Dipalmitoylphosphatidylcholine
Chemical compound / From Wikipedia, the free encyclopedia
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Dipalmitoylphosphatidylcholine (DPPC) is a phospholipid (and a lecithin) consisting of two C16 palmitic acid groups attached to a phosphatidylcholine head-group.
Quick Facts Names, Identifiers ...
Names | |
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IUPAC name
1,2-Dipalmitoylphosphatidylcholine | |
Identifiers | |
3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.018.322 |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C40H80NO8P | |
Molar mass | 734.053 g·mol−1 |
Surface tension: | |
4.6 ± 0.5 x 10−10 M[1] | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It is the main constituent of pulmonary surfactants, which reduces the work of breathing and prevents alveolar collapse during breathing. It also plays an important role in the study of liposomes and human bilayers.[2][3]