695-56-7
695-56-7 structure
- Name: 2-CYCLOPENTEN-1-ONE ETHYLENE KETAL
- Chemical Name: 1,4-dioxaspiro[4.4]non-8-ene
- CAS Number: 695-56-7
- Molecular Formula: C7H10O2
- Molecular Weight: 126.15300
- Catalog: Chemical reagent Organic reagent Fatty ketone (including enol)
- Create Date: 2018-07-10 10:53:41
- Modify Date: 2025-08-25 20:20:16
| Name | 1,4-dioxaspiro[4.4]non-8-ene |
|---|---|
| Synonyms |
cyclopent-2-en-1-one acetal
2-cyclopentene-1-one ethylene ketal cyclopent-2-en-1-one ethylene ketal EINECS 211-783-5 MFCD00005408 cyclopent-2-enone ethylene ketal 2-Cyclopenten-1-one ethylene ketal cyclopenten-3-one ethylene ketal 1,4-dioxaspiro[4.4]non-6-ene |
| Density | 1.067 g/mL at 25ºC(lit.) |
|---|---|
| Boiling Point | 59-62ºC16 mm Hg(lit.) |
| Molecular Formula | C7H10O2 |
| Molecular Weight | 126.15300 |
| Flash Point | 112 °F |
| Exact Mass | 126.06800 |
| PSA | 18.46000 |
| LogP | 1.07950 |
| Index of Refraction | n20/D 1.469(lit.) |
| Storage condition | Refrigerator |
| Symbol |
GHS02 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H226 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Risk Phrases | R10 |
| Safety Phrases | S16 |
| RIDADR | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| Packaging Group | III |
| Hazard Class | 3.2 |
| HS Code | 2932999099 |
|
~%
695-56-7 |
| Literature: US5147885 A1, ; |
|
~69%
695-56-7 |
| Literature: Otera, Junzo; Dan-oh, Nobuhisa; Nozaki, Hitosi Tetrahedron, 1992 , vol. 48, # 8 p. 1449 - 1456 |
|
~%
695-56-7 |
| Literature: Chemische Berichte, , vol. 88, p. 69,73 |
|
~%
695-56-7 |
| Literature: Chemische Berichte, , vol. 88, p. 69,73 |
| Precursor 5 | |
|---|---|
| DownStream 5 | |
![1,4-dioxaspiro[4.4]non-8-en-7-one structure](https://image.chemsrc.com/caspic/182/25404-15-3.png)
![6-methylidenebicyclo[3.1.0]hex-2-ene structure](https://image.chemsrc.com/caspic/077/114627-44-0.png)
![7-bromo-1,4-dioxaspiro[4.4]non-8-ene structure](https://image.chemsrc.com/caspic/162/75988-55-5.png)
![1,4-Dioxaspiro[4.4]non-8-en-7-amine(9CI) structure](https://image.chemsrc.com/caspic/031/75988-63-5.png)
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |