66086-33-7
66086-33-7 structure
- Name: DI-TERT-BUTYL ACETYLENEDICARBOXYLATE
- Chemical Name: ditert-butyl but-2-ynedioate
- CAS Number: 66086-33-7
- Molecular Formula: C12H18O4
- Molecular Weight: 226.26900
- Create Date: 2019-01-26 19:04:00
- Modify Date: 2025-08-22 08:11:28
| Name | ditert-butyl but-2-ynedioate |
|---|---|
| Synonyms |
di-tert-Butyl acetylenedicarboxylate
Di-tert-butyl 2-butynedioate EINECS 266-135-4 2-Butynedioic acid di-tert-butyl ester acetylenedicarboxylic acid di-tert-butyl ester dietertiarybutyl acetylenedicarboxylate MFCD00008808 |
| Density | 1.042g/cm3 |
|---|---|
| Boiling Point | 80-82ºC0.05 mm Hg(lit.) |
| Melting Point | 33-37ºC(lit.) |
| Molecular Formula | C12H18O4 |
| Molecular Weight | 226.26900 |
| Flash Point | >230 °F |
| Exact Mass | 226.12100 |
| PSA | 52.60000 |
| LogP | 1.67320 |
| Index of Refraction | 1.457 |
| Symbol |
GHS05, GHS07 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H314-H335 |
| Precautionary Statements | P261-P280-P305 + P351 + P338-P310 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges |
| Hazard Codes | C |
| Risk Phrases | 34-36/37 |
| Safety Phrases | 26-27-28-36/37/39-45 |
| RIDADR | UN 3261 8/PG 3 |
| Packaging Group | III |
| HS Code | 2917190090 |
| Precursor 3 | |
|---|---|
| DownStream 1 | |
| 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% |