Hexafluoroantimonsaeure

Bezeichnung:Hexafluoroantimonsaeure

CAS-Nr16950-06-4

Englisch Name:Fluoroantimonic acid

CBNumberCB6137791

SummenformelF6HSb

Molgewicht236.76

MOL-Datei16950-06-4.mol

Synonyma

Hexafluoroantimonsaeure

Hexafluoroantimonsaeure physikalisch-chemischer Eigenschaften

Schmelzpunkt	20°C
Dichte	2.885 g/mL at 25 °C(lit.)
Dampfdruck	14 mm Hg ( 18 °C)
Aggregatzustand	liquid
Farbe	yellow to colorless
Wasserlöslichkeit	It is fully miscible with water, soluble in SO2ClF, SO2.
Expositionsgrenzwerte	ACGIH: TWA 0.5 mg/m3 NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
InChI	1S/6FH.Sb/h6*1H;/q;;;;;;+5/p-5
InChIKey	MBAKFIZHTUAVJN-UHFFFAOYSA-I
SMILES	F.F[Sb](F)(F)(F)F
CAS Datenbank	16950-06-4(CAS DataBase Reference)
EPA chemische Informationen	Antimonate(1-), hexafluoro-, hydrogen, (OC-6-11)- (16950-06-4)

Sicherheit

Kennzeichnung gefährlicher	Xn,N,C,T+
R-Sätze:	20/22-51/53-35-26/27/28
S-Sätze:	61-45-36/37/39-28-26
RIDADR	UN 2922 8/PG 2
WGK Germany	2
Hazard Note	Corrosive
TSCA	TSCA listed
HazardClass	8
PackingGroup	II
Speicherklasse	6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials
Hazard Classifications	Acute Tox. 1 Dermal Acute Tox. 2 Inhalation Acute Tox. 2 Oral Aquatic Chronic 2 Eye Dam. 1 Skin Corr. 1A

Gefahreninformationscode (GHS)

Fluoroantimonic acid Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R20/22:Gesundheitsschädlich beim Einatmen und Verschlucken.
R51/53:Giftig für Wasserorganismen, kann in Gewässern längerfristig schädliche Wirkungen haben.
S-Sätze Betriebsanweisung:
S61:Freisetzung in die Umwelt vermeiden. Besondere Anweisungen einholen/Sicherheitsdatenblatt zu Rate ziehen.
Chemische Eigenschaften
superacid; moisture sensitive [KIR78] [ALD94]
Strongest superacid known
mixture of HF and SbF5 (1:1 is strongest)
Protonate even hydrocarbons to afford carbocations and H2.
2×1019 (20 quintillion) times stronger than 100% sulfuric acid.
Ho values of -31.3
Verwenden
Fluoroantimonic acid is an excellent medium for the preparation of alkylidene oxonium salts.
synthetische
Fluoroantimonic acid is produced by reacting hydrogen fluoride (HF) with antimony pentafluoride (SbF5).
SbF5+HF→SbF6+HF
Allgemeine Beschreibung
HF/SbF₅ may be synthesized by mixing hydrogen fluoride and antimony fluoride.1 Fluoroantimonic acid (HF/SbF₅), is a combination of SbF₅ and HF. It is the known strongest liquid superacid.
Materials Uses
Researchers selected poly(9,9-dioctylfluorene-alt-N-(4-secbutylphenyl)-diphenylamine) (TFB), a benchmark HTL material used in QLEDs, in combination with SU-8, a widely used negative photoresist. The TFB layer undergoes chemical degradation during the exposure process due to reactions with fluoroantimonic acid (HSbF6) released by the photoacid generator (PAG) in the SU-8 photoresist. HSbF6, one of the strongest known inorganic acids, is an essential component in SU-8 for initiating polymerization by protonating epoxide groups in resin monomers during post-baking. However, its extreme acidity can corrode the TFB layer[3].
Einzelnachweise
[1] J. OLAH G. O. Synthetic Method and Reactions; V. 1 Fluoroantimonic Acid, a Convenient Superacid Catalyst for the Improved Isomerization of Tetrahydrodicyclopentadiene to Adamantane[J]. Synthesis-Stuttgart, 2002, 106 1: 488-488. DOI:10.1055/S-1973-22239.
[2] ZENGSHE LIU Atanu B. Fluoroantimonic acid hexahydrate (HSbF6·6H2O) catalysis: The ring-opening polymerization of epoxidized soybean oil[J]. Applied Catalysis A: General, 2013, 453: Pages 370-375. DOI:10.1016/j.apcata.2012.12.028.
[3] Wang, C., He, S., Liu, Y., Sun, Y., Peng, F., Zhu, X., Jin, W., Chen, D., Ying, L., Hao, Y., Li, H., & Jin, Y. (2025). High-resolution and high-efficiency micro quantum-dot light-emitting diode arrays via conventional photolithography. Nano Research, 18(9), 94907407. https://doi.org/10.26599/nr.2025.94907407

Fluoroantimonic acid Upstream-Materialien And Downstream Produkte

Hexafluoroantimonsaeure Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

16950-06-4, Fluoroantimonic acid Verwandte Suche:

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