全氟辛烷磺酸
Clash Royale CLAN TAG#URR8PPP
Perfluorooctanesulfonic acid | |
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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 |
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InChI |
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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 acid,PFOS,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
^ http://Chemspider.com/Chemical-structure.67068.html
^ 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.
^ 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.
^ 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.