Diethyl methylenemalonate

Modify Date: 2025-08-24 14:35:15

Diethyl methylenemalonate structure	Common Name	Diethyl methylenemalonate
	CAS Number	3377-20-6	Molecular Weight	172.178
	Density	1.1±0.1 g/cm3	Boiling Point	174.4±13.0 °C at 760 mmHg
	Molecular Formula	C₈H₁₂O₄	Melting Point	N/A
	MSDS	N/A	Flash Point	73.0±18.2 °C

Name	diethyl 2-methylidenepropanedioate
Synonym	More Synonyms

Density	1.1±0.1 g/cm3
Boiling Point	174.4±13.0 °C at 760 mmHg
Molecular Formula	C₈H₁₂O₄
Molecular Weight	172.178
Flash Point	73.0±18.2 °C
Exact Mass	172.073563
PSA	52.60000
LogP	1.71
Vapour Pressure	1.2±0.3 mmHg at 25°C
Index of Refraction	1.433

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TY1848000

CHEMICAL NAME :: Propanedioic acid, methylene-, diethyl ester

CAS REGISTRY NUMBER :: 3377-20-6

BEILSTEIN REFERENCE NO. :: 1723773

LAST UPDATED :: 199712

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C8-H12-O4

MOLECULAR WEIGHT :: 172.20

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 6,147,1954

HS Code	2917190090

Precursor 10
CAS#:50-00-0 Formaldehyde CAS#:105-53-3 Diethyl malonate CAS#:141085-35-0 N-methyl-N-meth... CAS#:116279-89-1 diethyl endo-di...
CAS#:150194-66-4 diethyl 2-methy... CAS#:76221-41-5 ethyl 4,4-dieth... CAS#:87-13-8 Diethyl ethoxym... CAS#:53084-38-1 diethyl 2-bromo...
CAS#:40516-46-9 Propanedioic ac... CAS#:996-82-7 sodium 1,3-diet...
DownStream 10
CAS#:30379-04-5 diethyl 2-(meth... CAS#:29805-59-2 (Cyclohexylmeth... CAS#:2698-65-9 diethyl 4-methy... CAS#:609-09-6 Diethyl ketomalonate
CAS#:609-08-5 Ethyl methylmalonate CAS#:108-13-4 Malonamide CAS#:100-97-0 Aminoform CAS#:133-08-4 Diethyl 2-butyl...
CAS#:34762-17-9 diethyl 2-(brom... CAS#:31696-00-1 Diethyl 2-(but-...

HS Code	2917190090
Summary	2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

2-methylene-malonic acid diethyl ester

Diethyl ethylene-1,1-dicarboxylate

Propanedioic acid,2-Methylene-,1,3-diethyl ester

diethylethoxymethylene malonate

Diethyl methylenemalonate

methylidenemalonic acid diethyl ester

Propanedioic acid, 2-methylene-, diethyl ester

diethyl methylidenemalonate

Diethyl 2-methylenemalonate

Methylenemalonic acid diethyl ester

Methylenepropanedioic acid diethyl ester

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Diethyl methylenemalonate
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Diethyl methylenemalonate
Price: ￥288.0/25mg ￥688.0/100mg
Purity: 98.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Propanedioic acid,2-methylene-, 1,3-diethyl ester
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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Diethyl methylenemalonate

Names

Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Precursor & DownStream

Customs

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.