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135364

Diethyl oxalate

≥99%

Synonym(s):

Diethyl ethanedioate, Ethyl oxalate

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About This Item

Linear Formula:
C2H5OCOCOOC2H5
CAS Number:
95-92-1
Molecular Weight:
146.14
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24848078
EC Number:
202-464-1
Beilstein/REAXYS Number:
606350
MDL number:
MFCD00009119
Assay:
≥99%
Form:
liquid
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vapor density

5.03 (vs air)

Quality Segment

vapor pressure

1 mmHg ( 47 °C)

assay

≥99%

form

liquid

refractive index

n20/D 1.410 (lit.)

bp

185 °C (lit.)

mp

−41 °C (lit.)

solubility

alcohol: miscible, diethyl ether: miscible, organic solvents: miscible, water: partially soluble

density

1.076 g/mL at 25 °C (lit.)

functional group

ester

SMILES string

CCOC(=O)C(=O)OCC

InChI

1S/C6H10O4/c1-3-9-5(7)6(8)10-4-2/h3-4H2,1-2H3

InChI key

WYACBZDAHNBPPB-UHFFFAOYSA-N

General description

Diethyl oxalate undergoes transesterification with phenol in the liquid phase over very efficient MoO3/TiO2 solid-acid sol-gel catalysts to form diphenyl oxalate. It undergoes Claisen condensation with active methylene group of ketosteroids to form glyoxalyl derivatives. It undergoes hydrogenation in the presence of high copper contented mesoporous Cu/SBA-15 catalysts to yield ethylene glycol.

Application

Diethyl oxalate was used in microemulsion synthesis of ZnO nanoparticles. It was also used in the synthesis of sym-1,4-diphenyl-1,4-dihydro-1,2,4,5-polytetrazine.

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Signal Word

Danger

Hazard Codes

H302,H314,H373

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - STOT RE 2 Oral

Target Organs

Kidney

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point (°F)

167.0 °F - closed cup

Flash Point (°C)

75 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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