您好,欢迎来到魔法化学网!

| CAS号 : | 1121-76-2 |
精确质量 : | 128.99800 |
| 分子式 : | C5H4ClNO |
logP : | 1.76850 |
| 分子量 : | 129.54400 |
PSA : | 25.46000 |
4-氯吡啶 N-氧化物 | |
4-Chloropyridine N-Oxide | |
1121-76-2 | |
C5H4ClNO | |
129.54400 | |
25.46000 | |
1.76850 | |
128.99800 |
|
几乎白色,晶体固体
|
|
|
1.552
|
|
|
141.3ºC
|
|
|
0.00113mmHg at 25°C
|
|
|
Refrigerator (+4ºC)
|
|
|
160 °C (dec.)(lit.)
|
|
|
1.27 g/cm3
|
|
|
310ºC at 760 mmHg
|
|
2933399090
|
|
|
3
|
|
|
R20/21/22; R36/37/38
|
|
|
S26-S37/39-S36/37/39
|
|
|
Xn
|
品名, 成分含量, 用途, 乌洛托品请注明外观, 6-己内酰胺请注明外观, 签约日期 |
|
2933399090. 其他结构含非稠合吡啶环的化合物. 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% |
|
2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
|
|
用铁和醋酸还原得到4-氯代吡啶。用4-硝基吡啶-N-氧化物与浓盐酸或乙酰氯作用制取。 | |
用于有机合成。 |