Cas：5231-87-8
中文名称：方酸二乙酯
英文名称：方酸二乙酯
SMILES：O=C1C(C(OCC)=C1OCC)=O
MDL：MFCD00001333
中文同义名：
3，4-二乙基-3-环丁基-1,2-酮酚; 3,4-二乙氧基-3-环丁烯-1,2-二酮; 四方酸二乙酯; 3,4-二乙氧基-3-环丁烯-1,2-二酮,98%; 3,4-二乙氧基-3-环丁烯-1,2-二酮(方酸二乙酯); 3,4-二乙氧基-环丁-3-烯-1,2-二酮; 方酸二乙酯; 方酸二乙酯3,4-二乙氧基-3-环丁烯-1,2-二酮;
英文同义名：
3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE, 98 %; DiethylSquarate98%; 3,4-DIETHOXYCYCLOBUTANE-1,2-DIONE; Diethyl squarate, Squaric acid diethyl ester; SQUARIC ACID DIETHYL ESTER,(DIETHYL SQUARATE, 3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE); DIETHOXYCYCLOBUTENEDIONE; 3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE 98%; SQUARICACIDDIETHYLESTER/3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE;
熔点：>110°C(230°F)(lit.)
沸点：95 °C0.1 mm Hg(lit.)<br>
闪点：>230 °F<br>
折射率：<i>n</i><frac type="vertical">20/D</frac> 1.509(lit.)<br>
密度：1.15 g/mL at 25 °C(lit.)<br>
性状：Liquid
存储条件：2-8°C<br>
| 货号 | 纯度 | 规格/包装 | 货期 | 市场价 | 更新日期 |
|---|---|---|---|---|---|
| 品牌：乐研 | |||||
| 1062175 | 98% | 100g | 国内现货 | 1350.00 | 2024-04-03 |
| 1062175 | 98% | 10g | 国内现货 | 147.00 | 2024-04-16 |
| 1062175 | 98% | 25g | 国内现货 | 338.00 | 2024-04-03 |
| 1062175 | 98% | 5g | 国内现货 | 74.00 | 2024-04-16 |
| 品牌：TCI | |||||
| D3253 | >98.0%(GC) | 5g | 国内现货 | 385.00 | 2024-01-03 |
| D3253 | >98.0%(GC) | 25g | 国内现货 | 990.00 | 2024-01-03 |
| D3253 | 98.0% | 25g | 国内现货 | 990.00 | 2024-03-18 |
| D3253 | 98.0% | 5g | 国内现货 | 300.00 | 2024-03-27 |
| 品牌：Aladdin | |||||
| D154372-100g | >98.0%(GC) | 100g | 国内现货 | 1699.90 | 2024-04-16 |
| D154372-1g | >98.0%(GC) | 1g | 国内现货 | 40.90 | 2024-04-16 |
| D154372-5g | >98.0%(GC) | 5g | 国内现货 | 116.90 | 2024-04-16 |
| D154372-25g | >98.0%(GC) | 25g | 国内现货 | 489.90 | 2024-04-16 |
| 品牌：凯为化学 | |||||
| JZ0034IL | 98% | 5g | 国内现货 | 78.00 | 2024-03-23 |
| JZ0034IL | 98% | 25g | 国内现货 | 343.00 | 2024-03-23 |
| JZ0034IL | 98% | 100g | 国内现货 | 1258.00 | 2024-03-23 |
| JZ0034IL | 98% | 1g | 国内现货 | 22.00 | 2024-03-23 |
| JZ0034IL | 98% | 1g | 国内现货 | 22.00 | 2024-03-23 |
| JZ0034IL | 98% | 5g | 国内现货 | 78.00 | 2024-03-23 |
| JZ0034IL | 98% | 25g | 国内现货 | 343.00 | 2024-03-23 |
| JZ0034IL | 98% | 100g | 国内现货 | 1258.00 | 2024-03-23 |
