Di-tert-butyl acetylenedicarboxylate
ALDRICH/270822 - 98%
Synonym: 2-Butynedioic acid di-tert-butyl ester; Di-tert-butyl 2-butynedioate
CAS Number: 66086-33-7
Empirical Formula (Hill Notation): C12H18O4
Molecular Weight: 226.27
EC Number: 266-135-4
MDL Number: MFCD00008808
Linear Formula: (CH3)3COCOC≡CCOOC(CH3)3
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 270822-1G.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 270822-5G.
| assay | 98% |
| bp | 80-82 °C/0.05 mmHg (lit.) |
| form | solid |
| InChI | 1S/C12H18O4/c1-11(2,3)15- |
| InChI key | FBCRUXRGQFLOMC-UHFFFAOYSA |
| mp | 33-37 °C (lit.) |
| Quality Level | 200  |
| SMILES string | CC(C)(C)OC(=O)C#CC(=O)OC( |
| General description: | The cross-cyclotrimerization of di-tert-butyl acetylenedicarboxylate, silylacetylenes and acrylamides was studied with cationic rhodium(I)/(R)-tol-binap complex as catalyst. Glycosyl azides were subjected to 1,3-dipolar cycloaddition with di-tert-butyl acetylenedicarboxylate. |
| Packaging: | 1, 5 g in glass bottle |
| Symbol |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H314 - H335 |
| Precautionary statements | P260 - P271 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 34-36/37 |
| Safety Statements | 26-27-28-36/37/39-45 |
| RIDADR | UN 3261 8 / PGIII |
| WGK Germany | WGK 3 |
| Purity | 98% |
| bp | 80-82 °C/0.05 mmHg (lit.) |
| mp | 33-37 °C (lit.) |
| UNSPSC | 12352100 |