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Merck
CN

17076

Hydrofluoric acid

puriss. p.a. plus, ≥49% (acidimetric)

Synonym(s):

HF

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About This Item

Empirical Formula (Hill Notation):
HF
CAS Number:
Molecular Weight:
20.01
UNSPSC Code:
12352200
MDL number:
Technical Service
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vapor density

1.27 (vs air)

vapor pressure

25 mmHg ( 20 °C)

grade

puriss. p.a. plus

assay

≥49% (acidimetric)

ign. residue

≤0.0002% (as SO4)

density

1.15 g/mL at 25 °C (lit.)

anion traces

hexafluorosilicate (SiF62-): ≤50 mg/kg, nitrate (NO3-): ≤3 mg/kg, phosphate (PO43-): ≤0.1 mg/kg, sulfate (SO42-): ≤0.5 mg/kg, sulfite (SO32-): ≤0.5 mg/kg

SMILES string

[H+].[F-]

cation traces

Ag: ≤0.01 mg/kg, Al: ≤0.01 mg/kg, As, Sb (as As): ≤0.01 mg/kg, Au: ≤0.01 mg/kg, B: ≤0.01 mg/kg, Ba: ≤0.01 mg/kg, Be: ≤0.01 mg/kg, Bi: ≤0.01 mg/kg, Ca: ≤0.01 mg/kg, Cd: ≤0.01 mg/kg, Co: ≤0.01 mg/kg, Cr: ≤0.01 mg/kg, Cu: ≤0.01 mg/kg, Fe: ≤0.01 mg/kg, Ga: ≤0.01 mg/kg, Ge: ≤0.01 mg/kg, In: ≤0.01 mg/kg, K: ≤0.01 mg/kg, Li: ≤0.01 mg/kg, Mg: ≤0.01 mg/kg, Mn: ≤0.01 mg/kg, Mo: ≤0.01 mg/kg, Na: ≤0.01 mg/kg, Ni: ≤0.01 mg/kg, Pb: ≤0.01 mg/kg, Pt: ≤0.01 mg/kg, Sn: ≤0.01 mg/kg, Sr: ≤0.01 mg/kg, Ti: ≤0.01 mg/kg, Tl: ≤0.01 mg/kg, V: ≤0.01 mg/kg, Zn: ≤0.01 mg/kg, Zr: ≤0.01 mg/kg

InChI

1S/FH/h1H

InChI key

KRHYYFGTRYWZRS-UHFFFAOYSA-N



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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

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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