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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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1 – 15 of 19 results
1
Promotions Available

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
Promotions Available

HYDRANAL™-Water Standard Oil, Honeywell™

EDGE
3
Promotions Available

HYDRANAL™ - Coulomat E, Reagent for coulometric KF titration (ethanol-based), for cells with and without diaphragm, Honeywell Fluka™

Anolyte for coulometric Karl Fischer titration (ethanol-based), for cells with and without diaphragm

CAS 111-42-2
Health Hazard 2 P201-P210-P280-P308 + P313-P370 + P378-P403 + P235
4
Promotions Available

HYDRANAL™ - Titrant 5 E, Reagent for volumetric two-component Karl Fischer titration (ethanol based), Honeywell™ Fluka™

Titrating agent for volumetric two-component Karl Fischer titration (ethanol-based)

UN Number UN1170
5
Promotions Available

Karl Fischer Reagent Solution A, for pyridine-based volumetric KF titration (pyridine, sulfur dioxide, methanol), Honeywell™ Fluka™

for pyridine-based volumetric Karl Fischer titration (pyridine, sulfur dioxide, methanol)

Health Hazard 2 P210-P260-P280-P301 + P310 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338-P308 + P311-P403 + P233
8
Promotions Available

HYDRANAL™ - NEXTGEN Coulomat AG-FI, Honeywell Fluka™

Anolyte for coulometric Karl Fischer titrations, for cells with and without diaphragm

Boiling Point 64°C to 65°C (Methanol)
CAS 67-56-1
Color Yellow
Solubility Information Completely Miscible in Water
Packaging Glass Bottle
Flash Point 14°C
Physical Form Liquid
CAS Min % ≥60%
UN Number UN1230
Chemical Name or Material HYDRANAL™ - NEXTGEN Coulomat AG-FI
Recommended Storage Room Temperature
Density 0.893 g/cm3 (at 20°C)
Melting Point -98°C (Methanol)
9
Promotions Available

HYDRANAL™ - NEXTGEN Coulomat C-FA, Honeywell Fluka™

Catholyte for coulometric Karl Fischer titration of ketones and Li-ion battery electrolytes, Acetonitrile-based, free of alcohols (free of CMR substances).

Color Orange
Physical Form Liquid
CAS Min % ≥60.00
UN Number UN2924
Chemical Name or Material HYDRANAL™ - NEXTGEN Coulomat C-FA
Density 0.906 g/cm3
CAS 75-05-8
Solubility Information Soluble in water
Packaging Ampoule
Flash Point 12°C to 13°C
pH 5.5
Recommended Storage Room Temperature
Shelf Life 720 days
CAS Max % <70.00
11
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HYDRANAL™ - NEXTGEN Solvent FI, Honeywell Fluka™

Medium for volumetric, two-component Karl Fischer titrations

CAS 147-85-3
Solubility Information Completely Miscible in Water
Packaging Glass Bottle
Flash Point 11°C
Physical Form Liquid
pH 5 to 6
CAS Min % ≥0.10%
UN Number UN1230
Chemical Name or Material HYDRANAL™ - NEXTGEN Solvent FI
Recommended Storage Room Temperature
Density 0.9 g/cm3 (at 20°C)
CAS Max % ≤5%
12

HYDRANAL™-Solvent E, Honeywell Fluka™

Medium for volumetric two-component Karl Fischer titration (ethanol-based)

CAS 7446-09-5
MDL Number MFCD01867183
Health Hazard 2 P201-P210-P280-P308 + P313-P370 + P378-P403 + P235
Flash Point 12°C (53.6°F)
UN Number UN1170
Chemical Name or Material HYDRANAL™-Solvent E
Density 0.90g/mL
13

HYDRANAL™-CompoSolver E, Honeywell Fluka™

Medium for volumetric one-component Karl Fischer titration (ethanol-based)

CAS 7446-09-5
Health Hazard 2 P201-P210-P280-P308 + P313-P370 + P378-P403 + P235
Flash Point 12°C (53.6°F)
UN Number UN1170
Chemical Name or Material HYDRANAL™-CompoSolver E
Density 0.80g/mL
14

HYDRANAL™ - NEXTGEN Solvent E-FI, Honeywell Fluka™

Medium for volumetric, two-component Karl Fischer titrations

CAS 64-17-5
Color Colorless
Solubility Information Completely Miscible in Water
Packaging Glass Bottle
Physical Form Liquid
pH 5 to 6
CAS Min % ≥55%
UN Number UN1170
Chemical Name or Material HYDRANAL™ - NEXTGEN Solvent E-FI
Density 0.895 g/cm3
CAS Max % ≤80%
Melting Point -115°C
15

HYDRANAL™ - NEXTGEN Coulomat A-FA, Honeywell Fluka™

Anolyte for coulometric Karl Fischer titration of ketones and Li-ion battery electrolytes, preferred for cells with diaphragm, acetonitrile-based, free of alcohols (free of CMR substances)

Color Orange
Solubility Information Soluble in water
Packaging Glass Bottle
Flash Point 12°C to 13°C
Physical Form Liquid
pH 5.5
Chemical Name or Material HYDRANAL™ - NEXTGEN Coulomat A-FA