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02658 
Fluka 

Hydrofluoric acid 

TraceSELECT® Ultra, for trace analysis, ≥49% (acidimetric)  
  1 of 1  
      
 
Molecular Formula
HF
 
Molecular Weight
20.01
 
CAS Number 
7664-39-3
MDL number 
MFCD00011346

 
PubChem Substance ID 
24845348

 
EG/EC Number 
231-634-8

 
 
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Price and Availability
Descriptions
Legal Information  
TraceSELECT is a registered trademark of Sigma-Aldrich Biotechnology LP and Sigma-Aldrich Co.
 
Properties
grade 
for trace analysis
 
vapor density 
1.27 (vs air)
 
vapor pressure 
25 mmHg ( 20 °C)
 
grade 
TraceSELECT® Ultra
 
assay 
≥49% (acidimetric)
 
density 
1.15 g/mL at 25 °C(lit.)
 
anion traces 
chloride (Cl-): ≤100 μg/kg
 
 
phosphate (PO4-): ≤100 μg/kg
 
 
sulfate (SO42-): ≤300 μg/kg
 
cation traces 
Ag: ≤0.02 μg/kg
 
 
Al: ≤0.1 μg/kg
 
 
As: ≤0.1 μg/kg
 
 
Au: ≤0.02 μg/kg
 
 
Ba: ≤0.02 μg/kg
 
 
Be: ≤0.02 μg/kg
 
 
Bi: ≤0.02 μg/kg
 
 
Ca: ≤0.1 μg/kg
 
 
Cd: ≤0.02 μg/kg
 
 
Co: ≤0.02 μg/kg
 
 
Cr: ≤0.1 μg/kg
 
 
Cu: ≤0.1 μg/kg
 
 
Dy: ≤0.02 μg/kg
 
 
Er: ≤0.02 μg/kg
 
 
Eu: ≤0.02 μg/kg
 
 
Fe: ≤0.1 μg/kg
 
 
Ga: ≤0.02 μg/kg
 
 
Gd: ≤0.02 μg/kg
 
 
Ge: ≤0.05 μg/kg
 
 
Hg: ≤2 μg/kg
 
 
Ho: ≤0.02 μg/kg
 
 
In: ≤0.02 μg/kg
 
 
K: ≤0.1 μg/kg
 
 
La: ≤0.02 μg/kg
 
 
Li: ≤0.02 μg/kg
 
 
Lu: ≤0.02 μg/kg
 
 
Mg: ≤0.1 μg/kg
 
 
Mn: ≤0.02 μg/kg
 
 
Mo: ≤0.02 μg/kg
 
 
Na: ≤0.1 μg/kg
 
 
Nb: ≤0.02 μg/kg
 
 
Nd: ≤0.02 μg/kg
 
 
Ni: ≤0.1 μg/kg
 
 
Pb: ≤0.02 μg/kg
 
 
Pr: ≤0.02 μg/kg
 
 
Pt: ≤0.02 μg/kg
 
 
Sb: ≤0.02 μg/kg
 
 
Sc: ≤0.02 μg/kg
 
 
Sm: ≤0.02 μg/kg
 
 
Sn: ≤0.05 μg/kg
 
 
Sr: ≤0.02 μg/kg
 
 
Ta: ≤0.02 μg/kg
 
 
Tb: ≤0.02 μg/kg
 
 
Th: ≤0.02 μg/kg
 
 
Ti: ≤0.05 μg/kg
 
 
Tl: ≤0.02 μg/kg
 
 
Tm: ≤0.02 μg/kg
 
 
V: ≤0.02 μg/kg
 
 
Y: ≤0.02 μg/kg
 
 
Yb: ≤0.02 μg/kg
 
 
Zn: ≤0.1 μg/kg
 
 
Zr: ≤0.02 μg/kg
References
Merck 
Merck 13,4811
 
Fieser 
Fieser 6,284 / Fieser 9,238
 
reference 
Corp MSDS 1 (1), 1895:D / RegBook 1 (3), 3251:I / Sax 6, 1548
Safety
Hazard Codes 

 
Risk Statements 

 
Safety Statements 

 
RIDADR 
UN 1790 8/PG 2
 
WGK Germany 
2
 
RTECS 
MW7875000
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MSDS
 
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