Chemical Name: 3,4,5,6-TETRACHLOROPYRIDAZINE
Synonyms: Perchloropyridazine;TETRACHLOROPYRIDAZINE;3，4，5，6-Tetrachlorpyridazin;3,4,5,6-TETRACHLOROPYRIDAZINE;Pyridazine,3,4,5,6-tetrachloro-
CBNumber: CB3197107
Molecular Formula: C4Cl4N2
Formula Weight: 217.87
MOL File: 20074-67-3.mol

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3,4,5,6-TETRACHLOROPYRIDAZINE Property

Melting point:: 87-89
Boiling point:: 353.3±37.0 °C(Predicted)
Density: 1.761±0.06 g/cm3(Predicted)
storage temp.: under inert gas (nitrogen or Argon) at 2-8°C
pka: -4.31±0.10(Predicted)
Appearance: White to yellow Solid

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Safety

HS Code: 2933998090

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

TRC

Product number: T865255
Product name: 3,4,5,6-tetrachloropyridazine
Packaging: 100mg
Price: $285
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: HCH0014365
Product name: TETRACHLOROPYRIDAZINE
Purity: 95.00%
Packaging: 1G
Price: $1379.7
Updated: 2021/12/16

SynQuest Laboratories

Product number: 3H32-4-03
Product name: Tetrachloropyridazine
Purity: 95.0%
Packaging: 1g
Price: $151
Updated: 2021/12/16

AK Scientific

Product number: 0313AB
Product name: Perchloropyridazine
Packaging: 5g
Price: $544
Updated: 2021/12/16

Chemenu

Product number: CM120425
Product name: Perchloropyridazine
Purity: 95%
Packaging: 10g
Price: $552
Updated: 2021/12/16

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3,4,5,6-TETRACHLOROPYRIDAZINE Chemical Properties,Usage,Production

Synthesis

13645-43-7

20074-67-3

General procedure for the synthesis of 3,4,5,6-tetrachloropyridazine from 3-hydroxy-4,5-dichloro-6-nitropyridazine: a mixture of DMF (14.75 mL, 190 mmol) and POCl3 (17.7 mL, 190 mmol) in anhydrous toluene (150 mL) was stirred for 1 hour at room temperature. Subsequently, 3-hydroxy-4,5-dichloro-6-nitropyridazine (10 g, 48.0 mmol) was added and the reaction mixture was refluxed for 18 hours. After completion of the reaction, the mixture was cooled, poured into ice water and stirred for 30 minutes. The organic phase was separated and the aqueous layer was extracted with EtOAc (4 x 200 mL). The organic layers were combined, dried over MgSO4, filtered and concentrated. The residue was purified by column chromatography (cHexane/EtOAc, 15:1 to 10:1) to afford 3,4,5,6-tetrachloropyridazine as a white solid (6.22 g, 60% yield).HPLC-MS (Method 4): retention time Rt = 4.97 min, [M + H]+ m/z 217-219-221-223.13C NMR (300 MHz, CDCl3) δ 137.48, 154.65.

References

[1] Journal of Heterocyclic Chemistry, 1996, vol. 33, # 6, p. 1915 - 1918
[2] Patent: WO2013/4984, 2013, A1. Location in patent: Page/Page column 71

3,4,5,6-TETRACHLOROPYRIDAZINE Preparation Products And Raw materials

Raw materials

Preparation Products

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3,4,5,6-TETRACHLOROPYRIDAZINE Suppliers

China 31 The Netherlands 1 United Kingdom 2 United States 5 Global 39

Chiba Pharmaceutical Science and technology Co, Ltd.

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Biokitchen

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Aikon International Limited

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Linyi Azelasi Biological Co., Ltd.

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View Lastest Price from 3,4,5,6-TETRACHLOROPYRIDAZINE manufacturers

Shanghai Rlavie Technology Co ltd

Product: 3,4,5,6-tetrachloropyridazine 20074-67-3
Price: US $0.00-0.00/KG
Min. Order: 1g
Purity: 98%minHPLC
Supply Ability: 50kgs/month
Release date: 2021-11-13

20074-67-3, 3,4,5,6-TETRACHLOROPYRIDAZINERelated Search:

3,6-Pyridazinediamine(9CI) 3,6-DIMETHOXYPYRIDAZINE 3,4-Dihydro-(1H)-benzopyrane 3,4-dichloropyridazine 3,6-Dimethyl Pyridazine 3,5-Dibromopyridazine 3,4,5-Tribromopyridazine 3,4,6-Tribromopyridazine Chlorothiazide Hydrochlorothiazide 3,4,5-TRICHLOROPYRIDAZINE 3,6-Dichloropyridazine 3,5-Dichloropyridazine 3,4,5,6-TETRACHLOROPYRIDAZINE 3,4,6-Trichloropyridazine 4-CHLOROPYRIDAZINE

TETRACHLOROPYRIDAZINE

3,4,5,6-TETRACHLOROPYRIDAZINE

Perchloropyridazine

Pyridazine,3,4,5,6-tetrachloro-

3，4，5，6-Tetrachlorpyridazin

20074-67-3