HYDRANAL™ – Water-in-methanol 5.0 Cat.34802

The HYDRANAL™ – Water-in-Methanol 5.0 is a titrating agent used for volumetric back titration in Karl Fischer titration, designed for precise water determination. It contains 5.00 mg/mL ± 0.05 mg/mL of water in methanol, which is highly reliable for laboratory applications.

Here’s an overview of the key details:

Water-in-methanol 5.0 General Information:

• Brand: Fluka (Honeywell)
• Beilstein Registry Number: 3662861
• CAS Number: 67-56-1 (Methanol)
• EC Number: 200-659-6
• Synonyms: Karl Fischer auxiliary
• Price Range: $32.44 – $384.68 (depending on package size)

Chemical Properties:

• Water Content: 4.95 – 5.05 mg/mL
• Boiling Point: 64-65°C (1.013 hPa)
• Melting Point: -98°C
• Density: 0.79 g/cm³ (at 20°C)
• Vapor Pressure: 128 hPa (at 20°C)
• Flashpoint: 11°C
• Autoignition Temperature: Not auto-flammable
• Viscosity: 0.55 mPa.s (at 25°C)
• Partition Coefficient: -0.71
• Explosion Limits:
  • Lower: 5.5%
  • Upper: 50%
• Form: Liquid
• Solubility: Completely miscible in water
• pH Value: Not applicable
• Incompatible Materials: Oxidizing agents

Water-in-methanol 5.0 Safety Information:

• GHS Classification:
  • GHS02: Flammable
  • GHS08: Health Hazard
• Hazard Class: 3 (Flammable liquids)
• Package Group: II
• UN ID: UN1230 (Methanol)
• Precautionary Statements:
  • Wear protective gloves/clothing/eye protection.
  • Do not eat, drink, or smoke while using.
  • Avoid inhaling fumes/mist/vapors.
  • Take precautions against static discharge.

Storage and Usage:

• Storage Temperature: Ambient
• For Use With: Karl Fischer Titration

This product is primarily used in titration for accurately measuring small amounts of water in a sample, ensuring reliable results in various industries where water content analysis is critical.