HPLC Ion Pair Reagents

Thermo Scientific™ Pierce™ Trifluoroacetic Acid (TFA), LC-MS Grade

Bottles of 99.5%-pure TFA (MW 114.02, CAS 76-05-01) liquid (sold by weight); for HPLC use as an ion-pairing agent in reverse-phase peptide separations.

Thermo Scientific™ Pierce™ Heptafluorobutyric Acid (HFBA), Sequencing Grade

Bottles and ampules of 99.5%-pure HFBA (MW 214.04, CAS 375-22-4), valid for use as an ion-pairing agent in reverse-phase peptide separations (HPLC).

Thermo Scientific™ Pierce™ Heptafluorobutyric Acid (HFBA), HPLC Grade

Bottles and ampules of 99.5%-pure HFBA (MW 214.04, CAS 375-22-4), valid for use as an ion-pairing agent in reverse-phase peptide separations (HPLC).

1-Heptanesulfonic acid sodium salt monohydrate, ∽98%, MP Biomedicals™

1-Octanesulfonic acid sodium salt, monohydrate, 99.7%, For HPLC analysis, MP Biomedicals™

n-1-Hexane sulfonic acid, Sodium Salt, Monhydrate, 99.3 %, MP Biomedicals™

1-Pentanesulfonic acid sodium salt, monohydrate; 99.9%, For HPLC analysis, MP Biomedicals™

MP Biomedicals™ Tetramethylammonium Hydroxide Pentahydrate, ≥98%

Tetramethylammonium Hydroxide Pentahydrate is an ion pairing agent that is commonly used in analytical chemistry.

n-1-Hexanesulfonic Acid Sodium Salt Monohydrate, MP Biomedicals™

Used as an ion pairing reagent for HPLC and as an anionic surfactant. n-1-Hexanesulfonic Acid Sodium Salt Monohydrate, MP Biomedicals has a low molecular weight that will not form micelles in solution.