| JZ0034IL | 98% | 50g | 国内现货 | 675.00 | 2024-03-23 |
| JZ0034IL | 98% | 50g | 国内现货 | 675.00 | 2024-03-23 |
| JZ0034IL | 98% | 10g | 国内现货 | 149.00 | 2024-03-23 |
| JZ0034IL | 98% | 10g | 国内现货 | 149.00 | 2024-03-23 |
| 品牌：罗恩 | |||||
| R043885-5g | 3，4-二乙氧基-3-环丁烯-1，2-二酮,98% | 5g | 国内现货 | 81.00 | 2024-03-27 |
| R043885-25g | 3，4-二乙氧基-3-环丁烯-1，2-二酮,98% | 25g | 国内现货 | 388.00 | 2024-03-27 |
| R043885-5g | 98% | 5g | 国内现货 | 78.00 | 2023-08-05 |
| R043885-25g | 98% | 25g | 国内现货 | 387.00 | 2023-08-05 |
| 品牌：艾康研选 | |||||
| AK0033TL | 98% | 1g | 国内现货 | 19.00 | 2024-04-01 |
| AK0033TL | 98% | 5g | 国内现货 | 68.00 | 2024-04-01 |
| AK0033TL | 98% | 25g | 国内现货 | 300.00 | 2024-04-01 |
| AK0033TL | 98% | 10g | 国内现货 | 130.00 | 2024-04-01 |
| AK0033TL | 98% | 50g | 国内现货 | 590.00 | 2024-04-01 |
| AK0033TL | 98% | 100g | 国内现货 | 1100.00 | 2024-04-01 |
| 品牌：D-Chem | |||||
| DC18614 | ≥98% | 5g | 国内现货 | 79.00 | 2024-03-27 |
| DC18614 | ≥98% | 1g | 国内现货 | 24.00 | 2024-03-27 |
| 品牌：希恩思 | |||||
| D-29315-1g | 99% 3,4-二乙氧基-3-环丁烯-1,2-二酮 | 1g | 国内现货 | 22.00 | 2024-04-18 |
| D-29315-5g | 99% 3,4-二乙氧基-3-环丁烯-1,2-二酮 | 5g | 国内现货 | 67.00 | 2024-04-03 |
| 品牌：麦克林 | |||||
| D836560 | 3,4-二乙氧基-3-环丁烯-1,2-二酮,98% | 5g | 国内现货 | 95.00 | 2024-04-16 |
| D836560 | 3,4-二乙氧基-3-环丁烯-1,2-二酮,98% | 25g | 国内现货 | 469.00 | 2024-04-16 |
| D836560 | 3,4-二乙氧基-3-环丁烯-1,2-二酮,98% | 1g | 国内现货 | 30.00 | 2024-04-16 |
| D836560 | 3,4-二乙氧基-3-环丁烯-1,2-二酮,98% | 100g | 国内现货 | 1869.00 | 2024-04-16 |
| 品牌：Meryer | |||||
| M32760 | 98% 3,4-二乙氧基-3-环丁烯-1,2-二酮(方酸二乙酯) | 5g | 国内现货 | 115.00 | 2023-04-12 |
| M32760 | 98% | 1g | 国内现货 | 34.00 | 2024-03-27 |
| M32760 | 98% | 5g | 国内现货 | 74.00 | 2024-03-27 |
| M32760 | 98% | 25g | 国内现货 | 329.00 | 2024-03-27 |
| M32760 | 98% | 100g | 国内现货 | 980.00 | 2023-11-08 |
| 品牌：韶远Accela | |||||
| SY013529 | ≥98% | 1g | 国内现货 | 21.00 | 2024-03-27 |
| 品牌：毕得医药 | |||||
| BD5248 | 98% | 1g | 国内现货 | 23.00 | 2024-03-27 |
| BD5248 | 98% | 5g | 国内现货 | 69.00 | 2024-03-27 |
| BD5248 | 98% | 10g | 国内现货 | 136.00 | 2024-03-27 |
| BD5248 | 98% | 25g | 国内现货 | 338.00 | 2024-03-27 |
| BD5248 | 98% | 100g | 国内现货 | 1350.00 | 2024-03-27 |
