Dimethyl malonate
Synonym(s):Dimethyl malonate;Malonic acid dimethyl ester
- CAS NO.:108-59-8
- Empirical Formula: C5H8O4
- Molecular Weight: 132.11
- MDL number: MFCD00008460
- EINECS: 203-597-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-05-15 13:17:26
What is Dimethyl malonate?
Description
Dimethyl malonate is a diester derivative of malonic acid. It is a common reagent for organic synthesis used, for example, as a precursor for barbituric acid. It is also used in the malonic ester synthesis. It can be synthesized from dimethoxymethane and carbon monoxide.
Chemical properties
liquid
Chemical properties
Dimethyl malonate is soluble in alcohol and ether and very slightly soluble in water. It may slowly decompose.
The Uses of Dimethyl malonate
Dimethyl malonate is a reagent used in organic synthesis. It acts as a precursor for the synthesis of mono-substituted and di-substituted acetic acid, barbiturates, vitamin B1 and vitamin B6. It is used in the pharmaceutical industry to prepare pharmaceuticals like chloroquine and butazolidin. It is involved in the synthesis of diastereomeric pure thienylpyridines by reacting with 1,3-diphenylprop-2-enyl acetate.
The Uses of Dimethyl malonate
It is used in fragrances and some artificial flavorings .
What are the applications of Application
Dimethyl malonate is a diester derivative of Malonic Acid
Production Methods
Dimethyl malonate is produced via direct esterification of methanol with malonic acid under azeotropic conditions.
What are the applications of Application
Dimethyl malonate undergoes enantioselective palladium-catalyzed allylic substitution reaction with 1,3-diphenylprop-2-enyl acetate to yield diastereomeric pure thienylpyridines.
Dimethyl malonate was used in gold catalyzed oxidative esterification of glycerol, 1,2-propanediol and 1,3-propanediol.
General Description
Dimethyl malonate undergoes enantioselective palladium-catalyzed allylic substitution reaction with 1,3-diphenylprop-2-enyl acetate to yield diastereomeric pure thienylpyridines.
Properties of Dimethyl malonate
Melting point: | -62 °C (lit.) |
Boiling point: | 180-181 °C (lit.) |
Density | 1.156 g/mL at 25 °C (lit.) |
vapor density | >1 (vs air) |
vapor pressure | 0.15 hPa (20 °C) |
refractive index | n |
Flash point: | 194 °F |
storage temp. | Store below +30°C. |
solubility | alcohol: miscible |
form | Liquid |
pka | 11.80±0.46(Predicted) |
color | Clear colorless |
Odor | fruity |
explosive limit | 1.3-17.4%(V) |
Water Solubility | negligible |
Merck | 14,6096 |
BRN | 774261 |
Dielectric constant | 10.4(20℃) |
Stability: | Stable. Incompatible with strong oxidizing agents. Flammable. |
CAS DataBase Reference | 108-59-8(CAS DataBase Reference) |
NIST Chemistry Reference | Propanedioic acid, dimethyl ester(108-59-8) |
EPA Substance Registry System | Dimethyl malonate (108-59-8) |
Safety information for Dimethyl malonate
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for Dimethyl malonate
InChIKey | BEPAFCGSDWSTEL-UHFFFAOYSA-N |
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