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Merck
CN

43319

Hydrofluoric acid

47-51% (T)

Synonym(s):

HF

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About This Item

Empirical Formula (Hill Notation):
HF
CAS Number:
Molecular Weight:
20.01
UNSPSC Code:
41116105
PubChem Substance ID:
MDL number:
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InChI

1S/FH/h1H

SMILES string

[H+].[F-]

vapor pressure

25 mmHg ( 20 °C)

assay

47-51% (T)

impurities

≤100 μg/kg total sulfur (S)

cation traces

Ag: ≤0.01 μg/kg, Al: ≤0.02 μg/kg, As: ≤0.05 μg/kg, B: ≤0.1 μg/kg, Ba: ≤0.01 μg/kg, Be: ≤0.01 μg/kg, Bi: ≤0.01 μg/kg, Ca: ≤0.01 μg/kg, Cd: ≤0.01 μg/kg, Ce: ≤0.01 μg/kg, Co: ≤0.01 μg/kg, Cr: ≤0.01 μg/kg, Cs: ≤0.01 μg/kg, Cu: ≤0.01 μg/kg, Dy: ≤0.001 μg/kg, Er: ≤0.001 μg/kg, Eu: ≤0.001 μg/kg, Fe: ≤0.01 μg/kg, Ga: ≤0.01 μg/kg, Gd: ≤0.001 μg/kg, Ge: ≤0.01 μg/kg, Hf: ≤0.01 μg/kg, Hg: ≤0.05 μg/kg, Ho: ≤0.001 μg/kg, In: ≤0.001 μg/kg, K: ≤0.01 μg/kg, La: ≤0.01 μg/kg, Li: ≤0.01 μg/kg, Lu: ≤0.001 μg/kg, Mg: ≤0.01 μg/kg, Mn: ≤0.01 μg/kg, Mo: ≤0.01 μg/kg, Na: ≤0.01 μg/kg, Nb: ≤0.01 μg/kg, Nd: ≤0.001 μg/kg, Ni: ≤0.02 μg/kg, Pb: ≤0.01 μg/kg, Pd: ≤0.02 μg/kg, Pr: ≤0.001 μg/kg, Pt: ≤0.02 μg/kg, Rb: ≤0.02 μg/kg, Re: ≤0.01 μg/kg, Rh: ≤0.02 μg/kg, Ru: ≤0.02 μg/kg, Sb: ≤0.02 μg/kg, Sc: ≤0.01 μg/kg, Sm: ≤0.001 μg/kg, Sn: ≤0.02 μg/kg, Sr: ≤0.01 μg/kg, Tb: ≤0.001 μg/kg, Te: ≤0.001 μg/kg, Th: ≤0.001 μg/kg, Ti: ≤0.02 μg/kg, Tl: ≤0.01 μg/kg, Tm: ≤0.001 μg/kg, U: ≤0.001 μg/kg, V: ≤0.01 μg/kg, W: ≤0.02 μg/kg, Y: ≤0.001 μg/kg, Yb: ≤0.001 μg/kg, Zn: ≤0.01 μg/kg, Zr: ≤0.01 μg/kg

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pictograms

Skull and crossbonesCorrosion

signalword

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Eye Dam. 1 - Skin Corr. 1A

Storage Class

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Aleksandra Jankowska et al.
Molecules (Basel, Switzerland), 25(23) (2020-12-04)
Spherical MCM-41 with various copper and iron loadings was prepared by surfactant directed co-condensation method. The obtained samples were characterized with respect to their structure (X-ray diffraction, XRD), texture (N2 sorption), morphology (scanning electron microscopy, SEM), chemical composition (inductively coupled
Jaeseon Park et al.
Environmental monitoring and assessment, 192(1), 41-41 (2019-12-14)
To evaluate the pretreatment processing for Cd isotope analysis of environmental samples, acid extractions and total digestions were examined with various environmental certified reference materials. Four certified reference material samples, including fly ash, polluted soil, domestic sludge, and industrial sludge
Bas Vriens et al.
Environmental science & technology, 51(19), 10943-10953 (2017-07-04)
The number and quantities of trace elements used in industry, (high-tech) consumer products, and medicine are rapidly increasing, but the resulting emissions and waste streams are largely unknown. We assessed the concentrations of 69 elements in digested sewage sludge and
Jan Borovička et al.
Talanta, 221, 121389-121389 (2020-10-21)
A116Cd-106Cd double-spike method in combination with thermal ionization mass spectrometry (TIMS) was applied to obtain cadmium (Cd) mass fractions and stable isotope compositions in seven biogenic certified reference materials (pine needles, tomato leaves, spinach leaves, lichen, mussel tissue, oyster tissue

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