PRODUCT Properties
| Melting point: | 85-87°C |
| Boiling point: | 72-75℃ (3 Torr) |
| Density | 0.9450 g/cm3 |
| refractive index | 1.4980 (589.3 nm 20℃) |
| storage temp. | Sealed in dry,Room Temperature |
| pka | 3.21±0.10(Predicted) |
| Appearance | Off-white to light yellow Solid |
| BRN | 2261017 |
| InChI | InChI=1S/C11H14O3/c1-8(2)9-3-5-10(6-4-9)14-7-11(12)13/h3-6,8H,7H2,1-2H3,(H,12,13) |
| InChIKey | FPVCSFOUVDLTDG-UHFFFAOYSA-N |
| SMILES | C(O)(=O)COC1=CC=C(C(C)C)C=C1 |
| CAS DataBase Reference | 1643-16-9(CAS DataBase Reference) |
Safety
| Symbol(GHS) | ![]() GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a |
| Hazard Codes | Xi,Xn |
| Risk Statements | 36/37/38-22 |
| Safety Statements | 26-36 |
| HazardClass | IRRITANT |
| HS Code | 2918999090 |



![O(1),O(3)-Bis(carboxymethyl)-O(2),O(4)-dimethyl-p-tert-butylcalix[4]arene](https://img.chemicalbook.com/CAS/GIF/136157-98-7.gif)


![Tetraethyl 4-tert-Butylcalix[4]arene-O,O',O'',O'''-tetraacetate](https://img.chemicalbook.com/CAS/GIF/97600-39-0.gif)