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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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16 – 30 of 383 results
16

Karl Fischer Solvent, solvent for volumetric two-component titration, Thermo Scientific Chemicals

Boiling Point 65°C
Name Note solvent for volumetric two-component titration
Health Hazard 3 P201-P202-P210-P233-P235-P240-P241-P242-P243-P260-P264b-P270-P271-P281-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P370+P378q-P501c
Health Hazard 2 GHS H Statement
H225-H311-H331-H370-H314-H302
Highly flammable liquid and vapor.
Toxic in contact with skin.
Toxic if inhaled.
Causes damage to organs.
Causes severe skin burns and eye damage.
Harmful if swallowed.
Color Colorless to Green
Physical Form Liquid
Health Hazard 1 H225-H301+H311+H331-H314-H335-H360D-H370
UN Number UN3286
DOT Information Transport Hazard Class: 3; Packaging Group: II; Proper Shipping Name: FLAMMABLE LIQUID, TOXIC, CORROSIVE, N.O.S.
Chemical Name or Material Karl Fischer Solvent
TSCA Yes
Recommended Storage Ambient temperatures
Density 0.910 g/mL
17
Promotions Available

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

Anolyte solution for general use in conventional cells with a diaphragm

20

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

EDGE
CAS 111-90-0
21

CombiCoulomat Fritless Reagent, Apura™, EMD Chemicals
GSA_VA

Synonym: Coulometric Single Solution

Synonym Coulometric Single Solution
22

CombiTitrant 5, Aquastar™, MilliporeSigma™

Molecular Formula: Mixture Synonym: carl fischer

Synonym carl fischer
Molecular Formula Mixture
23

Water Standard Oven 1%, solid standard for KF oven method apura, MilliporeSigma™
GSA_VA

24

HYDRANAL™ - Water Standard 0.1 PC, Standard for Karl Fischer titration (water content 0.1 mg/g = 0.01%), verified against NIST SRM 2890 & NMIJ CRM 4222, Solstice
GSA_VA

Molecular Formula: C4H6O3 Molecular Weight (g/mol): 102.09 MDL Number: MFCD00005385,MFCD00798264,MFCD00798265 InChI Key: RUOJZAUFBMNUDX-UHFFFAOYNA-N PubChem CID: 7924 IUPAC Name: 4-methyl-1,3-dioxolan-2-one SMILES: CC1COC(=O)O1

PubChem CID 7924
Molecular Weight (g/mol) 102.09
MDL Number MFCD00005385,MFCD00798264,MFCD00798265
SMILES CC1COC(=O)O1
IUPAC Name 4-methyl-1,3-dioxolan-2-one
InChI Key RUOJZAUFBMNUDX-UHFFFAOYNA-N
Molecular Formula C4H6O3
25

HydroSpec™ Coulometric AG Oven, Ricca Chemical

Formulated for high performance and reliable results. Karl Fischer reagent for moisture determination.

CAS 111-42-2
Packaging Amber Glass Bottle
Physical Form Liquid
CAS Min % 20
UN Number UN1230
Chemical Name or Material Coulometric AG-Oven
Grade Karl Fischer
Specific Gravity 0.97
CAS Max % 30
26

HYDRANAL™-Moisture Test Kit, Solstice

Test kit for the visual water determination according to Karl Fischer without titrator

27

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, Solstice
BIOPHARMA GSA_VA

28

HYDRANAL™ - Coulomat AF 7, For coulometer AF7, Solstice

for coulometer AF7

CAS 288-32-4
Health Hazard 2 P201-P210-P280-P308 + P311-P370 + P378-P403 + P235
UN Number UN1230
29
Promotions Available

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

Solvent for two-component system; Pyridine free

EDGE
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
30

HYDRANAL™ - Formamide dry, Solvent for KF titration, Solstice
BIOPHARMA GSA_VA

Molecular Formula: CH3NO Molecular Weight (g/mol): 45.04 MDL Number: MFCD00007941 InChI Key: ZHNUHDYFZUAESO-UHFFFAOYSA-N PubChem CID: 713 ChEBI: CHEBI:48431 IUPAC Name: formamide SMILES: NC=O

EDGE
PubChem CID 713
Molecular Weight (g/mol) 45.04
ChEBI CHEBI:48431
MDL Number MFCD00007941
SMILES NC=O
IUPAC Name formamide
InChI Key ZHNUHDYFZUAESO-UHFFFAOYSA-N
Molecular Formula CH3NO