您好，欢迎来到魔法化学网！
| CAS号 : | 5231-87-8 |
精确质量 : | 170.05800 |
| 分子式 : | C8H10O4 |
logP : | 0.42280 |
| 分子量 : | 170.16300 |
PSA : | 52.60000 |
方酸二乙酯 | |
3,4-Diethoxy-3-cyclobutene-1,2-dione | |
5231-87-8 | |
C8H10O4 | |
170.16300 | |
52.60000 | |
0.42280 | |
170.05800 |
|
n20/D 1.509(lit.)
|
|
|
透明黄色至淡褐色液体
|
|
|
>230 °F
|
|
|
95 °C0.1 mm Hg(lit.)
|
|
|
1.15 g/mL at 25 °C(lit.)
|
|
|
insoluble
|
|
|
2-8ºC
|
|
GU1772466
|
|
|
3
|
|
|
S7-S26-S37/39-S24-S23
|
|
|
Xn
|
|
|
R36/37/38; R42/43
|
|
2933990090
|
|
2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
|
|
