Basic information
- CAS
1071-46-1- Standard SMILES
CCOC(=O)CC(=O)O- InChIKey
HGINADPHJQTSKN-UHFFFAOYSA-N- Molecular formula
- C5H8O4
- Average molar mass
- 132.11 g/mol
- Monoisotopic mass
- 132.04225873
Names & identifiers
- Preferred name
- Monoethyl malonate
- IUPAC
- 3-ethoxy-3-oxopropanoic acid
- English name
- Ethyl hydrogen malonate
- Molecular formula
- C5H8O4
- Molecular weight
- 132.11
Names & synonyms
Show more names
Database identifiers
- CAS
1071-46-1- PubChem CID
- 70615
- DTXSID
DTXSID10147915- ChEBI
CHEBI:193957- UNII
- E7Y7DZ2K8W
- EC Number
- 213-992-7
- Nikkaji
- J21.761A
Properties
Computed structural properties
- XLogP
- 0.3
- Topological polar surface area
- 63.6 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 4
- Rotatable bonds
- 4
- Heavy atoms
- 9
- Formal charge
- 0
- Complexity
- 118
Experimental & physicochemical properties
Physicochemical properties
- Melting point
- -13 °C · -13°C(lit.)
- Boiling point
- 106.5 °C/3 · 106.5 °C/3 mmHg (lit.)
- Density
- 1.119 g/mL · 1.119 g/mL at 25 °C (lit.)
- refractive index
- 20 · n20/D 1.435(lit.)
- Flash point
- 230 °F · >230 °F
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- Chloroform (Sparingly)
- pka
- 1 · pK1:3.55 (25°C)
- form
- Liquid
- color
- Pale yellow
- Water Solubility
- Miscible with water, chloroform and other solvents.
- BRN
- 1758845 · 1758845
- InChI
- InChI=1S/C5H8O4/c1-2-9-5(8)3-4(6)7/h2-3H2,1H3,(H,6,7)
- InChIKey
- HGINADPHJQTSKN-UHFFFAOYSA-N
- SMILES
- C(OCC)(=O)CC(O)=O
- CAS DataBase Reference
- 1071 · 1071-46-1(CAS DataBase Reference)
- UNSPSC Code
- 12352100 · 12352100
- NACRES
- 22 · NA.22
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 315 · H315-H319-H335
- Precautionary statements
- 261 · P261-P264-P271-P280-P302+P352-P305+P351+P338
- target organs
- Respiratory system
- PPE
- Eyeshields, Gloves, type ABEK (EN14387) respirator filter
- Hazard Codes
- Xi
- Risk Statements
- 36 · 36/37/38
- Safety Statements
- 26 · 26-36
- WGK Germany
- 3 · 3
- HS Code
- 29171900 · 29171900
- Storage Class
- 10 · 10 - Combustible liquids
- Hazard Classifications
- 2 Skin · Eye Irrit. 2Skin Irrit. 2STOT SE 3
- REACH Registrations
- Active
Safety & regulation
GHS classification
GHS Classification
Warning
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation];H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation];H335 (98%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 49 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.;Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard information
Regulatory information
Safety data
- PPE
- Eyeshields, Gloves, type ABEK (EN14387) respirator filter
- wgk
- 3
- hs_code
- 29171900
- risk_code
- 36/37/38
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- hazard_code
- Xi
- safety_code
- 26-36
- Storage Class
- 10 - Combustible liquids
- target organs
- Respiratory system
- Hazard statements
- H315-H319-H335
- REACH Registrations
- Active
- Hazard Classifications
- Eye Irrit. 2Skin Irrit. 2STOT SE 3
- Precautionary statements
- P261-P264-P271-P280-P302+P352-P305+P351+P338
Chemistry & industry
Pharmacology
Applications
UsesEthyl hydrogen malonate is used as a reactant for the preparation of tetramic acids through Dieckmann ring closure and organocatalytic decarboxylative Doebner-Knoevenagel reactions. It is involved in the acylation reactions and Knoevenagel condensation with aldehydes. It is also used in the preparation of gamma-lactones from olefins by intermolecular carbolactonization in presence of Mn(III) acetate as a catalyst.
UsesEthyl Hydrogen Malonate has been shown to impair brain mitochondrial succinate and malate transport. It is also found in the extract of Hericum erinaceus mushroom which shows antitumor effects in tumo r-bearing mice.
Upstream & downstream products
Downstream products
Suppliers100 total
Additional notes
DefinitionChEBI: Monoethyl malonic acid is a dicarboxylic acid.
Related reactions
Compound notes
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