ETHYL 2-(HYDROXYIMINO)-3-OXOBUTANOATE

Modify Date: 2026-07-07 12:37:06

ETHYL 2-(HYDROXYIMINO)-3-OXOBUTANOATE Structure
ETHYL 2-(HYDROXYIMINO)-3-OXOBUTANOATE structure
Common Name ETHYL 2-(HYDROXYIMINO)-3-OXOBUTANOATE
CAS Number 5408-04-8 Molecular Weight 159.14000
Density 1.22g/cm3 Boiling Point 266.1ºC at 760 mmHg
Molecular Formula C6H9NO4 Melting Point 46-48ºC
MSDS N/A Flash Point 114.7ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Ethyl2-(hydroxyimino)-3-oxobutanoate
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.22g/cm3
Boiling Point 266.1ºC at 760 mmHg
Melting Point 46-48ºC
Molecular Formula C6H9NO4
Molecular Weight 159.14000
Flash Point 114.7ºC
Exact Mass 159.05300
PSA 75.96000
Index of Refraction 1.476
InChIKey HVTHITHXCDMTDK-SNAWJCMRSA-N
SMILES CCOC(=O)C(N=O)=C(C)O

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xn
HS Code 2928000090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2928000090
Summary 2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

AURORA KA-158
ethyl 2-(hydroxyimino)-3-butanoate
OXIMINOACETOACETIC ESTER
ETHYL 2-(HYDROXYIMINO)-3-OXOBUTANOATE
ethyl 2-hydroxylimino-3-oxobutanoate
ethyl (Z/E)-2-hydroxyimino-3-oxobutanoate
ethyl (2E)-2-(hydroxyimino)-3-oxobutanoate
Ethyl2-(hydroxyimino)acetoacetate

 ETHYL 2-(HYDROXYIMINO)-3-OXOBUTANOATE | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular weight of Ethyl2-(hydroxyimino)-3-oxobutanoate?
A: Molecular weight of Ethyl2-(hydroxyimino)-3-oxobutanoate is 159.14000.
Q: What is the SMILES notation of Ethyl2-(hydroxyimino)-3-oxobutanoate?
A: SMILES notation of Ethyl2-(hydroxyimino)-3-oxobutanoate is CCOC(=O)C(N=O)=C(C)O.
Q: What are the downstream products of Ethyl2-(hydroxyimino)-3-oxobutanoate?
A: Related downstream products(CAS) of Ethyl2-(hydroxyimino)-3-oxobutanoate: 5434-29-7;54278-10-3;37711-24-3;3885-38-9;515-93-5;37945-37-2;21898-57-7;2199-44-2;2835-81-6;5325-94-0.
Q: What is the molecular formula of Ethyl2-(hydroxyimino)-3-oxobutanoate?
A: Molecular formula of Ethyl2-(hydroxyimino)-3-oxobutanoate is C6H9NO4.
Q: What English synonyms does Ethyl2-(hydroxyimino)-3-oxobutanoate have?
A: English synonyms of Ethyl2-(hydroxyimino)-3-oxobutanoate: AURORA KA-158, ethyl 2-(hydroxyimino)-3-butanoate, OXIMINOACETOACETIC ESTER, ETHYL 2-(HYDROXYIMINO)-3-OXOBUTANOATE, ethyl 2-hydroxylimino-3-oxobutanoate, ethyl (Z/E)-2-hydroxyimino-3-oxobutanoate, ethyl (2E)-2-(hydroxyimino)-3-oxobutanoate, Ethyl2-(hydroxyimino)acetoacetate.
Q: What is the boiling point of Ethyl2-(hydroxyimino)-3-oxobutanoate?
A: Boiling point of Ethyl2-(hydroxyimino)-3-oxobutanoate is 266.1ºC at 760 mmHg.
Q: What is the InChIKey of Ethyl2-(hydroxyimino)-3-oxobutanoate?
A: InChIKey of Ethyl2-(hydroxyimino)-3-oxobutanoate is HVTHITHXCDMTDK-SNAWJCMRSA-N.
Q: What are the upstream materials of Ethyl2-(hydroxyimino)-3-oxobutanoate?
A: Related upstream materials(CAS) of Ethyl2-(hydroxyimino)-3-oxobutanoate: 141-97-9;67764-33-4;998-91-4;570-08-1;64-19-7;624-91-9;110-46-3;10544-73-7;64-17-5;7782-77-6.
Q: What is the English name of Ethyl2-(hydroxyimino)-3-oxobutanoate?
A: The English name of Ethyl2-(hydroxyimino)-3-oxobutanoate is Ethyl2-(hydroxyimino)-3-oxobutanoate.
Q: What is the polar surface area (PSA) of Ethyl2-(hydroxyimino)-3-oxobutanoate?
A: Polar surface area (PSA) of Ethyl2-(hydroxyimino)-3-oxobutanoate is 75.96000.

 ETHYL 2-(HYDROXYIMINO)-3-OXOBUTANOATEfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

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