Description

Ammonium undecafluorohexanoate (CAS No. 21615-47-4) is a high-purity fluorinated surfactant and chemical intermediate with the molecular formula C₆H₄F₁₁NO₂. This ammonium salt of undecafluorohexanoic acid exhibits exceptional surface activity, thermal stability, and chemical resistance due to its perfluorinated carbon chain. As a white crystalline powder, it is soluble in polar solvents like water and alcohols, making it ideal for formulation in aqueous systems. Its unique fluorinated structure provides low surface tension and high oil repellency, critical for advanced material science applications. Suitable for research and industrial use, this compound is rigorously tested for consistency (HPLC, NMR) and packaged under inert conditions to ensure stability.

Properties

• CAS Number: 21615-47-4
• Complexity: 368
• IUPAC Name: ammonia;2,2,3,3,4,4,5,5,6,6,6-undecafluorohexanoic acid
• InChI: InChI=1S/C6HF11O2.H3N/c7-2(8,1(18)19)3(9,10)4(11,12)5(13,14)6(15,16)17;/h(H,18,19);1H3
• InChI Key: OWCNWICUDXNCTI-UHFFFAOYSA-N
• Exact Mass: 331.00663815
• Molecular Formula: C6H4F11NO2
• Molecular Weight: 331.08
• SMILES: C(=O)(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)O.N
• Topological: 38.3
• Monoisotopic Mass: 331.00663815
• Synonyms: Ammonium undecafluorohexanoate, Hexanoic acid, undecafluoro-, ammonium salt, Hexanoic acid, 2,2,3,3,4,4,5,5,6,6,6-undecafluoro-, ammonium salt (1:1), 244-479-6, 21615-47-4, azane;2,2,3,3,4,4,5,5,6,6,6-undecafluorohexanoic acid, SCHEMBL220007, 42VKP87K8H, Perfluorocaproic acid ammonium salt, FA79593

Application

Ammonium undecafluorohexanoate is widely used as a surfactant in firefighting foams and coatings for its exceptional wetting properties. In materials science, it serves as a key intermediate for synthesizing fluorinated polymers with enhanced durability and chemical resistance. The compound is also employed in electronics manufacturing for hydrophobic surface treatments and as a stabilizer in specialty emulsion formulations.

Safety and Hazards

GHS Hazard Statements

• H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H361d: Suspected of damaging the unborn child [Warning Reproductive toxicity]

Precautionary Statements

• P203, P264+P265, P280, P305+P354+P338, P317, P318, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (33.3%)
• Skin Corr. 1B (33.3%)
• Skin Sens. 1 (33.3%)
• Eye Dam. 1 (100%)

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