- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 2,4(3H,5H)-Furandione
- Price:
- Purity: 96.0%
- Stocking Period: 10 Day
- Contact: Yang
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 2,4(3H,5H)-Furandione
- Price: ￥2138.0/5g
- Purity: 96.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Tetronic acid
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
4971-56-6
4971-56-6 structure
- Name: 2,4(3H,5H)-Furandione
- Chemical Name: Tetronic Acid
- CAS Number: 4971-56-6
- Molecular Formula: C4H4O3
- Molecular Weight: 100.073
- Create Date: 2018-02-26 08:00:00
- Modify Date: 2024-01-06 14:07:16
| Name | Tetronic Acid |
|---|---|
| Synonyms |
Tetronic acid
Furan-2,4(3H,5H)-dione EINECS 225-617-4 Tetrahydrofuran-2,4-dione oxolane-2,4-dione MFCD00010086 2,4(3H,5H)-Furandione |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 324.3±35.0 °C at 760 mmHg |
| Melting Point | 139-140°C (dec.) |
| Molecular Formula | C4H4O3 |
| Molecular Weight | 100.073 |
| Flash Point | 151.0±26.0 °C |
| Exact Mass | 100.016045 |
| PSA | 43.37000 |
| LogP | -2.03 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.470 |
| Storage condition | Refrigerator |
| Hazard Codes | Xi: Irritant; |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36/37/39-S36 |
| HS Code | 2932190090 |
|
~%
4971-56-6 |
| Literature: Chernysheva, Natalia B.; Tsyganov, Dmitry V.; Philchenkov, Alex A.; Zavelevich, Michael P.; Kiselyov, Alex S.; Semenov, Roman V.; Semenova, Marina N.; Semenov, Victor V. Bioorganic and Medicinal Chemistry Letters, 2012 , vol. 22, # 7 p. 2590 - 2593 |
|
~%
4971-56-6 |
| Literature: Wolff; Schwabe Justus Liebigs Annalen der Chemie, 1896 , vol. 291, p. 237 Full Text Show Details Wolff; Schimpff Justus Liebigs Annalen der Chemie, 1901 , vol. 315, p. 152,153 |
|
~%
4971-56-6 |
| Literature: Duffin; Kendall Journal of the Chemical Society, 1955 , p. 3969 |
|
~%
4971-56-6 |
| Literature: Wolff Justus Liebigs Annalen der Chemie, 1913 , vol. 399, p. 311 |
|
~%
4971-56-6 |
| Literature: Naringrekar; Stella Journal of Pharmaceutical Sciences, 1990 , vol. 79, # 2 p. 138 - 146 |
|
~%
4971-56-6 |
| Literature: Roettinger; Wenzel Monatshefte fuer Chemie, 1913 , vol. 34, p. 1874 |
|
~%
4971-56-6 |
| Literature: Wolff; Schimpff Justus Liebigs Annalen der Chemie, 1901 , vol. 315, p. 158 |
|
~%
4971-56-6 |
| Literature: Wolff; Schwabe Justus Liebigs Annalen der Chemie, 1896 , vol. 291, p. 237 |
| Precursor 8 | |
|---|---|
| DownStream 8 | |
![9-(3,4-dimethoxyphenyl)-6,7-dimethoxy-3H-furo[3,4-b]quinolin-1-one structure](https://image.chemsrc.com/caspic/345/161493-22-7.png)
| HS Code | 2932190090 |
|---|---|
| Summary | 2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |