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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 482 results
1

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

Single-component reagent; Pyridine free

EDGE
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
3

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

EDGE
CAS 693-98-1
5

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

Solvent for two-component system; Pyridine free

EDGE
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
6

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 68007-08-9
7

HYDRANAL™ - Coulomat A, Reagent for coulometric KF titration (anolyte solution), preferred for cells with diaphragm, Honeywell Fluka™
BIOPHARMA GSA_VA

EDGE
Boiling Point 59°C
CAS Min % ≥1.0000%
UN Number UN1992
Chemical Name or Material HYDRANAL™ - Coulomat A
Grade Coulometric KF Titration
Density 1.070 g/cm3
Name Note Reagent for coulometric KF titration (anolyte solution), preferred for cells with diaphragm
CAS 68007-08-9
Packaging Glass Bottle
Flash Point 11°C
DOT Information Transport Hazard Class: 3; Packing Group:3: II; Proper Shipping Name: Flammable liquids, toxic, n.o.s.
Synonym Methyl alcohol
Recommended Storage Room Temp
Shelf Life 1800 days from date of manufacture
CAS Max % <5.0000%
8

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

EDGE
Boiling Point 64°C
CAS Min % ≥5.0000%
UN Number UN1230
Chemical Name or Material HYDRANAL™ - Coulomat AG-Oven
Grade Karl Fischer
Density 0.980 g/cm3
Name Note Reagent for coulometric KF titration with oven (anolyte solution), for cells with and without diaphragm
CAS 68007-08-9
Packaging Glass Bottle
Flash Point 13°C
DOT Information Transport Hazard Class: 3; Packing Group:3: II; Proper Shipping Name: Methanol Solution
Recommended Storage Room Temp
Shelf Life 1800 days from date of manufacture
CAS Max % <10.0000%
9

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

EDGE
10

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

CAS: 100-66-3,108-32-7

EDGE
CAS 100-66-3,108-32-7
11

CombiCoulomat Fritless Reagent, Apura™, EMD Chemicals
GSA_VA

Synonym: Coulometric Single Solution

Synonym Coulometric Single Solution
12

CombiTitrant 5, MilliporeSigma™

CombiTitrant 5 one-component reagent for volumetric Karl Fischer titration H2O Aquastar™.

13

Aqualine™ Complete 2, Fisher Chemical™

Single-component reagent; Pyridine free

Physical Form Liquid
14

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

Name Note Karl Fischer Reagent
CAS 7446-09-5
Purity or Free of Statement Pyridine free
MDL Number 81734
Physical Form Liquid
Packaging Amber glass bottle
DOT Information DOT Class 3, : Flammable Liquid
Chemical Name or Material Aqualine™ Solvent CM
Cleanup Symbol Solvent
ChemAlert Storage Symbol Red
Use Test Pass Test
15

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

EDGE
CAS 68007-08-9
UN Number UN1230