Pyrimido[4,5-c]pyridazin-5(1H)-one

Modify Date: 2025-08-27 13:18:45

Pyrimido[4,5-c]pyridazin-5(1H)-one Structure
Pyrimido[4,5-c]pyridazin-5(1H)-one structure
Common Name Pyrimido[4,5-c]pyridazin-5(1H)-one
CAS Number 34122-01-5 Molecular Weight 148.12200
Density 1.68 g/cm3 Boiling Point 452.2ºC at 760 mmHg
Molecular Formula C6H4N4O Melting Point >300ºC
MSDS N/A Flash Point 227.3ºC

 Names

Name 8H-pyrimido[4,5-c]pyridazin-5-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.68 g/cm3
Boiling Point 452.2ºC at 760 mmHg
Melting Point >300ºC
Molecular Formula C6H4N4O
Molecular Weight 148.12200
Flash Point 227.3ºC
Exact Mass 148.03900
PSA 71.53000
Index of Refraction 1.814

 Safety Information

HS Code 2933990090

 Precursor & DownStream

Precursor  0

DownStream  1

 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%

 Synonyms

5-Hydroxypyrimido<4,5-c>pyridazin
BB_NC-1241
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