HYDRANAL 34741 Methanol Dry Fluka

HYDRANAL Methanol Dry Fluka 34741

HYDRANAL Methanol Dry Fluka 34741 is a high-purity methanol solvent formulated for volumetric one-component Karl Fischer titration. This reagent functions as a reliable Karl Fischer medium for accurate water content analysis in laboratories that require consistent and precise moisture determination. It is suitable for quality control, analytical testing, and routine laboratory applications involving Karl Fischer titration systems.

Key Features

This product is specifically developed for one-component volumetric Karl Fischer titration. Its high purity helps support dependable moisture analysis across a wide range of laboratory samples. HYDRANAL Methanol Dry is commonly used as a Karl Fischer medium and is compatible with KF titration equipment.

Product Information

Methanol Dry is also known as Karl Fischer medium. It has a molar mass of 32.04 g/mol, CAS number 67-56-1, EC number 200-659-6, MDL number MFCD00004595, and Beilstein Registry Number 1098229.

Specification

The product has passed the suitability test for KF titration, confirming its use in moisture determination procedures.

Physical and Chemical Properties

HYDRANAL Methanol Dry is a colorless liquid with a density of 0.79 g/cm³ at 20 °C. It has a boiling point range of 64–65 °C at 1.013 hPa and a melting point of -98 °C. The flash point is 11 °C, while the autoignition property is listed as not auto-flammable. The solvent is completely miscible in water and has a viscosity of 0.55 mPa·s at 25 °C. Its vapor pressure reaches 532 hPa at 50 °C. The lower explosion limit is 5.5% by volume, and the upper explosion limit is 50% by volume. The partition coefficient is -0.71, and the pH value is not applicable.

Compatibility and Storage

This reagent is intended for use with Karl Fischer titration equipment. It should not be used with oxidizing agents. The recommended storage condition is at ambient temperature.

Safety Information

HYDRANAL Methanol Dry Fluka 34741 carries GHS classifications GHS02 (Flammable), GHS06 (Toxic), and GHS08 (Health Hazard). Users should avoid breathing dust, fumes, gas, mist, vapors, or spray. Protective gloves, protective clothing, eye protection, and face protection should be worn during handling. Respiratory protection is recommended if ventilation is insufficient. The product falls under Hazard Class 3, Package Group II, and has UN ID UN1230.