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

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

CAS No:
932-22-9
Formula:
C4H2Cl2N2O
Chemical Name:
4,5-Dichloro-3(2H)-pyridazinone
Synonyms:
3(2H)-Pyridazinone,4,5-dichloro-;4,5-Dichloro-3(2H)-pyridazinone;4,5-Dichloro-3(2H)-pyridazone;4,5-Dichloro-6-pyridazone;4,5-Dichloro-6-oxo-1H-pyridazine;4,5-Dichloro-2H-pyridazin-3-one;4,5-Dichloro-3-hydroxypyridazine;NSC 16127;NSC 17182;NSC 240022;3-Hydroxy-4,5-dichloropyridazine;4,5-Dichloropyridazin-3-ol;4,5-Dichloro-1H-pyridazin-6-one;4,5-Dichloropyridazin-3-one
Categories:
Pharmaceutical Intermediates > Heterocyclic Compound

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Description

Beige Crystalline Solid

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

Molecular Weight：

164.98

Exact Mass：

164.98

BRN：

120959

NSC Number：

240022|17182|16127

DSSTox ID：

DTXSID90239322

HScode：

2933990090

Characteristics

PSA：

41.5

XLogP3：

Appearance：

White to yellow Crystalline Powder

Density：

1.8±0.1 g/cm3

Melting Point：

202 °C

Boiling Point：

339.2°C at 760 mmHg

Flash Point：

159ºC

Refractive Index：

1.662

Safety Information

Hazard category：

IRRITANT

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

36/37/38-22

safety instructions：

26-36-37/39

RTECS Number：

UR6182000

Marks：

Xi,Xn

Precautionary statement(s)：

P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501

Hazard Statements：

H302

GHS Classification：

|Warning|H302 (85.11%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 47 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

4,5-dichloro-3-hydroxypyridazine

4,5-Dichloro-3(2H)-pyridazinone Use and Manufacturing

A new labelled substituted pyridazinone with tuberculostatic action

Computed Properties

Molecular Weight:164.97
XLogP3:1
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:2
Exact Mass:163.9544181
Monoisotopic Mass:163.9544181
Topological Polar Surface Area:41.5
Heavy Atom Count:9
Complexity:209
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
Latest News
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4,5-Dichloro-3(2H)-pyridazinone

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