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Merck

125318

Sigma-Aldrich

柠康酸酐

98%

别名:

2-甲基马来酸酐, 3-甲基-2,5-呋喃二酮, 单甲基马来酸酐, 柠康酐, 甲基马来酸酐

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About This Item

经验公式(希尔记法):
C5H4O3
CAS号:
分子量:
112.08
Beilstein:
1835
EC號碼:
MDL號碼:
分類程式碼代碼:
12162002
PubChem物質ID:
NACRES:
NA.23

蒸汽密度

4 (vs air)

品質等級

化驗

98%

形狀

liquid

折射率

n20/D 1.471 (lit.)

bp

213-214 °C (lit.)

mp

6-10 °C (lit.)

密度

1.247 g/mL at 25 °C (lit.)

SMILES 字串

CC1=CC(=O)OC1=O

InChI

1S/C5H4O3/c1-3-2-4(6)8-5(3)7/h2H,1H3

InChI 密鑰

AYKYXWQEBUNJCN-UHFFFAOYSA-N

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一般說明

柠檬酸酐是马来酸酐的衍生物,也称为2-甲基马来酸酐。由于酸酐基团的存在,它具有高活性,可以进行水解、酯化、酰胺化和加成反应。 它可以作为交联剂,在聚合物链之间形成共价键,提高聚合物网络的机械强度和热稳定性。它们是生物偶联和生物活性分子固定的潜在工具。

應用

柠檬酸酐可作为:

  • 高温袋式锂离子电池的电解质添加剂。柠檬酸酐降低了袋状电池在高温贮存过程中的界面阻抗,提高了袋状电池的稳定性。
  • 作为一种pH敏感连接剂,用于药物输送系统生物分子的表面功能化。柠檬酸酸酐偶联物的高pH敏感性是由于其双键的存在限制了酰胺和羧基之间的分离。
  • 作为试剂,通过杂-Diels–Alder反应合成新的硫代吡喃[2,3-d][1,3]噻唑衍生物。这些硫代吡喃衍生物具有多种生物活性,如抗癌、抗病毒和抗锥虫。
  • 作为共聚单体与d-木糖3,5-无水糖衍生物开环聚合,形成新型糖源聚酯,可再生含量高达100%。 可以作为聚合物合成的可持续原料。

象形圖

Health hazardCorrosion

訊號詞

Danger

危險聲明

危險分類

Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1

儲存類別代碼

8A - Combustible corrosive hazardous materials

水污染物質分類(WGK)

WGK 3

閃點(°F)

231.8 °F - closed cup

閃點(°C)

111 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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