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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 10352425Generated: October 27, 2026

Ethyl 6-chloropyridazine-3-carboxylate

ethyl 4-chloropyriMidine-2-carboxylate · Ethyl 6-chloropyridazine-3-carboxylate · 6-chlorodazine-3-ethyl formate · Ethyl 6-chloro-3-pyridazinecarboxylate · 6-Chloro-pyridazine-3-carboxylic acid ethyl ester · 3-Pyridazinecarboxylic acid, 6-chloro-, ethyl ester · 6-Chloro-pyridazine-3-carboxylic acid ethyl ester ISO 9001:2015 REACH

https://huagongshe.com/en/chemical/10352425

Ethyl 6-chloropyridazine-3-carboxylate molecular structure

Identifiers & Physical Properties

CAS No.75680-92-1
Molecular formulaC7H7ClN2O2
Average molar mass186.59 g/mol
Monoisotopic mass186.01960514 g/mol
SMILESCCOC(=O)c1ccc(Cl)nn1
InChIKeyGVSVPKDEHFOXSW-UHFFFAOYSA-N
PubChem CID10352425
EC No.185-135-4
DTXSIDDTXSID50438516

Chemical & Physical Properties

XLogP0.1
Topological polar surface area52.1
Hydrogen bond donors0
Hydrogen bond acceptors4
Rotatable bonds3
Heavy atoms12
Formal charge0
Complexity165
LogP (partition coefficient)0.12
Melting point147-149 °C
Boiling point320.1±22.0 °C(Predicted)
Density1.311±0.06 g/cm3(Predicted)
Storage conditionsunder inert gas (nitrogen or Argon) at 2-8°C
Physical stateCrystalline Powder
pKa (acidity coefficient)-0.94±0.10(Predicted)
ColorWhite to off-white
InChIInChI=1S/C7H7ClN2O2/c1-2-12-7(11)5-3-4-6(8)10-9-5/h3-4H,2H2,1H3
InChIKeyGVSVPKDEHFOXSW-UHFFFAOYSA-N
SMILESC1(C(OCC)=O)=NN=C(Cl)C=C1
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH302-H315-H319-H335
GHS precautionary statementsP261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501
Customs code29339980

Safety & Regulations

GHS classificationWarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesAcute Tox. 4 (100%)
Customs code29339980
Signal wordWarning
GHS pictogramGHS07
GHS hazard statementsH302-H315-H319-H335
GHS precautionary statementsP261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501

Applications & Uses

Uses

Ethyl 6-Chloropyridazine-3-carboxylate is a useful research chemical compound used in the preparation of hetero-substituted pyridazine derivatives using alkylation of chloropyridazinecarboxylate followed by cross-coupling and heterocyclization.