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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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3

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

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%
4

HYDRANAL™ - Coulomat AK, Reagent for coulometric KF titration in ketones (anolyte solution), preferred for cells with diaphragm, Honeywell Fluka

EDGE
Boiling Point 60°C
CAS Min % ≥1.0000%
UN Number UN1992
Chemical Name or Material HYDRANAL™ - Coulomat AK
Grade Karl Fischer
Density 1.200 g/cm3
Name Note Reagent for coulometric KF titration in ketones (anolyte solution), preferred for cells with diaphragm
CAS 7446-09-5
Packaging Glass Bottle
Flash Point 32°C
DOT Information Transport Hazard Class: 3; Packing Group:3: III; Proper Shipping Name: Flammable liquids, toxic, n.o.s.
Recommended Storage Room Temp
Shelf Life 1800 days from date of manufacture
CAS Max % <5.0000%
5

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

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™-Composite 2, Titrating agent for volumetric one-component Karl Fischer titration (methanol free), Fluka, Honeywell

CAS: 288-32-4,693-98-1,68007-08-9,7553-56-2,7446-09-5 Molecular Formula: C3H5IN2 Molecular Weight (g/mol): 195.99 InChI Key: JBOIAZWJIACNJF-UHFFFAOYSA-N IUPAC Name: 1H-imidazole hydroiodide SMILES: I.N1C=CN=C1

EDGE
CAS 288-32-4,693-98-1,68007-08-9,7553-56-2,7446-09-5
Molecular Weight (g/mol) 195.99
SMILES I.N1C=CN=C1
IUPAC Name 1H-imidazole hydroiodide
InChI Key JBOIAZWJIACNJF-UHFFFAOYSA-N
Molecular Formula C3H5IN2
11

HYDRANAL™ - KetoSolver, Reagent for volumetric one-component KF titration in aldehydes and ketones (working medium), Honeywell Fluka™

Medium for volumetric one-component Karl Fischer titration in aldehydes and ketones (methanol free)

EDGE
CAS 101023-55-6
14

Aqualine™ Water Standard 5.0, Karl Fischer, Fisher Chemical

5mg/mL H2O standard

Name Note Karl Fischer Reagent
CAS 71-36-3
MDL Number MFCD00077264
Chemical Name or Material Aqualine™ Standard 5.1