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HCID 2736265生成日期:2026年10月23日

3,5-二甲基异恶唑-4-羰酰氯

3,5-二甲基-4-酰氯-异唑 · 3,5-二甲基异唑-4-甲酰氯 · 3,5-二甲基异噁唑-4-酰氯 · 3,5-二甲基异噁唑-4-甲酰氯 · 3,5-二甲基异噁唑-4-羰酰氯 · 3,5-二甲基异恶唑-4-甲酰氯 · 3,5-二甲基异恶唑-4-羰酰氯 · 3,5-二甲基异恶唑-4-碳酰氯

https://huagongshe.com/zh-CN/chemical/2736265

3,5-二甲基异恶唑-4-羰酰氯 分子结构式

标识与物理属性

CAS No.31301-45-8
分子式C6H6ClNO2
平均分子量159.57 g/mol
单同位素质量159.0087061 g/mol
SMILESCc1noc(C)c1C(=O)Cl
InChIKeyMPYGFFPGJMGVSW-UHFFFAOYSA-N
PubChem CID2736265
EC No.673-076-1
DTXSIDDTXSID00371242
中文名3,5-二甲基异恶唑-4-羰酰氯

化学与物理性质

XLogP1.7
极性表面积43.1
氢键供体0
氢键受体3
可旋转键1
重原子10
形式电荷0
复杂度151
沸点90°C 15mm
密度1.282±0.06 g/cm3(Predicted)
折射率1.4960 to 1.5000
形态clear liquid
pKa(酸度系数)-2.98±0.28(Predicted)
颜色Colorless to Light orange to Yellow
溶解性Reacts with water.
敏感性Moisture Sensitive
CAS 数据库31301-45-8(CAS DataBase Reference)

安全与法规

GHS 分类DangerH290 (12.5%): May be corrosive to metals [Warning Corrosive to Metals]H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]H318 (12.5%): Causes serious eye damage [Danger Serious eye damage/eye irritation]H335 (25%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P234, P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P319, P321, P363, P390, P403+P233, P405, P406, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 8 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard Classes and CategoriesMet. Corr. 1 (12.5%)Skin Corr. 1B (100%)Eye Dam. 1 (12.5%)STOT SE 3 (25%)
hazard_noteIrritant
包装类别II
危险类别8
安全说明(S)26-36/37/39-26/36/37/39/45/60-20-45-25
海关编码29349990
危险品标志C,Xi
危险类别码(R)34-36
运输编号(UN)3265

用途与应用

简介

3,5-二甲基异恶唑-4-甲酰氯为杂环衍生物,可用作医药中间体,用于医药实验研究和医药合成。

用途

3,5-二甲基异恶唑-4-羰酰氯用作研究用化合物。

制备与合成方法

合成方法

以(Z)-3-(吡咯烷-1-基)2-丁酸乙酯为起始物料,经关环反应制备关键中间体3,5-二甲基异恶唑-4-甲酸乙酯,经酸水解得到3,5-二甲基异恶唑-4-甲酸,最后于草酰氯反应制备目标化合物3,5-二甲基异恶唑-4-羰酰氯。其合成反应式如下图: