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Methyl cyanoacetate

HCID 7747
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
105-34-0
Standard SMILES
COC(=O)CC#N
InChIKey
ANGDWNBGPBMQHW-UHFFFAOYSA-N
Molecular formula
C4H5NO2
Average molar mass
99.09 g/mol
Monoisotopic mass
99.0320284

Overview

Methyl cyanoacetate is an alkyl cyanoacetate ester.

Names & identifiers

Preferred name
Methyl cyanoacetate
IUPAC
methyl 2-cyanoacetate
English name
Methyl cyanoacetate
Molecular formula
C4H5NO2
Molecular weight
99.09

Names & synonyms

METHYL CYANOACETATEMethyl 2-cyanoacetate105-34-0Cyanoacetic acid methyl esterMethyl cyanoethanoateAcetic acid, cyano-, methyl esterUSAF KF-22Malonic methyl ester nitrileMethylester kyseliny kyanoctoveDTXSID80336493-Methoxy-3-oxopropanenitrileAcetic acid, 2-cyano-, methyl ester
Show more names
2-cyanopropanoateMCYAusafkf-2225KG,100KG,1TMethylcyanacetatMethyl Cyanoacetat
NSC 3113EINECS 203-288-8UNII-A28RI36V30Methylester kyseliny kyanoctove [Czech]BRN 07739452-cyanoacetic acid, methyl esterAI3-05599A28RI36V30

Database identifiers

CAS
105-34-0
PubChem CID
7747
DTXSID
DTXSID8033649
ChEMBL
CHEMBL1532013
ChEBI
CHEBI:51928
UNII
A28RI36V30
EC Number
203-288-8
Nikkaji
J4.029K

Properties

Computed structural propertiesFilling in

XLogP
-0.5
Topological polar surface area
50.1 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
3
Rotatable bonds
2
Heavy atoms
7
Formal charge
0
Complexity
110

Experimental & physicochemical properties

Chemical ClassesNitrogen Compounds -> Nitriles
SpringerMaterials PropertiesMoessbauer quadrupole effect
Vapor Pressure0.13 [mmHg]
Physical DescriptionColorless liquid with a mild odor; [Alfa Aesar MSDS]

Physicochemical properties

Melting point
13 °C · −13 °C (lit.)
Boiling point
205 °C · 205 °C
Density
1.13 · 1.13
vapor density
3.41 · 3.41 (vs air)
vapor pressure
0.2 mm · 0.2 mm Hg ( 20 °C)
refractive index
1.42 · 1.42
Flash point
105 °C · 105 °C
storage temp.
Sealed in dry,Room Temperature

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 5 items

This chemical does not meet GHS hazard criteria for 19% (52 of 273) of reports.

Warning

H319 (81%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

P264+P265, P280, P305+P351+P338, and P337+P317 (click each P-code to see the statement)

Aggregated GHS information provided per 273 reports by companies from 8 notifications to the ECHA C&L Inventory.

Hazard information

Regulatory Information · 3 items

Chemical: Acetic acid, cyano-, methyl ester

Status: Active Update: 05-11-2014 https://echa.europa.eu/registration-dossier/-/registered-dossier/5657

Acetic acid, cyano-, methyl ester: Does not have an individual approval but may be used under an appropriate group standard

Hazards SummaryA strong eye irritant; [Alfa Aesar MSDS] See Ethyl cyanoacetate.
Hazard Classes and CategoriesEye Irrit. 2 (81%)

Toxicology

Adverse EffectsOther Poison - Chemical Asphyxiant

Safety data

PPE
Eyeshields, Gloves
wgk
1
tsca
TSCA listed
rtecs
AG4375000
hs_code
29269095
Toxicity
guinea pig,LDLo,skin,400mg/kg (400mg/kg),"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 920, 1986.

Chemistry & industry

Uses & manufacturing

UsesUsed to make large scale and fine chemicals, pharmaceuticals, plastic products, and computer-electronic-optical equipment; [ExPub: ECHA REACH Registrations]
General Manufacturing InformationAcetic acid, 2-cyano-, methyl ester: ACTIVE
Applications · 4 items

DescriptionMethyl cyanoacetate is the intermediate product in pharmaceutical organic synthesis as well as in the synthesis of some biologically active compounds used in agriculture. It may be used in the synthesis of various 1,2,5-tricarbonyl compounds. It is often used as a nucleophile in the electrochemical oxidation of catechols. Methyl Cyanoacetate is also a reagent in the synthesis of Methyl 2-Amino-4-trifluoromethylthiophene-3-carboxylate; a compound used in the synthesis of DPP-IV inhibitors for treating type-2 diabetes. In addition, it is an intermediate in the preparation of α-cyanoacrylate, malononitrile, and 1,1-cyclohexanediacetic acid dyes. It is used as UV absorber or stabilizer, intermediate for pharmaceuticals. It may be used in the synthesis of various 1,2,5-tricarbonyl compounds.

