{"id":60443,"date":"2025-06-10T22:39:00","date_gmt":"2025-06-10T22:39:00","guid":{"rendered":"https:\/\/discover.restek.com\/?p=60443"},"modified":"2026-04-06T16:12:07","modified_gmt":"2026-04-06T16:12:07","slug":"pfas-compound-cross-reference","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/es\/articles-fr\/gnot4481\/pfas-compound-cross-reference","title":{"rendered":"PFAS Compound Cross-Reference"},"content":{"rendered":"\n

Reference the table below to cross-reference PFAS compounds. For more information about our PFAS standards, visit our Reference Standard FAQ<\/a>.<\/p>\n\n\n\n

Acid Abbreviation<\/th>Acid Name<\/th>Acid CAS Number<\/th>Salt Abbreviation<\/th>Salt Name<\/th>Salt CAS Number<\/th><\/tr><\/thead>
Perfluoroalkane sulfonic acids\/sulfonates (PFSA)<\/strong><\/td><\/tr>
PFBS<\/td>Perfluorobutanesulfonic acid<\/td>375-73-5<\/td>PFBSK<\/td>Potassium Perfluorobutanesulfonate<\/td>29420-49-3<\/td><\/tr>
PFPeS<\/td>Perfluoropentanesulfonic acid<\/td>2706-91-4<\/td>PFPeSNa<\/td>Sodium Perfluoropentanesulfonate<\/td>630402-22-1<\/td><\/tr>
br-PFHxS<\/td>Perfluorohexanesulfonic acid<\/td>355-46-4<\/td>br-PFHxSK<\/td>Potassium Perfluorohexanesulfonate<\/td>3871-99-6<\/td><\/tr>
PFHxS<\/td>Perfluorohexanesulfonic acid<\/td>355-46-4<\/td>PFHxSNa<\/td>Sodium Perfluorohexanesulfonate<\/td>82382-12-5<\/td><\/tr>
PFHpS<\/td>Perfluoroheptanesulfonic acid<\/td>375-92-8<\/td>PFHpSNa<\/td>Sodium Perfluoroheptanesulfonate<\/td>21934-50-9<\/td><\/tr>
br-PFOS<\/td>Perfluorooctanesulfonic acid<\/td>1763-23-1<\/td>br-PFOSNa<\/td>Sodium Perfluorooctanesulfonate<\/td>4021-47-0<\/td><\/tr>
PFOS<\/td>Perfluorooctanesulfonic acid<\/td>1763-23-1<\/td>PFOSK<\/td>Potassium Perfluorooctanesulfonate<\/td>2795-39-3<\/td><\/tr>
PFDS<\/td>Perfluorodecanesulfonic acid<\/td>335-77-3<\/td>PFDSNa<\/td>Sodium Perfluorodecanesulfonate<\/td>2806-15-7<\/td><\/tr>
PFNS<\/td>Perfluorononanesulfonic acid<\/td>68259-12-1<\/td>PFNSNa<\/td>Sodium Perfluorononanesulfonate<\/td>98789-57-2<\/td><\/tr>
Fluorotelomer sulfonic acids\/sulfonates (FTS)<\/strong><\/td><\/tr>
4:2 FTS<\/td>1H,1H,2H,2H-Perfluorohexane sulfonic acid<\/td>757124-72-4<\/td>4:2 FTSNa<\/td>Sodium 1H,1H,2H,2H-Perfluorohexane sulfonate<\/td>27619-93-8<\/td><\/tr>
6:2 FTS<\/td>1H,1H,2H,2H-Perfluorooctane sulfonic acid<\/td>27619-97-2<\/td>6:2 FTSNa<\/td>Sodium 1H,1H,2H,2H-Perfluorooctane sulfonate<\/td>27619-94-9<\/td><\/tr>
8:2 FTS<\/td>1H,1H,2H,2H-Perfluorodecane sulfonic acid<\/td>39108-34-4<\/td>8:2 FTSNa<\/td>Sodium 1H,1H,2H,2H-Perfluorodecane sulfonate<\/td>27619-96-1<\/td><\/tr>
Polyfluoroalkyl ether carboxylic acids\/Carboxylates (PolyFEA)<\/strong><\/td><\/tr>
DONA<\/td>4,8-Dioxa-3H-perfluorononanoic acid<\/td>919005-14-4<\/td>NaDONA<\/td>Sodium 4,8-dioxa-3H-perfluorononanoate<\/td>2250081-67-3<\/td><\/tr>
Perfluoroalkyl ether carboxylic acids\/carboxylates (PFECA)<\/strong><\/td><\/tr>
PFMBA<\/td>Perfluoro-4-methoxybutanoic acid<\/td>863090-89-5<\/td>PFMBANa<\/td>Sodium perfluoro(4-methoxybutanoate)<\/td>863008-55-3<\/td><\/tr>
Chloropolyfluroalkyl ether sulfonic acids\/sulfonates<\/strong><\/td><\/tr>
9Cl-PF3ONS<\/td>9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid<\/td>756426-58-1<\/td>9Cl-PF3ONSK<\/td>Potassium 9-chlorohexadecafluoro-3-oxanonane-1-sulfonate<\/td>73606-19-6<\/td><\/tr>
11Cl-PF3OUdS<\/td>11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid<\/td>763051-92-9<\/td>11Cl-PF3OUdSNa<\/td>Sodium 11-chloroeicosafluoro-3-oxaundecane-1-sulfonate<\/td>136176-45-9<\/td><\/tr>
Perfluoroalkyl ether sulfonic acids\/sulfonates (PFESA)<\/strong><\/td><\/tr>
PFEESA<\/td>Perfluoro(2-ethoxyethane)sulfonic acid<\/td>113507-82-7<\/td>PFEESANa<\/td>Sodium Perfluoro(2-ethoxyethane)sulfonate<\/td>113507-87-2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
<\/div>\n","protected":false},"excerpt":{"rendered":"

