1.01513

Hydrofluoric acid

48%, Ultrapur

• Synonym(s): Hydrofluoric acid, Hydrofluoric acid solution, Fluoric acid, HF
• Empirical Formula (Hill Notation): HF
• CAS Number: 7664-39-3
• Molecular Weight: 20.01
• UNSPSC Code: 12352301
• NACRES: NB.21
• MDL number: MFCD00011346
• Assay: 48%
• Concentration: 48%
• Form: liquid

Properties

• Product Name: Hydrofluoric acid 48%, Ultrapur
• SMILES string: F, [H+].[F-]
• InChI: InChI=1S/FH/h1H, 1S/FH/h1H
• Quality Level: 100
• InChI key: KRHYYFGTRYWZRS-UHFFFAOYSA-N
• vapor density: 1.27 (vs air)
• vapor pressure: 25 mmHg ( 20 °C)
• description: for inorganic trace analysis
• assay: 48%
• form: liquid
• concentration: 48%
• pH: 2 (20 °C in H₂O)
• bp: ca.106 °C/ca.223 °F-at 1,013 hPa
• mp: -35 °C
• solubility: soluble (Water: Soluble)
• density: 1.16 g/cm³ at 20 °C, 1.15 g/mL at 25 °C (lit.)
• cation traces: Ag: ≤20 ppt, Al: ≤100 ppt, As: ≤20 ppt, Au: ≤20 ppt, Ba: ≤20 ppt, Be: ≤20 ppt, Bi: ≤-20 ppt, Ca: ≤500 ppt, Cd: ≤50 ppt, Ce: ≤20 ppt, Co: ≤20 ppt, Cr: ≤100 ppt, Cu: ≤500 ppt, Dy: ≤20 ppt, Er: ≤20 ppt, Eu: ≤20 ppt, Fe: ≤500 ppt, Ga: ≤20 ppt, Gd: ≤20 ppt, Hf: ≤10 ppt, Ho: ≤20 ppt, In: ≤20 ppt, K: ≤200 ppt, La: ≤20 ppt, Li: ≤20 ppt, Lu: ≤20 ppt, Mg: ≤100 ppt, Mn: ≤20 ppt, Mo: ≤20 ppt, Na: ≤200 ppt, Nb: ≤20 ppt, Nd: ≤20 ppt, Ni: ≤50 ppt, Pb: ≤50 ppt, Pd: ≤20 ppt, Pr: ≤20 ppt, Pt: ≤20 ppt, Rb: ≤20 ppt, Re: ≤10 ppt, Sb: ≤20 ppt, Sc: ≤20 ppt, Sm: ≤20 ppt, Sn: ≤50 ppt, Sr: ≤20 ppt, Ta: ≤50 ppt, Tb: ≤20 ppt, Te: ≤50 ppt, Th: ≤1 ppt, Ti: ≤100 ppt, Tl: ≤20 ppt, Tm: ≤20 ppt, U: ≤1 ppt, V: ≤20 ppt, W: ≤100 ppt, Y: ≤10 ppt, Yb: ≤20 ppt, Zn: ≤200 ppt, Zr: ≤20 ppt
• storage temp.: 2-30°C

Description

Application

• Detection of Organic Vapors Based on Photoluminescent Bragg-Reflective Porous Silicon Interferometer: This study demonstrates the use of 48% hydrofluoric acid in fabricating porous silicon structures for sensing organic compounds, showcasing its importance in developing advanced materials for chemical sensing (Ahn et al., 2015).

Safety Information

• signalword: Danger
• Hazard Classifications: Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Eye Dam. 1 - Skin Corr. 1A
• wgk: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• pictograms: GHS06,GHS05
• hcodes: H300 + H310 + H330,H314
• pcodes: P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Storage Class: 6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials