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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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76 – 90 of 375 results
76

HYDRANAL™ - NEXTGEN Solvent FI, Solstice

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%
77

HYDRANAL™-Methanol Rapid, Medium for accelerated volumetric one-component Karl Fischer titration, Solstice

Molecular Formula: CH4O Molecular Weight (g/mol): 32.04 MDL Number: MFCD00004595 InChI Key: OKKJLVBELUTLKV-UHFFFAOYSA-N IUPAC Name: methanol SMILES: CO

Molecular Weight (g/mol) 32.04
MDL Number MFCD00004595
SMILES CO
IUPAC Name methanol
InChI Key OKKJLVBELUTLKV-UHFFFAOYSA-N
Molecular Formula CH4O
79

MilliporeSigma CombiTitrant 5 Keto

One component reagent for volumetric Karl Fischer titration for aldehydes and ketones

80

Lactose Standard 5%, Apura™ MilliporeSigma™

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
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
81

HYDRANAL™-Solvent, Medium for volumetric two-component Karl Fischer titration (methanol-based), Solstice

Molecular Formula: O2S Molecular Weight (g/mol): 64.06 InChI Key: RAHZWNYVWXNFOC-UHFFFAOYSA-N IUPAC Name: (oxo-λ⁴-sulfanylidene)oxidane SMILES: O=S=O

Molecular Weight (g/mol) 64.06
SMILES O=S=O
IUPAC Name (oxo-λ⁴-sulfanylidene)oxidane
InChI Key RAHZWNYVWXNFOC-UHFFFAOYSA-N
Molecular Formula O2S
83

HYDRANAL™ - NEXTGEN Solvent E-FI, Solstice

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
85

Sodium Tartrate, Dihydrate, Crystal, BAKER ANALYZED™ A.C.S. Reagent, J.T. Baker™

Molecular Formula: C4H8Na2O8 Molecular Weight (g/mol): 230.08 MDL Number: MFCD00150035 InChI Key: FGJLAJMGHXGFDE-UDMGOBQRNA-L PubChem CID: 131855972 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
InChI Key FGJLAJMGHXGFDE-UDMGOBQRNA-L
Molecular Formula C4H8Na2O8
87

HydroSpec™ Coulometric AH, Ricca Chemical

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

CAS 288-32-4
Packaging Amber Glass Bottle
Physical Form Liquid
CAS Min % 30
UN Number UN1230
Chemical Name or Material Coulometric AH
Grade Karl Fischer
Specific Gravity 0.93
CAS Max % 10
88

Diethylene Glycol Monoethyl Ether 99.0+%, TCI America™

Molecular Formula: C6H14O3 Molecular Weight (g/mol): 134.175 MDL Number: MFCD00002872 InChI Key: XXJWXESWEXIICW-UHFFFAOYSA-N Synonym: Carbitol, 2-(2-Ethoxyethoxy)ethanol PubChem CID: 8146 ChEBI: CHEBI:40572 IUPAC Name: 2-(2-ethoxyethoxy)ethanol SMILES: CCOCCOCCO

PubChem CID 8146
Molecular Weight (g/mol) 134.175
ChEBI CHEBI:40572
MDL Number MFCD00002872
SMILES CCOCCOCCO
Synonym Carbitol, 2-(2-Ethoxyethoxy)ethanol
IUPAC Name 2-(2-ethoxyethoxy)ethanol
InChI Key XXJWXESWEXIICW-UHFFFAOYSA-N
Molecular Formula C6H14O3
89

HydroSpec™ Solvent, Ricca Chemical

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

CAS 67-56-1
Packaging Amber Glass Bottle
Physical Form Liquid
CAS Min % 10
UN Number UN1230
Chemical Name or Material Solvent
Grade Karl Fischer
Specific Gravity 0.91
CAS Max % 10
90

HydroSpec™ Titrant T2, Ricca Chemical

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

CAS 7553-56-2
Packaging Amber Glass Bottle
Physical Form Liquid
CAS Min % 1
UN Number UN1230
Specific Gravity 0.89
CAS Max % 5