2231-66-5
2231-66-5 structure
- Name: 2,2-Dimethyl-5-(1-Methyl Ethylidene)-1,3-Dioxane-4,6-Dione
- Chemical Name: 2,2-dimethyl-5-propan-2-ylidene-1,3-dioxane-4,6-dione
- CAS Number: 2231-66-5
- Molecular Formula: C9H12O4
- Molecular Weight: 184.18900
- Create Date: 2018-06-19 19:56:05
- Modify Date: 2024-01-08 13:58:25
| Name | 2,2-dimethyl-5-propan-2-ylidene-1,3-dioxane-4,6-dione |
|---|---|
| Synonyms |
EINECS 218-770-3
isopropylidene Meldrum's acid 2,2-dimethyl-5-isopropylidene-1,3-dioxane-4,6-dione |
| Density | 1.138g/cm3 |
|---|---|
| Boiling Point | 378ºC at 760mmHg |
| Melting Point | 128 °C |
| Molecular Formula | C9H12O4 |
| Molecular Weight | 184.18900 |
| Flash Point | 199.5ºC |
| Exact Mass | 184.07400 |
| PSA | 52.60000 |
| LogP | 1.15890 |
| Vapour Pressure | 6.48E-06mmHg at 25°C |
| Index of Refraction | 1.464 |
| Storage condition | 2-8°C |
| HS Code | 2934999090 |
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|
~83%
2231-66-5 |
| Literature: BOEHRINGER INGELHEIM INTERNATIONAL GMBH; FANDRICK, Daniel Robert; YEE, Nathan; SONG, Jinhua J.; REEVES, Jonathan Timothy Patent: WO2010/141334 A1, 2010 ; Location in patent: Page/Page column 13-14 ; |
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~%
2231-66-5 |
| Literature: Ratiopharm GmbH Patent: EP1834944 A1, 2007 ; Location in patent: Page/Page column 5 ; |
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~%
2231-66-5 |
| Literature: Tararov, Vitali I.; Korostylev, Andrei; Koenig, Gerd; Boerner, Armin Synthetic Communications, 2006 , vol. 36, # 2 p. 187 - 191 |
| Precursor 3 | |
|---|---|
| DownStream 9 | |
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |