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Karl Fischer Buffers and Reagents

Buffers and reagents intended for use with Karl Fischer (KF) titration techniques. KF titration is a classic titration method that uses coulometric or volumetric titration to determine the moisture content of a sample.

Karl Fischer (KF) reagents are used in the analytical technique developed by chemist Karl Fischer to accurately measure the water content of gases, liquids, and solids.

Key applications include:

  • Analyzing water content in raw materials and finished products
  • Estimating moisture in food, pharmaceuticals, chemicals, and petroleum products
  • Determining the water content of laboratory samples.

Karl Fischer reagents contain a variety of chemicals in proprietary formulations. Consult the SDS for individual products for appropriate handling instructions and precautions.

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Percent Purity

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1 – 15 of 473 results
1

Karl Fischer Aqualine™ Complete 5K, for Karl Fischer Titration By Volumetry, Fisher Chemical™

EDGE
MDL Number 81734
Packaging Amber glass bottle
Physical Form Liquid
2

Karl Fischer Aqualine™ Titrant 5, for Karl Fischer Titration By Volumetry, Fisher Chemical

For two-component system. Water equivalent: 5.0mg H2O/mL

EDGE
4

HYDRANAL™ - Coulomat AG, Reagent for coulometric KF titration (anolyte solution), for cells with and without diaphragm, Honeywell Fluka™
BIOPHARMA GSA_VA

EDGE
CAS 288-32-4
UN Number UN1230
5

HYDRANAL™ - CRM Water Standard 1.0, Certified reference material for Karl Fischer titration (water content 1 mg/g = 0.1%), Honeywell Fluka™
GSA_VA

Molecular Formula: C7H8O Molecular Weight (g/mol): 108.14 InChI Key: RDOXTESZEPMUJZ-UHFFFAOYSA-N PubChem CID: 7519 ChEBI: CHEBI:16579 IUPAC Name: anisole SMILES: COC1=CC=CC=C1

EDGE
PubChem CID 7519
Molecular Weight (g/mol) 108.14
ChEBI CHEBI:16579
SMILES COC1=CC=CC=C1
IUPAC Name anisole
InChI Key RDOXTESZEPMUJZ-UHFFFAOYSA-N
Molecular Formula C7H8O
6

Karl Fischer Aqualine™ Complete 5, for Karl Fischer Titration By Volumetry, Fisher Chemical™

Single-component reagent; Pyridine free

Name Note Karl Fischer Reagent
CAS 7553-09-5
Health Hazard 3 Emergency Overview
Causes burns by all exposure routes. Harmful by inhalation. Possible risk of harm to the unborn child.
NFPA
Health:
Health Hazard 2 DANGER!
Color Brown
Physical Form Liquid
Health Hazard 1 Signal Word: DANGER!
Chemical Name or Material Aqualine™ Complete 5
Cleanup Symbol Solvent
ChemAlert Storage Symbol Gray
7

Karl Fischer Aqualine™ Electrolyte AG, for Karl Fischer Titration By Coulometry, Fisher Chemical™

Nonhalogenated anolyte solution for general use in conventional cells with a diaphragm

8

Karl Fischer Aqualine™ Solvent, for Karl Fischer Titration By Volumetry, Fisher Chemical™

Solvent for two-component system; Pyridine free

Name Note Karl Fischer Reagent
CAS 288-32-4
MDL Number 81734
Color Colorless
Packaging Amber glass bottle
Physical Form Liquid
Health Hazard 1 GHS Signal Word: Danger
UN Number 1992
DOT Information DOT Class 3, : Flammable Liquid
Chemical Name or Material Aqualine™ Solvent
Cleanup Symbol Solvent
ChemAlert Storage Symbol Red
9

HYDRANAL™ - Composite 2, Reagent for volumetric one-component Karl Fischer titration (methanol free), Honeywell™ Fluka™
BIOPHARMA GSA_VA

EDGE
CAS 111-90-0
10

HYDRANAL™ - Composite 5, Reagent for volumetric one-component Karl Fischer titration (methanol free), Honeywell™ Fluka™
BIOPHARMA GSA_VA

EDGE
CAS 111-90-0
11

HYDRANAL™ - Composite 5 K, Reagent for volumetric one-component Karl Fischer titration in aldehydes and ketones (methanol free), Honeywell™ Fluka™
BIOPHARMA GSA_VA

EDGE
CAS 111-90-0
12

HYDRANAL™ - Water Standard 1.0, Standard for Karl Fischer titration (water content 1 mg/g = 0.1%), verified against NIST SRM 2890 & NMIJ CRM 4222, Honeywell™ Fluka™
BIOPHARMA GSA_VA

EDGE
13

HYDRANAL™ - Methanol dry, Reagent for volumetric one-component KF titration (working medium), Honeywell Fluka™
BIOPHARMA GSA_VA

EDGE
14

CombiCoulomat Fritless Reagent, Apura™, EMD Chemicals
GSA_VA

Synonym: Coulometric Single Solution

EDGE
Synonym Coulometric Single Solution