CAS Number762-21-0
SynonymsDiethyl 2-butynedioate; Diethyl acetylenedicarboxylate; Bis-(Ethoxycarbonyl)acetylene; Di-Ethyl acetylenedicarboxylate; 2-Butynedioic acid, diethyl ester; Acetylenedicarboxylic acid, diethyl ester; diethyl but-2-ynedioate; EINECS 212-095-8; MFCD00009186; diethylbut-2-indioat
Molecular FormulaC2H5OCOC≡CCOOC2H5
Molecular Weight170.16
Purity95%
Density1.1±0.1 g/cm3
Boiling Point107-110 °C/11 mmHg (lit.)
Melting Point1-3 °C
Appearanceliquid
EINECS212-095-8
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 762-21-0 |
| Catalog No. | 2A-9025105 |
| Chinese Name | 丁炔二酸二乙酯 |
| Synonyms | Diethyl 2-butynedioate; Diethyl acetylenedicarboxylate; Bis-(Ethoxycarbonyl)acetylene; Di-Ethyl acetylenedicarboxylate; 2-Butynedioic acid, diethyl ester; Acetylenedicarboxylic acid, diethyl ester; diethyl but-2-ynedioate; EINECS 212-095-8; MFCD00009186; diethylbut-2-indioat |
| Molecular Formula | C2H5OCOC≡CCOOC2H5 |
| Molecular Weight | 170.16 |
| Purity | 95 |
| Density | 1.1±0.1 g/cm3 |
| Boiling Point | 107-110 °C/11 mmHg (lit.) |
| Melting Point | 1-3 °C |
| Appearance | liquid |
| Storage Condition | 0-6°C |
| Packaging | III |
| EINECS | 212-095-8 |
| HTC | 29171990 |
| PubChem ID | 24849816 |
| MDL Number | MFCD00009186 |
| SMILES | CCOC(=O)C#CC(=O)OCC |
| InChI | 1S/C8H10O4/c1-3-11-7(9)5-6-8(10)12-4-2/h3-4H2,1-2H3 |
| InChI Key | STRNXFOUBFLVIN-UHFFFAOYSA-N |
| Beilstein/REAXYS | 743166 |
| NACRES Code | NA.22 |
| UNSPSC | 12352100 |
| Hazard Symbols | 8 |
| MSDS | msds/25105_1_762_21_0.pdf |
| Tax Rebate | 9.0% |
| Supervision | None MFN tariff: 6.5% Ordinary tariff: 30.0% |
| Transport Info | Product name: Purity: 0.0% |
| MSDS Transport Info | Module 14. Shipping information 14.1 UN dangerous goods number European Land Transport Danger Regulations: 3265 International Maritime Danger Regulations: 3265 International Air Transport Danger Regulations: 3265 14.2 Names specified by the United Nations (UN) European Land Transport Dangerous Regulations: CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S. (Diethyl 2-butynedioate) IMDG Code: CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S. (Diethyl 2-butynedioate) International air transport hazard regulations: Corrosive liquid, acidic, organic, n.o.s. (Diethyl 2-butynedioate) 14.3 Transport hazard categories European Dangerous Regulations for land transport: 8 International Dangerous Regulations for sea transport: 8 International Dangerous Regulations for air transport: 8 14.4 Package group European Dangerous Regulations for land transport: II International Dangerous Regulations for sea transport: II International Dangerous Regulations for air transport: II 14.5 Environmental hazards European Land Transport Dangerous Regulations: No International Maritime Transport Dangerous Regulations Maritime Pollutants: No International Air Transport Risk Regulations: No 14.6 Special reminder to users No data available |
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