Ethoxymethylenemalononitrile

Modify Date: 2025-08-30 15:43:33

Ethoxymethylenemalononitrile Structure
Ethoxymethylenemalononitrile structure
 Common Name Ethoxymethylenemalononitrile
CAS Number 123-06-8 Molecular Weight 122.125
Density 1.1±0.1 g/cm3 Boiling Point 296.1±0.0 °C at 760 mmHg
Molecular Formula C6H6N2O Melting Point 64-66 °C(lit.)
MSDS Chinese USA Flash Point 135.1±15.2 °C
Symbol GHS07 GHS08
GHS07, GHS08		 Signal Word Danger

 Names

Name Ethoxymethylenemalononitrile
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 296.1±0.0 °C at 760 mmHg
Melting Point 64-66 °C(lit.)
Molecular Formula C6H6N2O
Molecular Weight 122.125
Flash Point 135.1±15.2 °C
Exact Mass 122.048012
PSA 56.81000
LogP 0.31
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.461
Storage condition 2~8℃
Water Solubility insoluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
OO3850000
CHEMICAL NAME :
Malononitrile, (ethoxymethylene)-
CAS REGISTRY NUMBER :
123-06-8
BEILSTEIN REFERENCE NO. :
1634241
LAST UPDATED :
199710
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C6-H6-N2-O
MOLECULAR WEIGHT :
122.14
WISWESSER LINE NOTATION :
NCYCN&1O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
50 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

 Safety Information

Symbol GHS07 GHS08
GHS07, GHS08
Signal Word Danger
Hazard Statements H302-H317-H334
Precautionary Statements P261-P280-P342 + P311
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes T:Toxic;Xn:Harmful;
Risk Phrases R22;R23/24/25;R42/43
Safety Phrases S22-S36/37-S45-S36/37/39-S26
RIDADR 3439
WGK Germany 3
RTECS OO3850000
Packaging Group III
Hazard Class 6.1
HS Code 2926909090

 Synthetic Route

Triethyl orthoformate structure

Triethyl orthof...

CAS#:122-51-0

Malononitrile structure

Malononitrile

CAS#:109-77-3

~95%

Ethoxymethylenemalononitrile Structure

Ethoxymethylene...

CAS#:123-06-8

Literature: WO2014/2109 A1, ; Page/Page column 96 ;
Malononitrile structure

Malononitrile

CAS#:109-77-3

~%

Ethoxymethylenemalononitrile Structure

Ethoxymethylene...

CAS#:123-06-8

Literature: Journal of the American Chemical Society, , vol. 74, p. 4889 US2824121 , ;
(1SR,3SR)-spiro[(2,2-dicyano-3-ethoxy)cyclobutan-1,3'-(1'-acetyl)-2'-oxoindoline] structure

(1SR,3SR)-spiro...

CAS#:79343-66-1

Ethoxyethene structure

Ethoxyethene

CAS#:109-92-2

~51%

2-ethoxy-9-acetyl-2,3-dihydropyran[2,3-b]indole structure

2-ethoxy-9-acet...

CAS#:79343-70-7

Ethoxymethylenemalononitrile Structure

Ethoxymethylene...

CAS#:123-06-8

Literature: Tetrahedron, , vol. 37, p. 1779 - 1785
1-(2',3',4',5'-Tetra-O-acetyl-β-D-glucopyranosyl)urea structure

1-(2',3',4',5'-...

CAS#:14059-86-0

Triethyl orthoformate structure

Triethyl orthof...

CAS#:122-51-0

Malononitrile structure

Malononitrile

CAS#:109-77-3

~0%

N/A structure

N/A

CAS#:91303-01-4

Detail
Literature: Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 20, # 4 p. 443 - 447 Khimiya Geterotsiklicheskikh Soedinenii, , vol. 20, # 4 p. 543 - 547
1-(2',3',4',5'-Tetra-O-acetyl-β-D-glucopyranosyl)urea structure

1-(2',3',4',5'-...

CAS#:14241-65-7

Triethyl orthoformate structure

Triethyl orthof...

CAS#:122-51-0

Malononitrile structure

Malononitrile

CAS#:109-77-3

~0%

N/A structure

N/A

CAS#:91303-00-3

Detail
Literature: Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 20, # 4 p. 443 - 447 Khimiya Geterotsiklicheskikh Soedinenii, , vol. 20, # 4 p. 543 - 547
Ethyl iodide structure

Ethyl iodide

CAS#:75-03-6

~%

Ethoxymethylenemalononitrile Structure

Ethoxymethylene...

CAS#:123-06-8

Literature: US2375185 , ;
1-(2',3',4',5'-Tetra-O-acetyl-β-D-glucopyranosyl)urea structure

1-(2',3',4',5'-...

CAS#:14059-86-0

Triethyl orthoformate structure

Triethyl orthof...

CAS#:122-51-0

Malononitrile structure

Malononitrile

CAS#:109-77-3

~0%

N/A structure

N/A

CAS#:91302-99-7

Detail
Literature: Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 20, # 4 p. 443 - 447 Khimiya Geterotsiklicheskikh Soedinenii, , vol. 20, # 4 p. 543 - 547
2-(1-acetyl-2-oxoindol-3-ylidene)propanedinitrile structure

2-(1-acetyl-2-o...

CAS#:79343-59-2

Ethoxyethene structure

Ethoxyethene

CAS#:109-92-2

~%

2-ethoxy-9-acetyl-2,3-dihydropyran[2,3-b]indole structure

2-ethoxy-9-acet...

CAS#:79343-70-7

2-ethoxy-4,4-dicyano-9-acetyl-2,3-dihydropyran[2,3-b]indole structure

2-ethoxy-4,4-di...

CAS#:79343-71-8

Detail
Literature: Tetrahedron, , vol. 37, p. 1779 - 1785
Ethanoic anhydride structure

Ethanoic anhydride

CAS#:108-24-7

Triethyl orthoformate structure

Triethyl orthof...

CAS#:122-51-0

Malononitrile structure

Malononitrile

CAS#:109-77-3

~%

Ethoxymethylenemalononitrile Structure

Ethoxymethylene...

CAS#:123-06-8

Literature: Gazzetta Chimica Italiana, , vol. 43 II, p. 566 Chemische Berichte, , vol. 55, p. 3441

 Customs

HS Code 2926909090
Summary HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 Synonyms

α-Cyano-β-ethoxyacrylonitrile
Propanedinitrile, 2-(ethoxymethylene)-
MFCD00001854
2-(ethoxymethylidene)propanedinitrile
ethoxymethylenemalononitrile
EINECS 204-597-0
(Ethoxymethylene)-propanedinitrile
(Ethoxymethylene)malononitrile
2-(ethoxymethylene)malononitrile
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