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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Filtered Search Results
CombiMethanol Solvent, MilliporeSigma™
CombiMethanol Solvent for volumetric Karl Fischer titration with one component reagents max. 0.01% H2O Aquastar™.
| Boiling Point | 64.5°C (1013 hPa) |
|---|---|
| CAS | 67-56-1 |
| Molecular Weight (g/mol) | 32.04 |
| Packaging | Glass Bottle |
| Flash Point | 9.7°C |
| Synonym | MeOH, Hydroxymethane, Methyl alcohol, Carbinol,Hydroxymethane,Methyl alcohol,Carbinol |
| Recommended Storage | Store at 15 to 25°C |
| Molecular Formula | CH4O |
| Density | 0.792 g/cm3 (at 20°C) |
| Melting Point | −98°C |
| Synonym | Coulometric Single Solution |
|---|
| Name Note | Karl Fischer Reagent |
|---|---|
| CAS | 7446-09-5 |
| MDL Number | 81734 |
| Packaging | Amber glass bottle |
| Physical Form | Liquid |
| DOT Information | DOT Class 3, : Flammable Liquid |
| Chemical Name or Material | Aqualine™ Solvent CM |
| Cleanup Symbol | Solvent |
| ChemAlert Storage Symbol | Red |
Karl Fischer Aqualine™ Sodium Tartrate-2H2O, for Karl Fischer Titration, Fisher Chemical
Molecular Formula: C4H8Na2O8 Molecular Weight (g/mol): 230.08 MDL Number: MFCD00150035 InChI Key: FGJLAJMGHXGFDE-UDMGOBQRNA-L PubChem CID: 131855972 IUPAC Name: (2R,3R)-2,3-dihydroxybutanedioic acid;sodium;dihydrate SMILES: O.O.[Na+].[Na+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O
| PubChem CID | 131855972 |
|---|---|
| Molecular Weight (g/mol) | 230.08 |
| MDL Number | MFCD00150035 |
| SMILES | O.O.[Na+].[Na+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O |
| IUPAC Name | (2R,3R)-2,3-dihydroxybutanedioic acid;sodium;dihydrate |
| InChI Key | FGJLAJMGHXGFDE-UDMGOBQRNA-L |
| Molecular Formula | C4H8Na2O8 |
Sodium Tartrate Dihydrate, Apura™, MilliporeSigma™
Molecular Formula: C4H8Na2O8 Molecular Weight (g/mol): 230.08 MDL Number: MFCD00150035 InChI Key: FGJLAJMGHXGFDE-UDMGOBQRNA-L Synonym: di-Sodium Tartrate Dihydrate PubChem CID: 131855972 IUPAC Name: disodium (2R,3R)-2,3-dihydroxybutanedioate dihydrate SMILES: O.O.[Na+].[Na+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O
| PubChem CID | 131855972 |
|---|---|
| Molecular Weight (g/mol) | 230.08 |
| MDL Number | MFCD00150035 |
| SMILES | O.O.[Na+].[Na+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O |
| Synonym | di-Sodium Tartrate Dihydrate |
| IUPAC Name | disodium (2R,3R)-2,3-dihydroxybutanedioate dihydrate |
| InChI Key | FGJLAJMGHXGFDE-UDMGOBQRNA-L |
| Molecular Formula | C4H8Na2O8 |
Titrant 5, MilliporeSigma™
Titrant 5 titrant for volumetric Karl Fischer titration with two component reagents H2O Aquastar™.
Buffer Solution for Strong Acids, ≤ 200 ppm, MilliporeSigma™
Buffer solution for strong acids for Karl Fischer Titration Aquastar™.
CombiTitrant 5, MilliporeSigma™
CombiTitrant 5 one-component reagent for volumetric Karl Fischer titration H2O Aquastar™.
HYDRANAL™ - NEXTGEN Coulomat AG-FI, Solstice
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) |
HYDRANAL™-Solvent CM, Medium for volumetric two-component Karl Fischer titration in non-polar substances, fats and oils (chloroform-methanol-based), Solstice
Molecular Formula: C3H4N2 Molecular Weight (g/mol): 68.08 MDL Number: MFCD00005183 InChI Key: RAXXELZNTBOGNW-UHFFFAOYSA-N IUPAC Name: 1H-imidazole SMILES: N1C=CN=C1
| Molecular Weight (g/mol) | 68.08 |
|---|---|
| MDL Number | MFCD00005183 |
| SMILES | N1C=CN=C1 |
| IUPAC Name | 1H-imidazole |
| InChI Key | RAXXELZNTBOGNW-UHFFFAOYSA-N |
| Molecular Formula | C3H4N2 |