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 – 30 of 36 results
1

Sodium Tartrate Dihydrate, Apura™, MilliporeSigma™

CAS: 6106-24-7 Molecular Formula: C4H10Na2O8 Molecular Weight (g/mol): 232.096 InChI Key: YAPIZISBZUXUIH-DGFHWNFOSA-N Synonym: di-Sodium Tartrate Dihydrate PubChem CID: 131855972 IUPAC Name: (2R,3R)-2,3-dihydroxybutanedioic acid;sodium;dihydrate SMILES: C(C(C(=O)O)O)(C(=O)O)O.O.O.[Na].[Na]

PubChem CID 131855972
CAS 6106-24-7
Molecular Weight (g/mol) 232.096
SMILES C(C(C(=O)O)O)(C(=O)O)O.O.O.[Na].[Na]
Synonym di-Sodium Tartrate Dihydrate
IUPAC Name (2R,3R)-2,3-dihydroxybutanedioic acid;sodium;dihydrate
InChI Key YAPIZISBZUXUIH-DGFHWNFOSA-N
Molecular Formula C4H10Na2O8
2

CombiTitrant 2, AQUASTAR™, EMD Chemicals

3

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

Chemical Name or Material Water Standard Oven 1%
4

Solvent Oils and Fats, For KF Titrration, Apura&trade, MilliporeSigma™,

CAS: 111-27-3 Molecular Formula: C6H14O Molecular Weight (g/mol): 102.177 InChI Key: ZSIAUFGUXNUGDI-UHFFFAOYSA-N PubChem CID: 8103 ChEBI: CHEBI:87393 IUPAC Name: hexan-1-ol SMILES: CCCCCCO

PubChem CID 8103
CAS 111-27-3
Molecular Weight (g/mol) 102.177
ChEBI CHEBI:87393
SMILES CCCCCCO
IUPAC Name hexan-1-ol
InChI Key ZSIAUFGUXNUGDI-UHFFFAOYSA-N
Molecular Formula C6H14O
5

Titrant 5, MilliporeSigma™

Titrant 5 titrant for volumetric Karl Fischer titration with two component reagents H2O Aquastar™.

6

Titrant 2, AQUASTAR, MilliporeSigma™

Chemical Name or Material Titrant 2
7

Water standard oil, For coulometric Karl Fischer Titration, Apura™, MilliporeSigma™
GSA_VA

8

Buffer Solution for Strong Acids, ≤ 200 ppm, MilliporeSigma™

Buffer solution for strong acids for Karl Fischer Titration Aquastar™.

9

CombiCoulomat Frit Reagent, AQUASTAR™ EMD Chemicals

Synonym: Coulometric Single Solution

Synonym Coulometric Single Solution
10

Water, Standard, Apura™, MilliporeSigma™

11

Lactose Standard 5%, Apura™ MilliporeSigma™

CAS: 10039-26-6 Molecular Formula: C12H24O12 Molecular Weight (g/mol): 360.312 InChI Key: WSVLPVUVIUVCRA-KPKNDVKVSA-N Synonym: Milk sugar,Lactobiose PubChem CID: 104938 IUPAC Name: (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6S)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol;hydrate SMILES: C(C1C(C(C(C(O1)OC2C(OC(C(C2O)O)O)CO)O)O)O)O.O

PubChem CID 104938
CAS 10039-26-6
Molecular Weight (g/mol) 360.312
SMILES C(C1C(C(C(C(O1)OC2C(OC(C(C2O)O)O)CO)O)O)O)O.O
Synonym Milk sugar,Lactobiose
IUPAC Name (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6S)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol;hydrate
InChI Key WSVLPVUVIUVCRA-KPKNDVKVSA-N
Molecular Formula C12H24O12
12

CombiSolvent Fats Solvent, MilliporeSigma™

CombiSolvent Fats Solvent for volumetric Karl Fischer titration with one component reagents for fats Aquastar™.

13

Titrant 5, AQUASTAR™, EMD Chemicals

14

CombiSolvent, Methanol-free Solvent for Volumetric Karl Fischer Titration, Apura™, MilliporeSigma™

UN Number UN 1993
Chemical Name or Material CombiSolvent, Methanol-free Solvent
15

Karl Fischer Volumetric Reagent, MilliporeSigma™

16

AquaStar Coulomat C (Original Formulation)

CAS: 67-56-1,7446-09-5,111-42-2 Molecular Formula: I2 Molecular Weight (g/mol): 253.81 MDL Number: MFCD00011355,MFCD00164163 InChI Key: PNDPGZBMCMUPRI-UHFFFAOYSA-N Synonym: Coulometric Anode Solution PubChem CID: 807 ChEBI: CHEBI:17606 IUPAC Name: diiodine SMILES: II

PubChem CID 807
CAS 67-56-1,7446-09-5,111-42-2
Molecular Weight (g/mol) 253.81
ChEBI CHEBI:17606
MDL Number MFCD00011355,MFCD00164163
SMILES II
Synonym Coulometric Anode Solution
IUPAC Name diiodine
InChI Key PNDPGZBMCMUPRI-UHFFFAOYSA-N
Molecular Formula I2
17

AQUASTAR™ Coulomat A (Original Formulation), MilliporeSigma™

18

CombiMethanol Solvent, MilliporeSigma™

CombiMethanol Solvent for volumetric Karl Fischer titration with one component reagents max. 0.01% H2O Aquastar™.

CAS 67-56-1
Molecular Weight (g/mol) 32.04
Synonym MeOH, Hydroxymethane, Methyl alcohol, Carbinol,Hydroxymethane,Methyl alcohol,Carbinol
Molecular Formula CH4O
19

CombiTitrant 5, Aquastar™, MilliporeSigma™

20

CombiTitrant 5, MilliporeSigma™

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

21

CombiSolvent, AQUASTAR™, MilliporeSigma™

Name Note AQUASTAR™
Chemical Name or Material CombiSolvent
22

Standard, Water, 0.01%, Apura™, MilliporeSigma™

Chemical Name or Material: Standard, Water Name Note: Apura™ Karl Fischer Water Standard; 0.1mg H2O/g Assay Percent Range: 0.01%

Name Note Apura™ Karl Fischer Water Standard; 0.1mg H2O/g
Chemical Name or Material Standard, Water
Assay Percent Range 0.01%
23

Buffer Solution for Strong Bases, ≤ 600 ppm, MilliporeSigma™

Buffer solution for strong bases for Karl Fischer Titration Aquastar™.

24

CombiSolvent Keto, MilliporeSigma™

25

CombiTitrant 1, MilliporeSigma™

26

Titration Solvent, MilliporeSigma™

Solvent for volumetric Karl Fischer titration with two component reagents Aquastar™.

27

CombiSolvent Crude Oils, AQUASTAR, MilliporeSigma™

Name Note AQUASTAR™, Karl Fischer Solvent Crude Oils
Chemical Name or Material CombiSolvent Crude Oils
28

AQUASTAR™ Anhydrous Methanol, MilliporeSigma™

29

Coulomat AK, MilliporeSigma™

30

Solvent Oils and Fats, AQUASTAR™, MilliporeSigma™

Name Note AQUASTAR™, Solvent for volumetric Karl Fischer titration with two component reagents for oils and fats
Chemical Name or Material Solvent Oils and Fats
Synonym Solvent, Karl Fischer Volumetric Titration, Oils and Fats