CAS Number762-42-5
SynonymsDimethylbut-2-indioat; 2-Butynedioic acid, dimethyl ester; EINECS 212-098-4; Dimethyl 2-butynedioate; dimethyl but-2-ynedioate; acetylenedicarboxylate; MFCD00008456
Molecular FormulaCH3OCOC≡CCO2CH3
Molecular Weight142.11
Purity95%
Density1.2±0.1 g/cm3
Boiling Point95-98 °C/19 mmHg (lit.)
Melting Point-18 °C
Appearanceliquid
EINECS212-098-4
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 762-42-5 |
| Catalog No. | 2A-9007604 |
| Chinese Name | 丁炔二酸二甲酯 |
| Synonyms | Dimethylbut-2-indioat; 2-Butynedioic acid, dimethyl ester; EINECS 212-098-4; Dimethyl 2-butynedioate; dimethyl but-2-ynedioate; acetylenedicarboxylate; MFCD00008456 |
| Molecular Formula | CH3OCOC≡CCO2CH3 |
| Molecular Weight | 142.11 |
| Purity | 95 |
| Density | 1.2±0.1 g/cm3 |
| Boiling Point | 95-98 °C/19 mmHg (lit.) |
| Melting Point | -18 °C |
| Appearance | liquid |
| Storage Condition | Keep container tightly closed and stored in a cool |
| Packaging | III |
| EINECS | 212-098-4 |
| HTC | 2917190090 |
| UN(IATA) | UN 3265 |
| PubChem ID | 24893421 |
| MDL Number | MFCD00008456 |
| SMILES | COC(=O)C#CC(=O)OC |
| InChI | 1S/C6H6O4/c1-9-5(7)3-4-6(8)10-2/h1-2H3 |
| InChI Key | VHILMKFSCRWWIJ-UHFFFAOYSA-N |
| Beilstein/REAXYS | 607063 |
| NACRES Code | NA.22 |
| UNSPSC | 12352100 |
| Hazard Symbols | 8 |
| Risk Codes | R22;R34 |
| Safety Description | S26;S36/37/39;S45 |
| MSDS | msds/7604_1_762_42_5.pdf |
| Tax Rebate | 9.0% |
| Supervision | None MFN tariff: 6.5% Ordinary tariff: 30.0% |
| Transport Info | Shipping Name: UN |
| 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 United Nations shipping name European Land Transport Dangerous Regulations: CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S. (Dimethyl butynedioate) IMDG Code: CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S. (Dimethyl butynedioate) International air transport hazard regulations: Corrosive liquid, acidic, organic, n.o.s. (Dimethyl 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 Danger Regulations: No International Maritime Danger Regulations International Air Transport Danger Regulations: No Marine pollutants (yes/no): No 14.6 Special reminder to users No data available |
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