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Karl Fischer Buffers and Reagents

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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1 – 15 of 125 results
1

HYDRANAL™-Buffer Base, Honeywell Fluka™

Liquid buffer medium for Karl Fischer titration in alkaline samples (based on salicylic acid)

CAS 121-44-8
MDL Number MFCD00147178
Health Hazard 2 P210-P280-P304 + P340 + P312-P305 + P351 + P338 + P310-P370 + P378-P403 + P235
Flash Point 11°C (51.8°F)
UN Number UN1993BE
Chemical Name or Material HYDRANAL™-Buffer Base
2

HYDRANAL™ - Buffer Acid, Buffer substance for KF titration, Honeywell Fluka™

Liquid buffer medium for Karl Fischer titration in acidic samples (based on imidazole).

5

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

Promotions are available
EDGE
CAS 693-98-1
6

HYDRANAL™-Water Standard KF-Oven, 150-160°C, Honeywell Fluka™

Standard for Karl Fischer oven check (water content ∼5.0%, exact value on report of analysis)

EDGE
8

HYDRANAL™ - Composite 5, Honeywell Fluka™

Titrating agent for volumetric, one-component Karl Fischer titrations (Methanol-free)

Promotions are available
EDGE
Boiling Point 194°C (at 1.013 hPa)
CAS 111-90-0
Color Brown
Solubility Information Completely Miscible in Water
Physical Form Liquid
Packaging Metrohm OMNIS Smart Reagent
pH 4.5 to 5.5 (at 20°C)
Flash Point 99°C
Chemical Name or Material HYDRANAL™ - Composite 5
Grade Volumetric One-Component KF Titration
Synonym DE Solvent; 2-(2-Ethoxyethoxy)ethanol; CARBITOL; Diethylene glycol ethyl ether; Ethyldiglycol
Recommended Storage Ambient
12

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

Single-component reagent; Pyridine free

Name Note Karl Fischer Reagent
Equivalence 5.2mg of water/mL min.
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:
Purity or Free of Statement Pyridine free
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
13

HYDRANAL™ - Composite 1, Reagent for volumetric one-component Karl Fischer titration (methanol free), Honeywell™ Fluka™

Promotions are available
EDGE
14

HYDRANAL™ - Standard sodium tartrate dihydrate, Standard for Karl Fischer titration (water content ∼15.66%), Honeywell™ Fluka™

CAS: 6106-24-7

Promotions are available
EDGE
CAS 6106-24-7
15

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

Solvent for two-component system; Pyridine free

Promotions are available
Purity or Free of Statement Pyridine free
Color Colorless
Physical Form Liquid
UN Number 1992
Chemical Name or Material Aqualine™ Solvent
ChemAlert Storage Symbol Red
Vapor Density > 1.0
Name Note Karl Fischer Reagent
CAS 7446-09-5
MDL Number 81734
Packaging Amber glass bottle
Health Hazard 1 GHS Signal Word: Danger
DOT Information DOT Class 3, : Flammable Liquid
Cleanup Symbol Solvent
Use Test Pass Test