| BD5248 | 98% | 500g | 国内现货 | 6735.00 | 2024-03-27 |
| 品牌：笛柏 | |||||
| Q101134 | ≥98% | 25g | 国内现货 | 333.00 | 2023-08-20 |
| Q101134 | ≥98% | 5g | 国内现货 | 79.00 | 2024-03-27 |
| Q101134 | ≥98% | 100g | 国内现货 | 1130.00 | 2023-08-20 |
| Q101134 | ≥98% | 1g | 国内现货 | 24.00 | 2024-03-27 |
| 品牌：King Scientific | |||||
| AB44321 | 98% | 1g | 国内现货 | 345.00 | 2024-03-27 |
| AB44321 | 98% | 5g | 国内现货 | 397.00 | 2024-03-27 |
| AB44321 | 98% | 25g | 国内现货 | 817.00 | 2024-03-27 |
| AB44321 | 98% | 100g | 国内现货 | 2195.00 | 2024-03-27 |
| AB44321 | 98% | 500g | 国内现货 | 7984.00 | 2024-03-27 |
| 品牌：毕佳索 | |||||
| BJS9947764 | 98% | 1g | 国内现货 | 48.00 | 2024-03-13 |
| BJS9947764 | 98% | 5g | 国内现货 | 145.00 | 2024-03-13 |
| BJS9947764 | 98% | 10g | 国内现货 | 286.00 | 2024-03-13 |
| BJS9947764 | 98% | 25g | 国内现货 | 710.00 | 2024-03-13 |
| BJS9947764 | 98% | 100g | 国内现货 | 2835.00 | 2024-03-13 |
| BJS9947764 | 98% | 500g | 国内现货 | 14144.00 | 2024-03-13 |
| 品牌：Acros | |||||
| 305080050 | 5g | 国内现货 | 1542.00 | 2024-03-27 | |
| 品牌：吉至Acmec | |||||
| D77630-5g | 98% | 5g | 国内现货 | 66.00 | 2023-07-18 |
| D77630-100g | 98% | 100g | 国内现货 | 1042.00 | 2023-07-18 |
| 品牌：J&K | |||||
| 108051 | 3,4-Diethoxy-3-cyclobutene-1,2-dione, 98% 98% (J&K) | 1g | 国内现货 | 218.00 | 2024-03-27 |
| 108051 | 3,4-Diethoxy-3-cyclobutene-1,2-dione, 98% 98% (J&K) | 25g | 国内现货 | 1810.00 | 2024-03-27 |
| 108051 | 3,4-Diethoxy-3-cyclobutene-1,2-dione, 98% 98% (J&K) | 5g | 国内现货 | 710.00 | 2024-03-27 |
| 品牌：安耐吉 | |||||
| A021230 | 98% | 1g | 国内现货 | 25.00 | 2024-04-16 |
| A021230 | 98% | 5g | 国内现货 | 82.00 | 2024-04-16 |
| A021230 | 98% | 10g | 国内现货 | 160.00 | 2024-04-16 |
| A021230 | 98% | 15g | 国内现货 | 234.00 | 2024-04-16 |
| A021230 | 98% | 100g | 国内现货 | 1328.00 | 2024-04-16 |
| A021230 | 98% | 25g | 国内现货 | 346.00 | 2024-04-16 |
| 品牌：Adamas | |||||
| 62258A | 98%+;RG | 1g | 国内现货 | 22.00 | 2024-04-16 |
| 62258C | 98%+;RG | 25g | 国内现货 | 298.00 | 2024-04-16 |
| 62258B | 98%+;RG | 5g | 国内现货 | 60.00 | 2024-04-16 |
| 62258D | 98%+;RG | 100g | 国内现货 | 1188.00 | 2024-04-16 |
| 品牌：坛墨质检/TMstandard | |||||
| 715669-100mg | ≥98.0% | 100mg | 国内现货 | 450.00 | 2099-12-31 |
