CAS 762-42-5|Dimethyl but-2-ynedioate
Introduction：Basic information about CAS 762-42-5|Dimethyl but-2-ynedioate, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Dimethyl but-2-ynedioate | ||
|---|---|---|---|
| CAS Number | 762-42-5 | Molecular Weight | 142.109 |
| Density | 1.2±0.1 g/cm3 | Boiling Point | 204.3±0.0 °C at 760 mmHg |
| Molecular Formula | C6H6O4 | Melting Point | -18 °C |
| MSDS | ChineseUSA | Flash Point | 86.1±0.0 °C |
| Symbol | GHS05, GHS07 | Signal Word | Danger |
Names
| Name | Dimethyl acetylenedicarboxylate |
|---|---|
| Synonym | More Synonyms |
Chemical & Physical Properties
| Density | 1.2±0.1 g/cm3 |
|---|---|
| Boiling Point | 204.3±0.0 °C at 760 mmHg |
| Melting Point | -18 °C |
| Molecular Formula | C6H6O4 |
| Molecular Weight | 142.109 |
| Flash Point | 86.1±0.0 °C |
| Exact Mass | 142.026611 |
| PSA | 52.60000 |
| LogP | 1.50 |
| Vapour Pressure | 0.3±0.4 mmHg at 25°C |
| Index of Refraction | 1.446 |
| InChIKey | VHILMKFSCRWWIJ-UHFFFAOYSA-N |
| SMILES | COC(=O)C#CC(=O)OC |
Toxicological Information
CHEMICAL IDENTIFICATION |
ACUTE TOXICITY DATA - TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 50 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,13,1953
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 550 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - ataxia Behavioral - coma
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 28(6),55,1984
Safety Information
| Symbol | GHS05, GHS07 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H302-H314 |
| Precautionary Statements | P280-P305 + P351 + P338-P310 |
| Personal Protective Equipment | Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | C:Corrosive |
| Risk Phrases | R22;R34 |
| Safety Phrases | S23-S26-S27-S36/37/39-S45 |
| RIDADR | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| RTECS | ES0175000 |
| Packaging Group | III |
| Hazard Class | 8 |
| HS Code | 2917190090 |
Customs
| HS Code | 2917190090 |
|---|---|
| Summary | 2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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Synonyms
| Acetylenedicarboxylic acid, dimethyl ester (8CI) |
| Dimethylbut-2-indioat |
| 2-Butynedioic acid, dimethyl ester |
| EINECS 212-098-4 |
| Dimethyl 2-butynedioate |
| dimethyl but-2-ynedioate |
| acetylenedicarboxylate |
| MFCD00008456 |
