蒸汽密度
3.5 (vs air)
质量水平
蒸汽压
10 mmHg ( 36 °C)
4 mmHg ( 20 °C)
产品线
ReagentPlus®
检测方案
≥99%
形式
liquid
自燃温度
629 °F
expl. lim.
10.3 %
折射率
n20/D 1.390 (lit.)
bp
138-140 °C (lit.)
mp
−73 °C (lit.)
溶解性
water: slightly soluble
密度
1.08 g/mL (lit.)
SMILES字符串
CC(=O)OC(C)=O
InChI
1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3
InChI key
WFDIJRYMOXRFFG-UHFFFAOYSA-N
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一般描述
乙酸酐可参与环丙基酮的Friedel-Crafts′分子内环化反应，生成四氢萘酮。据报道，其可促进多种醛与活化亚甲基化合物的Knoevenagel缩合。
乙酸酐是一种酸酐，其通常被用作胺和醇的乙酰化试剂。
应用
乙酸酐可用于以下研究：
- Lipozyme TL IM（来自嗜热单胞菌的市售固定化脂肪酶）可催化丁香油的乙酰化。
- 作为乙酰基供体，对脂肪酶催化的纳米原纤化纤维素（NFC）的乙酰化进行研究。
- N-取代吡唑啉的合成。
- 稗草（Echinochloa crus-galli）淀粉的乙酰化反应。
乙酸酐可用作合成以下物质的反应物：
- 3-乙酰氧基苯甲酸（通过与3-羟基苯甲酸反应生成）
- 6-二甲基氨基-2,3-萘二甲酸酐（制备6-二甲基氨基萘酰亚胺的前体）
法律信息
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
警示用语：
Danger
危险分类
Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
WGK
WGK 1
个人防护装备
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
法规信息
危险化学品
易制毒化学品（2类）
Braulio Insuasty et al.
European journal of medicinal chemistry, 93, 401-413 (2015-03-01)
A new series of chalcones 5a-f were synthesized from caffeine-based aldehyde 3 and substituted acetophenones 4a-f. Treatment of compounds 5a-f with hydrazine hydrate led to pyrazolines 6a-f, and their subsequent reaction with acetic anhydride or formic acid afforded the corresponding
Josiane Bartz et al.
Food chemistry, 178, 236-242 (2015-02-24)
Barnyardgrass (Echinochloa crus-galli) is an invasive plant that is difficult to control and is found in abundance as part of the waste of the paddy industry. In this study, barnyardgrass starch was extracted and studied to obtain a novel starch
Semi-synthesis and proteasome inhibition of D-ring deoxy analogs of (-)-epigallocatechin gallate (EGCG), the active ingredient of green tea extract.
Huo C, et al.
Journal of Chemistry, 86(6), 495-502 (2008)
Mojca Božič et al.
Carbohydrate polymers, 125, 340-351 (2015-04-11)
The acetylation efficiency of nanofibrillated cellulose (NFC) with acetic anhydride as acetyl donor was studied using lipase from Aspergillus niger in a mixture of dimethyl sulphoxide (DMSO) and phosphate buffer solution at ambient conditions and in supercritical carbon dioxide (scCO2).
B Umesha et al.
Bioorganicheskaia khimiia, 40(4), 503-512 (2015-04-23)
The pyrazole analogues of podophyllotoxin were synthesized by the chalcone route. This route attracts the attention because of its simple operating conditions and easy availability ofthe chemicals. Initially, benzylide-neacetophenones (chalcones) were prepared in high yields by Claisen-Schmidt reaction of acetophenones
商品
Friedel-Crafts acylation with Lewis acid catalysts forms monoacylated products via electrophilic aromatic substitution of arenes.
傅-克酰基化反应是一种芳烃与酰氯或酸酐使用强路易斯酸催化剂的反应。该反应通过亲电芳族取代进行，形成单酰化产物。
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