Dimethyloxalat

Dimethyl oxalate

HCID 11120CAS 553-90-2
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Grundinformationen

Standard-SMILES
COC(=O)C(=O)OC
InChIKey
LOMVENUNSWAXEN-UHFFFAOYSA-N
Summenformel
C4H6O4
Durchschnittliche Molmasse
118,09 g/mol
Monoisotopische Masse
118,02660867

Überblick

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

Namen und Bezeichner

Bevorzugter Name
Dimethyl oxalate
IUPAC
dimethyl oxalate
Lokaler Name
Dimethyloxalat
Englischer Name
Dimethyl oxalate
Summenformel
C4H6O4
Molmasse
118.09

Namen und Synonyme

Dimethyl oxalate553-90-2METHYL OXALATEOxalic acid dimethyl esterEthanedioic acid, dimethyl esterDimethyloxalateOxalic acid, dimethyl esterdimethyl ethanedioateMFCD00008442IQ3Q79344SNSC-9374Ethanedioic acid, 1,2-dimethyl ester
Weitere Namen anzeigen
DMOOXALIC ACID METHYL ESTERDimethyl ester of oxalic acid209-053-6CH3OCOCOOCH3Oxalic acid Me
dimethyl ethane-1,2-dioateNSC 9374EINECS 209-053-6UNII-IQ3Q79344SAI3-21214SCHEMBL8295METHYL OXALATE [MI]CHEBI:6859

Datenbank-Bezeichner

CAS
553-90-2
PubChem CID
11120
DTXSID
DTXSID9060287
ChEBI
CHEBI:6859
UNII
IQ3Q79344S
EC Number
209-053-6
Nikkaji
J2.653K

Eigenschaften

Berechnete Struktureigenschaften

XLogP
-0,2
Polarare Oberfläche (TPSA)
52,6 Ų
H-Brücken-Donoren
0
H-Brücken-Akzeptoren
4
Frei drehbare Bindungen
3
Schwere Atome
8

Experimentelle und physikochemische Eigenschaften

Chemical ClassesOther Classes -> Esters, Other
CosmeticsChelating
SpringerMaterials PropertiesBoiling point
LogP-0.17
Density1.148 @25 °C
Boiling Point163.5 °C @760 [mm Hg]

Physikochemische Eigenschaften

Schmelzpunkt
50 · 50-54 °C (lit.)
Siedepunkt
163.5 °C · 163.5 °C (lit.)
Dichte
1.148 g/mL · 1.148 g/mL at 25 °C (lit.)
Dampfdruck
3 hPa · 3 hPa (20 °C)
Brechungsindex
20 · n20/D 1.39(lit.)
Flammpunkt
167 °F · 167 °F

Sicherheit und Regulatorisches

GHS-Klassifizierung

GHS Classification · 6 Einträge

This chemical does not meet GHS hazard criteria for 0.5% (1 of 191) of reports.

Danger

H302 (69.6%): Harmful if swallowed [Warning Acute toxicity, oral]

P260, P264, P264+P265, P270, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P321, P330, P332+P317, P337+P317, P362+P364, P363, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 191 reports by companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Danger

Gefahrenhinweise

Regulatory Information · 4 Einträge

Chemical: Ethanedioic acid, dimethyl ester

Ethanedioic acid, 1,2-dimethyl ester is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Ethanedioic acid, 1,2-dimethyl ester are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 19-11-2020 https://echa.europa.eu/registration-dossier/-/registered-dossier/25766

Ethanedioic acid, dimethyl ester: Does not have an individual approval but may be used under an appropriate group standard

Other Safety InformationIMAP assessments - Ethanedioic acid, dimethyl ester: Environment tier I assessment
Hazards SummaryA corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; [MSDSonline]
Hazard Classes and Categories · 2 Einträge

Acute Tox. 4 (69.6%)

Acute toxicity - category 4

Sicherheit und Schutzausrüstung

Protective Action Criteria (PAC) · 3 Einträge

4.7 [mg/m3]

52 [mg/m3]

310 [mg/m3]

Toxikologische Informationen

Adverse EffectsDermatotoxin - Skin burns.

Sicherheitsdaten

wgk
3
tsca
TSCA listed
ridadr
1759
hs_code
2917 11 00
RTECS-Nr.
RO2850000
risk_code
36/38-36-22

Chemie und Industrie

Verwendung und Herstellung

U.S. Production2020: 84,920 lb
Use ClassificationCosmetics -> Chelating
General Manufacturing InformationEthanedioic acid, 1,2-dimethyl ester: ACTIVE
Anwendungen · 2 Einträge

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

VerwendenDimethyl 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.

Vor- und nachgelagerte Produkte

Anbieter50 Anbieter

国药集团化学试剂有限公司86-21-63210123 · [email protected]
梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
邹平铭远进出口贸易有限公司18364991597
济南宏嘉化工有限公司15253128188; 15253128188

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