CAS 4105-90-2|5-ethoxy-2-(4-nitrophenyl)-4H-pyrazol-3-one

Introduction：Basic information about CAS 4105-90-2|5-ethoxy-2-(4-nitrophenyl)-4H-pyrazol-3-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	5-ethoxy-2-(4-nitrophenyl)-4H-pyrazol-3-one
CAS Number	4105-90-2	Molecular Weight	249.22300
Density	1.41 g/cm3	Boiling Point	390.8ºC at 760 mmHg
Molecular Formula	C₁₁H₁₁N₃O₄	Melting Point	142ºC
MSDS	/	Flash Point	/

Names

Name	5-ethoxy-2-(4-nitrophenyl)-4H-pyrazol-3-one
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.41 g/cm3
Boiling Point	390.8ºC at 760 mmHg
Melting Point	142ºC
Molecular Formula	C₁₁H₁₁N₃O₄
Molecular Weight	249.22300
Exact Mass	249.07500
PSA	87.72000
LogP	1.70530
Index of Refraction	1.63
InChIKey	XWXGLGWXBJDMPT-UHFFFAOYSA-N
SMILES	CCOC1=NN(c2ccc([N+](=O)[O-])cc2)C(=O)C1

Safety Information

Safety Phrases	S24/25
HS Code	2933199090

Customs

HS Code	2933199090
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Synonyms

einecs 223-882-0

MFCD00143123

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