全氟辛烷磺酸

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Perfluorooctanesulfonic acid


PFOS molecule

系统名
1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-Heptadecafluoro-1-octanesulfonic acid[1]
别名
PFOS
识别

CAS号

1763-23-1  ✓

PubChem

74483

ChemSpider

67068

SMILES



InChI



InChIKey

YFSUTJLHUFNCNZ-UHFFFAOYAS

EINECS

217-179-8

ChEBI

39421

KEGG

C18142
性质

化学式

C8HF17O3S

摩尔质量
500.13 g/mol g·mol⁻¹

沸点
133 °C(406 K)

pKa

<<0[2][3]
危险性

警示术语
R:R61, R20/22, R40, R48/25, R64, R51/53

安全术语
S:S53, S45, S61

欧盟分类
Toxic (T)
Dangerous for the environment (N)
若非注明,所有数据均出自一般条件(25 ℃,100 kPa)下。

全氟辛烷磺酸英语:Perfluorooctanesulfonic acidPFOS,共軛酸鹼對为全氟辛烷磺酸根)是一种人造的含氟表面活性剂和环境污染物。全氟辛烷磺酸是3M公司生产的思高洁等多种去污剂中的关键成分。2009年5月,PFOS列入到斯德哥爾摩环境保护国际公约附件B中[4]



参考文献




  1. ^ http://Chemspider.com/Chemical-structure.67068.html


  2. ^ Cheng J, Psillakis E, Hoffmann MR, Colussi AJ. Acid dissociation versus molecular association of perfluoroalkyl oxoacids: Environmental implications. J. Phys. Chem. A. July 2009, 113 (29): 8152–8156. PMID 19569653. doi:10.1021/jp9051352. 


  3. ^ Rayne S, Forest K, Friesen KJ. Extending the semi-empirical PM6 method for carbon oxyacid pKa prediction to sulfonic acids: Application towards congener-specific estimates for the environmentally and toxicologically relevant C1 through C8 perfluoroalkyl derivatives. Nature Precedings. 2009. doi:10.1038/npre.2009.3011. hdl:10101/npre.2009.2922.1. 


  4. ^ Governments unite to step-up reduction on global DDT reliance and add nine new chemicals under international treaty. Geneva: Stockholm Convention Secretariat. 8 May 2008. 







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