Dimethyl oxalate

Modify Date: 2025-08-20 11:10:03

Dimethyl oxalate Structure
Dimethyl oxalate structure
 Common Name Dimethyl oxalate
CAS Number 553-90-2 Molecular Weight 118.088
Density 1.2±0.1 g/cm3 Boiling Point 163.5±0.0 °C at 760 mmHg
Molecular Formula C4H6O4 Melting Point 50-54 °C(lit.)
MSDS Chinese USA Flash Point 75.0±0.0 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name Dimethyl oxalate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 163.5±0.0 °C at 760 mmHg
Melting Point 50-54 °C(lit.)
Molecular Formula C4H6O4
Molecular Weight 118.088
Flash Point 75.0±0.0 °C
Exact Mass 118.026611
PSA 52.60000
LogP -0.34
Vapour Pressure 2.1±0.3 mmHg at 25°C
Index of Refraction 1.391
InChIKey LOMVENUNSWAXEN-UHFFFAOYSA-N
SMILES COC(=O)C(=O)OC
Stability Stable. Combustible. Incompatible with strong oxidizing agents, acids, bases, reducing agents.
Water Solubility 60 G/L (25 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RO2850000
CHEMICAL NAME :
Oxalic acid, dimethyl ester
CAS REGISTRY NUMBER :
553-90-2
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C4-H6-O4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,15,1953

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R36/38
Safety Phrases S26-S36/37-S24/25
RIDADR 1759
WGK Germany 3
RTECS RO2850000
Packaging Group III
Hazard Class 6.1(b)
HS Code 2917119000

 Synthetic Route

 Customs

HS Code 2917119000
Summary 2917119000 oxalic acid salts and esters VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 Articles4

More Articles
High activity and selectivity of Ag/SiO2 catalyst for hydrogenation of dimethyl oxalate.

Chem. Commun. (Camb.) 46(24) , 4348-50, (2010)

Ag/SiO(2) prepared by a sol-gel process is highly effective for selective gas-phase hydrogenation of dimethyl oxalate to corresponding alcohols. The catalysts are of great potential as industrially vi...

Solvent feedstock effect: the insights into the deactivation mechanism of Cu/SiO2 catalysts for hydrogenation of dimethyl oxalate to ethylene glycol.

Chem. Commun. (Camb.) 49(45) , 5195-7, (2013)

The variation of the supports on the Cu/SiO2 catalyst plays an important role in the catalytic performance for hydrogenation of dimethyl oxalate. The loss of silica in the form of tetramethoxysilane f...

A1h NMR Pulse Gradient Spin-Echo (PGSE) Mass Transport Study of Dimethyl Oxalate and Ethylene Glycol: New Fuels for the DOFC. Suarez-Gustave S, et al.

Electrochem. Solid-State Let. 12(3) , 525-528, (2000)

 Synonyms

dimetyl oxalate
methyl ethanedioate
Oxalicdimethylester
oxalic acid dimethyl ester
CH3OCOCOOCH3
DMO
Ethanedioic acid, dimethyl ester
EINECS 209-053-6
Dimethyloxalate
dimethyl ethanedioate
METHYL OXALATE
oxalic acid diester
UNII-IQ3Q79344S
dimethyl oxolate
MFCD00008442
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Chemsrc provides Dimethyl oxalate(CAS#:553-90-2) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Dimethyl oxalate are included as well.>> amp version: Dimethyl oxalate

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