Reference the table below to cross-reference PFAS compounds. For more information about our PFAS standards, visit our Reference Standard FAQ. Acid Abbreviation Acid Name Acid CAS Number Salt Abbreviation Salt Name Salt CAS Number Perfluoroalkane sulfonic acids\/sulfonates (PFSA) PFBS Perfluorobutanesulfonic acid 375-73-5 PFBSK Potassium Perfluorobutanesulfonate 29420-49-3 PFPeS Perfluoropentanesulfonic acid 2706-91-4 PFPeSNa Sodium Perfluoropentanesulfonate 630402-22-1 br-PFHxS…<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[462],"tags":[2782],"industries-application":[2212],"post-badge":[],"resource-type":[564],"product-library":[],"resource-technique":[],"hf_cat_post":[650],"ppma_author":[414],"class_list":["post-60443","post","type-post","status-publish","format-standard","hentry","category-articles-fr","tag-pfas","industries-application-analyse-de-pfas","resource-type-cross-reference"],"acf":[],"taxonomy_info":{"category":[{"value":462,"label":"Articles"}],"post_tag":[{"value":2782,"label":"PFAS"}],"industries-application":[{"value":2212,"label":"Analyse de PFAS"}],"resource-type":[{"value":564,"label":"Cross Reference"}]},"featured_image_src_large":false,"author_info":{"display_name":"Restek Corporation","author_link":"https:\/\/discover.restek.com\/es\/author\/restek-corporation\/"},"comment_info":0,"category_info":[{"term_id":462,"name":"Articles","slug":"articles-fr","term_group":0,"term_taxonomy_id":462,"taxonomy":"category","description":"","parent":0,"count":468,"filter":"raw","cat_ID":462,"category_count":468,"category_description":"","cat_name":"Articles","category_nicename":"articles-fr","category_parent":0}],"tag_info":[{"term_id":2782,"name":"PFAS","slug":"pfas","term_group":0,"term_taxonomy_id":2782,"taxonomy":"post_tag","description":"","parent":0,"count":113,"filter":"raw"}],"authors":[{"term_id":414,"user_id":11,"is_guest":0,"slug":"restek-corporation","display_name":"Restek Corporation","avatar_url":{"url":"https:\/\/discover.restek.com\/wp-content\/uploads\/Restek_Favicon_300x300.jpg","url2x":"https:\/\/discover.restek.com\/wp-content\/uploads\/Restek_Favicon_300x300.jpg"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/posts\/60443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/comments?post=60443"}],"version-history":[{"count":10,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/posts\/60443\/revisions"}],"predecessor-version":[{"id":92198,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/posts\/60443\/revisions\/92198"}],"wp:attachment":[{"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/media?parent=60443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/categories?post=60443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/tags?post=60443"},{"taxonomy":"industries-application","embeddable":true,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/industries-application?post=60443"},{"taxonomy":"post-badge","embeddable":true,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/post-badge?post=60443"},{"taxonomy":"resource-type","embeddable":true,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/resource-type?post=60443"},{"taxonomy":"product-library","embeddable":true,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/product-library?post=60443"},{"taxonomy":"resource-technique","embeddable":true,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/resource-technique?post=60443"},{"taxonomy":"hf_cat_post","embeddable":true,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/hf_cat_post?post=60443"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/discover.restek.com\/es\/wp-json\/wp\/v2\/ppma_author?post=60443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}