Skip to Content
Merck

Key Documents

View All Documentation

1.00334

Hydrofluoric acid

48%, for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Synonym(s):

Hydrofluoric acid, Hydrofluoric acid solution, Fluoric acid, HF

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
HF
CAS Number:
7664-39-3
Molecular Weight:
20.01
UNSPSC Code:
12352301
NACRES:
NA.21
MDL number:
MFCD00011346
Form:
liquid
Grade:
ACS reagent
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Hydrofluoric acid 48%, for analysis EMSURE® ACS,ISO,Reag. Ph Eur

grade

ACS reagent

Quality Level

300

agency

reag. ISO, reag. Ph. Eur.

vapor density

1.27 (vs air)

vapor pressure

25 mmHg ( 20 °C)

product line

EMSURE®

form

liquid

pH

2 (20 °C in H2O)

mp

-35 °C

solubility

water: soluble (at 20 °C)

density

1.16 g/cm3 at 20 °C, 1.15 g/mL at 25 °C (lit.)

storage temp.

2-30°C

SMILES string

[H+].[F-]

InChI

1S/FH/h1H

InChI key

KRHYYFGTRYWZRS-UHFFFAOYSA-N

General description

Hydrofluoric acid (EMSURE® grade product) is used for regulated analyses and highly demanding lab applications. It also offers the highest quality and unmatched scope of specifications to give complete control of test conditions and eliminate uncertainties. EMSURE® grade products comply with all international regulations and can be used in various applications.

Application

Hydrofluoric acid 48% can be used as:
  • An etchant for the electrochemical wet etching of single-crystalline silicon wafers.
  • A matrix for the surface patterning of silicon via metal deposition.
  • A digestive acid for the determination of lanthanides in soils and sediments by inductively coupled plasma mass spectrometry.

Features and Benefits

  • Most extensive specifications worldwide
  • Tested for up to 70 parameters
  • Extraordinary purity
  • Verylow limiting values
  • Greater accuracy and control of analyses
  • Optimized for highly critical and demanding analyses
  • Ideal for method development
  • No interference or contamination due to unknown impurities

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Still not finding the right product?

Explore all of our products under Hydrofluoric acid 48%

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

Skull and crossbonesCorrosion
GHS06,GHS05

Storage Class

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library