Methyl malonyl chloride

Modify Date: 2026-07-28 11:46:41

Methyl malonyl chloride Structure
Methyl malonyl chloride structure
Common Name Methyl malonyl chloride
CAS Number 20656-61-5 Molecular Weight 154.979
Density 1.4±0.1 g/cm3 Boiling Point 161.0±23.0 °C at 760 mmHg
Molecular Formula C4H4Cl2O2 Melting Point N/A
MSDS N/A Flash Point 51.4±21.2 °C

 Names

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

Name methyl 2-chloro-3-oxopropanoate
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 1.4±0.1 g/cm3
Boiling Point 161.0±23.0 °C at 760 mmHg
Molecular Formula C4H4Cl2O2
Molecular Weight 154.979
Flash Point 51.4±21.2 °C
Exact Mass 153.958832
PSA 34.14000
LogP 1.18
Vapour Pressure 2.3±0.3 mmHg at 25°C
Index of Refraction 1.454
InChIKey LXSUVYGZODASAI-UHFFFAOYSA-N
SMILES COC(=O)C(Cl)C=O

 Safety Information

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

HS Code 2918300090

 Synthetic Route

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

~70%

Methyl malonyl chloride Structure

Methyl malonyl ...

CAS#:20656-61-5

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Literature: Gangjee; Vidwans; Elzein; McGuire; Queener; Kisliuk Journal of Medicinal Chemistry, 2001 , vol. 44, # 12 p. 1993 - 2003

 Customs

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

HS Code 2918300090
Summary 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 Synonyms

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

Methyl 2-Chloro-2-formylacetate
methyl formylchlroacetate
Methylmalonoyl dichloride
methyl chloro(formyl)acetate
Methyl malonyl chloride
methyl 2-chloro-3-oxopropionate
2-chloro-3-oxo-propionic acid methyl ester
2-chloro-3-methoxy-3-oxopropanal
methyl formylchloroacetate
Propanoic acid,2-chloro-3-oxo-,methyl ester

 Methyl malonyl chloride | FAQ

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

Q: What is the InChIKey of methyl 2-chloro-3-oxopropanoate?
A: InChIKey of methyl 2-chloro-3-oxopropanoate is LXSUVYGZODASAI-UHFFFAOYSA-N.
Q: What is the polar surface area (PSA) of methyl 2-chloro-3-oxopropanoate?
A: Polar surface area (PSA) of methyl 2-chloro-3-oxopropanoate is 34.14000.
Q: What is the molecular weight of methyl 2-chloro-3-oxopropanoate?
A: Molecular weight of methyl 2-chloro-3-oxopropanoate is 154.979.
Q: What English synonyms does methyl 2-chloro-3-oxopropanoate have?
A: English synonyms of methyl 2-chloro-3-oxopropanoate: Methyl 2-Chloro-2-formylacetate, methyl formylchlroacetate, Methylmalonoyl dichloride, methyl chloro(formyl)acetate, Methyl malonyl chloride, methyl 2-chloro-3-oxopropionate, 2-chloro-3-oxo-propionic acid methyl ester, 2-chloro-3-methoxy-3-oxopropanal, methyl formylchloroacetate, Propanoic acid,2-chloro-3-oxo-,methyl ester.
Q: What is the LogP of methyl 2-chloro-3-oxopropanoate?
A: LogP of methyl 2-chloro-3-oxopropanoate is 1.18.
Q: What is the English name of methyl 2-chloro-3-oxopropanoate?
A: The English name of methyl 2-chloro-3-oxopropanoate is methyl 2-chloro-3-oxopropanoate.
Q: What is the molecular formula of methyl 2-chloro-3-oxopropanoate?
A: Molecular formula of methyl 2-chloro-3-oxopropanoate is C4H4Cl2O2.
Q: What is the boiling point of methyl 2-chloro-3-oxopropanoate?
A: Boiling point of methyl 2-chloro-3-oxopropanoate is 161.0±23.0 °C at 760 mmHg.
Q: What is the CAS number of methyl 2-chloro-3-oxopropanoate?
A: CAS number of methyl 2-chloro-3-oxopropanoate is 20656-61-5.
Q: What is the SMILES notation of methyl 2-chloro-3-oxopropanoate?
A: SMILES notation of methyl 2-chloro-3-oxopropanoate is COC(=O)C(Cl)C=O.

 Methyl malonyl chloridefactory

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

Shanghai Nianxing Industrial Co., Ltd
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