34741 HYDRANAL – Methanol dry Capacity 1 Liter, Honeywell Fluka
34741 HYDRANAL – Methanol dry Capacity 1 Liter
HYDRANAL™ – Methanol dry
Medium for volumetric one-component Karl Fischer titration
Synonym(s)
Karl Fischer medium
Specifications
| Property | Value |
|---|---|
| suitability (for KF-titration) | test passed |
Properties
| Property | Value |
|---|---|
| Autoignition Temperature | Not auto-flammable |
| Boiling Point/Range | 64-65 °C (1.013 hPa) |
| Color | Colorless |
| Density | 0.79 g/cm3 (20 °C) |
| Flashpoint | 11 °C |
| For Use With (Equipment) | KF Titration |
| Form | Liquid |
| Grade | Volumetric One-Component KF Titration |
| Incompatible Materials | Oxidizing agents |
| Lower Explosion Limit | 5.5 %(V) |
| Melting Point/Range | -98 °C |
| Partition Coefficient | -0.71 |
| Solubility in Water | Completely miscible |
| Upper Explosion Limit | 50 %(V) |
| Vapor Pressure | 532 hPa (50 °C) |
| Viscosity | 0.55 mPa.s (25 °C) |
| pH-Value | Not applicable |
| Product Line | Hydranal™ |
| Storage Temperature | Ambient |
HYDRANAL – Methanol dry is methanol that has been specially dried to remove moisture, resulting in an extremely low water content. It is commonly used as a solvent in applications that require anhydrous (water-free) conditions, including:
-
Karl Fischer titration, a chemical analysis method used to determine trace amounts of water in samples.
-
Water-sensitive chemical synthesis, where the presence of moisture can interfere with reactions or reduce product yield.
-
Formulation of chemical reagents, particularly those that are sensitive to humidity.
HYDRANAL is a well-known trademark in the field of Karl Fischer reagents, and their “Methanol dry” product is formulated to ensure high accuracy and consistency in moisture determination.
The use of dry methanol provides more accurate and reliable measurement results, as there is no interference from water content in the methanol used as the medium.
The Karl Fischer method using HYDRANAL reagents offers advantages in terms of sensitivity and specificity toward free water present in a sample. This makes the method suitable for a wide variety of sample types, whether they contain high or low levels of water.
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