ChemicalBook > CAS DataBase List > Dimethyl oxalate

Dimethyl oxalate

Product Name
Dimethyl oxalate
CAS No.
553-90-2
Chemical Name
Dimethyl oxalate
Synonyms
DMO;METHYL OXALATE;OXALIC ACID DIMETHYL ESTER;Dimethyl ethanedioate;OXALIC ACID METHYL ESTER;209-053-6;CH3OCOCOOCH3;Oxalic acid Me;DIMETHYL OXALATE;AKOS BBS-00004386
CBNumber
CB1429840
Molecular Formula
C4H6O4
Formula Weight
118.09
MOL File
553-90-2.mol
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Dimethyl oxalate Property

Melting point:
50-54 °C (lit.)
Boiling point:
163.5 °C (lit.)
Density 
1.148 g/mL at 25 °C (lit.)
vapor pressure 
3 hPa (20 °C)
refractive index 
n20/D 1.39(lit.)
Flash point:
167 °F
storage temp. 
Store below +30°C.
solubility 
ethanol: soluble50mg/mL, clear to very slightly hazy, colorless
form 
Crystalline Solid
Specific Gravity
1.148
color 
Colorless to white
PH
1 (60g/l, H2O, 20℃)
Water Solubility 
60 G/L (25 ºC)
Merck 
14,6106
BRN 
1071744
Dielectric constant
3.0（20℃）
Stability:
Stable. Combustible. Incompatible with strong oxidizing agents, acids, bases, reducing agents.
InChIKey
LOMVENUNSWAXEN-UHFFFAOYSA-N
LogP
-0.170
CAS DataBase Reference
553-90-2(CAS DataBase Reference)
NIST Chemistry Reference
Ethanedioic acid, dimethyl ester(553-90-2)
EPA Substance Registry System
Ethanedioic acid, dimethyl ester (553-90-2)
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Safety

Hazard Codes 
Xi,Xn
Risk Statements 
36/38-36-22
Safety Statements 
26-36/37-24/25-23
RIDADR 
1759
WGK Germany 
3
RTECS 
RO2850000
Autoignition Temperature
480 °C
TSCA 
Yes
HS Code 
2917 11 00
HazardClass 
6.1(b)
PackingGroup 
III
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H314Causes severe skin burns and eye damage

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
135623
Product name
Dimethyl oxalate
Purity
ReagentPlus , 99%
Packaging
5g
Price
$18.72
Updated
2024/03/01
Sigma-Aldrich
Product number
135623
Product name
Dimethyl oxalate
Purity
ReagentPlus , 99%
Packaging
100g
Price
$48.4
Updated
2024/03/01
Sigma-Aldrich
Product number
8.22115
Product name
Dimethyl oxalate
Purity
for synthesis
Packaging
250g
Price
$35.8
Updated
2022/05/15
Sigma-Aldrich
Product number
8.22115
Product name
Dimethyl oxalate
Purity
for synthesis
Packaging
1kg
Price
$143
Updated
2022/05/15
TCI Chemical
Product number
O0080
Product name
Dimethyl Oxalate
Purity
>99.0%(GC)
Packaging
25g
Price
$20
Updated
2024/03/01
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Dimethyl oxalate Chemical Properties,Usage,Production

Description

Dimethyl oxalate is a chemical compound with formula (CH3)2(COO)2. It is the dimethyl ester of oxalic acid.

General Description

Dimethyl oxalate (DMO), (CH3OCO)2 is an industrial chemical intermediate with versatile properties. DMO is used as a solvent and extraction agent to produce ethylene glycol, ethanol, oxalic acid, oxamide, dyes, and medicines. Besides, dimethyl carbonate (DMC), (CH3O)2CO is attracting lots of interest because of its excellent solubility, biodegradability and low toxicity. DMC could be used as a green solvent, as electrolytes in lithium batteries, as a potential fuel additive and for polycarbonate synthesis[1].

Chemical Properties

colourless crystals

Chemical Properties

The empirical formula of dimethyl oxalate is C4H6O4. It exists as a liquid between its pour point (52°C) and boiling point (163.4°C). It is soluble in ethanol and ether and slightly soluble in water.

Uses

Dimethyl oxalate is used as an alternate fuel in the direct oxidation fuel cell. It is involved in the catalytic hydrogenation using Cu/SiO22ub> to prepare ethylene glycol. It is also used in the selective gas-phase hydrogenation catalyzed by Ag/SiO2 to get the corresponding alcohol.

Definition

ChEBI: Methyl oxalate is a diester, a methyl ester and a member of dicarboxylic acids and O-substituted derivatives. It is functionally related to an oxalic acid.

Synthesis Reference(s)

The Journal of Organic Chemistry, 24, p. 261, 1959 DOI: 10.1021/jo01084a633

General Description

Dimethyl oxalate undergoes Cu/SiO2 catalyzed hydrogenation to yield ethylene glycol. It undergoes selective gas-phase hydrogenation catalyzed by Ag/SiO2 to yield corresponding alcohol.

Purification Methods

Crystallise the ester repeatedly from EtOH. De-gas it under nitrogen at high vacuum and distil it. [Beilstein 2 IV 1847.]

References

[1] Chunzheng Wang. “Emerging Co-Synthesis of Dimethyl Oxalate and Dimethyl Carbonate Using Pd/Silicalite-1 Catalyst with Synergistic Interactions of Pd and Silanols.” SSRN Electronic Journal 71 1 (2023).

Dimethyl oxalate Preparation Products And Raw materials

Raw materials

Oxalic acid Methanol

Preparation Products

DIMETHYL METHOXYMALONATE METHYL 2-CHLORO-6-METHYLPYRIMIDINE-4-CARBOXYLATE Sulfamethoxazole Misoprostol METHYL ACETOPYRUVATE CEFTRIAXONE 2,4-DIOXO-4-THIOPHEN-2-YL-BUTYRIC ACID METHYL ESTER
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Dimethyl oxalate Suppliers

Americas 1 Belgium 3 Canada 1 China 243 Europe 1 France 1 Germany 11 India 17 Japan 11 Poland 1 Slovakia 1 South Korea 1 Sweden 1 Switzerland 2 Thailand 1 Ukraine 1 United Kingdom 14 United States 38 Global 349
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View Lastest Price from Dimethyl oxalate manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
Dimethyl oxalate 553-90-2
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-10-25
Hebei Chuanghai Biotechnology Co,.LTD
Product
Dimethyl Oxalate 553-90-2
Price
US $9.00/ASSAYS
Min. Order
1ASSAYS
Purity
99%
Supply Ability
10000kg
Release date
2024-08-21
Henan Xiangtong Chemical Co., Ltd.
Product
209-053-6 553-90-2
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
100MT
Release date
2019-08-06

553-90-2, Dimethyl oxalateRelated Search:

N,N-Dimethylformamide Methyl vanillate Dimethyl terephthalate Dimethyl ether Diethyl oxalate METHYL THIOPHENE-2-CARBOXYLATE Dimethyl phthalate Dimethyl Glutarate Dimethyl sulfoxide Dimethyl adipate Dimethyl succinate Dimethyl malonate ETHANE DIMETHYL PIMELATE Dimethyl sulfate Dimethyl sulfide Methyl acrylate Thiophanate-methyl

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