HYDRANAL Water in methanol 5.0 cat 34802

HYDRANAL Water in Methanol 5.0 – Catalog 34802, 1 Liter

Product Description

HYDRANAL Water in Methanol 5.0 (Cat. 34802) is a high-precision standard solution formulated for use in Karl Fischer (KF) titration. With a tightly controlled water content of 4.95 to 5.05 mg/mL, this reagent serves as a reliable reference for calibrating both volumetric and coulometric KF titration systems. It is colorless, methanol-based, and fully miscible in water, offering consistent results across a wide range of laboratory applications. Manufactured under the Hydranal™ brand, it ensures dependable accuracy and reproducibility in moisture determination.

Features

1. Accurate water concentration
   Contains a certified water content of 4.95–5.05 mg/mL, ideal for calibration and system validation in moisture analysis.

2. Ready-to-use formulation
   Provided in liquid form for direct application in Karl Fischer titration procedures, reducing preparation time and error.

3. Compatible with volumetric and coulometric systems
   Designed for seamless use with all major KF titration equipment types.

4. High purity and stability
   Delivers consistent, long-term performance under ambient storage conditions.

5. Easy handling and miscibility
   Fully miscible with water and other titration media, simplifying standardization processes.

6. Safe storage requirements
   Requires no refrigeration and remains stable at room temperature, with proper safety precautions.

Applications

• Calibration and verification of Karl Fischer titrators

• Moisture content testing in pharmaceutical and biotech products

• Water analysis in petrochemical substances like fuels and solvents

• Quality control in food and beverage industries

• Moisture determination in polymers and plastic materials

• Research and development in chemical laboratories

Specifications

Water content: 4.95 – 5.05 mg/mL
Form: Liquid
Color: Colorless
Density: 0.79 g/cm³ at 20°C
Boiling point: 64–65°C (1.013 hPa)
Melting point: -98°C
Flashpoint: 11°C
Vapor pressure: 128 hPa (20°C)
Viscosity: 0.55 mPa.s (25°C)
Solubility in water: Completely miscible
Partition coefficient: -0.71
Lower explosion limit: 5.5% (v/v)
Upper explosion limit: 50% (v/v)
pH value: Not applicable
Autoignition temperature: Not auto-flammable
Incompatible materials: Oxidizing agents
Grade: Auxiliaries for KF Titration
Storage temperature: Ambient
Product line: Hydranal™
Hazard class: 3 (Flammable liquid)
Packaging group: II
UN ID: UN1230

Conclusion

HYDRANAL Water in Methanol 5.0 (34802) is an essential solution for accurate and repeatable moisture determination using Karl Fischer titration. Its verified concentration, ease of use, and compatibility with different titration systems make it a dependable choice for laboratories focused on quality control, regulatory compliance, and analytical precision. Suitable for industries including pharmaceuticals, chemicals, food, and materials science, it supports high standards of measurement in daily lab operations.