4,5-DICHLORO-2-(HYDROXYMETHYL)-2,3-DIHYDROPYRIDAZIN-3-ONE

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Names

[ CAS No. ]:
51355-97-6

[ Name ]:
4,5-DICHLORO-2-(HYDROXYMETHYL)-2,3-DIHYDROPYRIDAZIN-3-ONE

[Synonym ]:
4,5-dichloro-2-hydroxymethyl-2H-pyridazin-3-one
1-hydroxymethyl-4,5-dichloropyridazin-6-one

Chemical & Physical Properties

[ Density]:
1.72g/cm3

[ Boiling Point ]:
261.9ºC at 760 mmHg

[ Melting Point ]:
97ºC

[ Molecular Formula ]:
C5H4Cl2N2O2

[ Molecular Weight ]:
195.00300

[ Flash Point ]:
112.2ºC

[ Exact Mass ]:
193.96500

[ PSA ]:
55.12000

[ LogP ]:
0.49990

[ Index of Refraction ]:
1.643

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xn:Harmful;

[ Risk Phrases ]:
R20/21/22;R36/37/38

[ Safety Phrases ]:
S26-S36/37/39

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

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

DownStream

  • (5-chloro-6-oxo-1H-pyridazin-4-yl)imino-imino-azanium
  • 4,5-Dichloro-2-methyl-2H-pyridazin-3-one
  • 4,5-Dichloro-3(2H)-pyridazinone
  • 4-Chloro-5-Methoxypyridazin-3(2H)-One
  • 4,5-DICHLORO-2-ETHYL-3(2H)-PYRIDAZINONE
  • 2-CHLOROMETHYL-4,5-DICHLOROPYRIDAZIN-3(2H)-ONE
  • 2-butyl-4,5-dichloropyridazin-3-one
  • 4,5-dichloro-2-propylpyridazin-3-one

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%