A3456512
3,4-Diethoxy-3-cyclobutene-1,2-dione , >98.0%(GC) , 5231-87-8
Synonym(s):
Diethyl squarate;Squaric acid diethyl ester
| Pack Size | Price | Stock | Quantity |
| 1g | RMB30.40 | In Stock |
|
| 5G | RMB129.60 | In Stock |
|
| 25G | RMB416.80 | In Stock |
|
| 100g | RMB1279.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 13-18 °C |
| Boiling point: | 95 °C0.1 mm Hg(lit.) |
| Density | 1.15 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | 2-8°C |
| form | Liquid |
| color | Clear yellow to light brownish |
| Water Solubility | insoluble |
| BRN | 640626 |
| InChI | 1S/C8H10O4/c1-3-11-7-5(9)6(10)8(7)12-4-2/h3-4H2,1-2H3 |
| InChIKey | DFSFLZCLKYZYRD-UHFFFAOYSA-N |
| SMILES | CCOC1=C(OCC)C(=O)C1=O |
| CAS DataBase Reference | 5231-87-8(CAS DataBase Reference) |
| NIST Chemistry Reference | 3,4-Diethoxy-3-cyclobutene-1,2-dione(5231-87-8) |
Description and Uses
3,4-Dethoxy-3-cyclobutene-1,2-dione is used as a starting material for synthesis of furanones and quinones. It undergoes ethoxy substitution with amines and unsaturated organosilanes.
Safety
| Symbol(GHS) |   GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H315-H317-H319-H334-H335 |
| Precautionary statements | P280-P302+P352-P305+P351+P338 |
| target organs | Respiratory system |
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter |
| Hazard Codes | Xn,Xi |
| Risk Statements | 36/37/38-42/43 |
| Safety Statements | 7-26-37/39-24-23 |
| WGK Germany | 3 |
| RTECS | GU1772466 |
| F | 10 |
| Hazard Note | Irritant |
| HS Code | 29145090 |
| Storage Class | 10 - Combustible liquids |
| Hazard Classifications | Eye Irrit. 2 Resp. Sens. 1 Skin Irrit. 2 Skin Sens. 1 STOT SE 3 |