Usespharmaceutical intermediate

UsesMethyl cyanoacetate is an intermediate in the preparation of α-cyanoacrylate, malononitrile, 1,1-cyclohexanediacetic acid dye. It is used as UV absorber or stabiliser, intermediate for pharmaceuticals. It may be used in the synthesis of various 1,2,5-tricarbonyl compounds.

General DescriptionMethyl cyanoacetate is the intermediate product in pharmaceutical organic synthesis as well as in the synthesis of some biologically active compounds used in agriculture. It undergoes calcite or fluorite catalyzed Knvenagel condensation with aromatic aldehydes, giving the corresponding arylidenemalononitriles and (E)-α-cyanocinnamic esters.

Upstream & downstream products

Upstream raw materials

Sodium cyanide

Related reactions

309 records
New reaction record
HRID 5488 reaction equation
HRID 5488As reactantuspto-grants-1993_09
HRID 22930 reaction equation
HRID 22930As reactantuspto-grants-2005_02
HRID 27664 reaction equation
HRID 27664As reactantuspto-grants-1980_09
HRID 46572 reaction equation
HRID 46572As reactantuspto-grants-1979_11
HRID 49407 reaction equation
HRID 49407As reactantuspto-grants-2004_03
HRID 50846 reaction equation
HRID 50846As reactantuspto-grants-2004_03
HRID 51067 reaction equation
HRID 51067As reactantuspto-grants-2004_03
HRID 73338 reaction equation
HRID 73338As reactantuspto-grants-2014_09
Page 1 of 39

Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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solubility
54 g/l · 54g/l
pka
2.75 · 2.75±0.10(Predicted)
form
clear liquid
color
Colorless to Almost colorless
Water Solubility
54 g/L · 54 g/L (20 ºC)
Sensitive
Light Sensitive
BRN
773945 · 773945
Henry's Law Constant
3.5 · 3.5×101 mol/(m3Pa) at 25℃, Ebert et al. (2023)
Dielectric constant
29.4 · 29.4(21℃)
InChI
1S/C4H5NO2/c1-7-4(6)2-3-5/h2H2,1H3
InChIKey
ANGDWNBGPBMQHW-UHFFFAOYSA-N
SMILES
COC(=O)CC#N
LogP
-0.47 at · -0.47 at 25℃
CAS DataBase Reference
105 · 105-34-0(CAS DataBase Reference)
FDA UNII
28 RI36V30 · A28RI36V30
NIST Chemistry Reference
Acetic acid, cyano-, methyl ester(105-34-0)
EPA Substance Registry System
Acetic acid, cyano-, methyl ester (105-34-0)
UNSPSC Code
12352100 · 12352100
NACRES
22 · NA.22
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
319 · H319
Precautionary statements
264 · P264-P280-P305+P351+P338-P337+P313
PPE
Eyeshields, Gloves
Hazard Codes
Xi
Safety Statements
24 · 24/25
WGK Germany
1 · 1
RTECS
4375000 · AG4375000
Hazard Note
Irritant
TSCA
TSCA listed
HS Code
29269095 · 29269095
Storage Class
10 · 10 - Combustible liquids
Hazard Classifications
2 · Eye Irrit. 2
Toxicity
400 mg/kg · guinea pig,LDLo,skin,400mg/kg (400mg/kg),"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 920, 1986.
REACH Registrations
Active
Signal word
Warning
Symbol(GHS)
GHS07
hazard_code
Xi
hazard_note
Irritant
safety_code
24/25
Storage Class
10 - Combustible liquids
Hazard statements
H319
REACH Registrations
Active
Hazard Classifications
Eye Irrit. 2
Precautionary statements
P264-P280-P305+P351+P338-P337+P313
Ethyl cyanoacetate
Methyl chloroacetate
Methanol
Cyanoacetic acid

Downstream products

2,4-Diamino-6-hydroxypyrimidineMethyl 2-aminothiophene-3-carboxylateMethyl 2-amino-4-phenylthiophene-3-carboxylate2-Amino-5-phenyl-thiophene-3-carboxylic acid methyl esterBuspirone2-Amino-4-ethyl-5-methyl-thiophene-3-carboxylic acid methyl ester5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid dimethyl esterMethyl 5-aminoisoxazole-4-carboxylateMethyl 2-cyano-2-propylpentanoate4-Amino-6-chloropyrimidineSolvent Red 196Cyanoacrylic acid methyl esterBASIC YELLOW 402-Amino-5-ethyl-thiophene-3-carboxylic acid methyl ester2,2-Dibromo-2-cyanoacetamideMinoxidilMethyl 2-chloronicotinate2-CyanoacetamideN-Butyl-3-cyano-6-hydroxy-4-methyl-2-pyridonemethyl 2-cyano-3-ethoxyacrylate4-Chloro-2,6-diaminopyrimidine2-Amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylic acid methyl ester

Additional notes

DefinitionChEBI: Methyl cyanoacetate is an alkyl cyanoacetate ester.