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Merck
CN

30103

Hydrofluoric acid

puriss. p.a., reag. ISO, reag. Ph. Eur., ≥40%

Synonym(s):

HF

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About This Item

Empirical Formula (Hill Notation):
HF
CAS Number:
Molecular Weight:
20.01
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352106
EC Number:
231-634-8
MDL number:
Assay:
≥40%
Form:
liquid
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InChI

1S/FH/h1H

SMILES string

[H+].[F-]

agency

USP/NF, reag. ISO, reag. Ph. Eur.

Quality Level

vapor pressure

25 mmHg ( 20 °C)

grade

puriss. p.a.

assay

≥40%

form

liquid

impurities

≤0.005% hexafluorosilic acid (H2SiF6)

ign. residue

≤0.0005% (as SO4)

anion traces

chloride (Cl-): ≤1 mg/kg, phosphate (PO43-): ≤0.5 mg/kg, sulfate (SO42-): ≤2 mg/kg, sulfite (SO32-): ≤2 mg/kg

cation traces

Ag: ≤0.02 mg/kg, Al: ≤0.05 mg/kg, As: ≤0.05 mg/kg, Ba: ≤0.1 mg/kg, Be: ≤0.02 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.01 mg/kg, Co: ≤0.02 mg/kg, Cr: ≤0.02 mg/kg, Cu: ≤0.02 mg/kg, Fe: ≤0.2 mg/kg, Ge: ≤0.05 mg/kg, K: ≤0.1 mg/kg, Li: ≤0.02 mg/kg, Mg: ≤0.2 mg/kg, Mn: ≤0.05 mg/kg, Mo: ≤0.05 mg/kg, Na: ≤0.2 mg/kg, Ni: ≤0.02 mg/kg, Pb: ≤0.05 mg/kg, Sr: ≤0.02 mg/kg, Ti: ≤0.1 mg/kg, Tl: ≤0.05 mg/kg, V: ≤0.05 mg/kg, Zn: ≤0.05 mg/kg, Zr: ≤0.1 mg/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

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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