MERCK Gliserol 85% For Analysis EMSURE

MERCK Glycerol 85% for Analysis EMSURE

MERCK Gliserol 85% For Analysis EMSURE (Cat. No. 1.04094.2500) is a high-purity chemical reagent ideal for various laboratory applications. As part of the EMSURE® product line, this glycerol solution meets the highest standards in analytical quality, conforming to ACS, ISO, and European Pharmacopoeia (Reag. Ph Eur) specifications. This 85% aqueous glycerol solution is formulated for consistent performance, making it a reliable choice for scientific research, industrial analysis, and quality control laboratories.

Key Features

1. High analytical grade
   Complies with ACS, ISO, and Reag. Ph Eur standards to support demanding analytical and laboratory procedures.

2. Precisely defined purity
   Contains 84.5 – 85.5% glycerol content (by GC), ensuring dependable concentration and composition.

3. Wide chemical compatibility
   Low content of aldehydes, heavy metals, sulfates, chlorides, and other impurities for minimized interference in sensitive analyses.

4. Versatile usage
   Suitable for a range of chemical, biochemical, and industrial laboratory applications.

5. Superior clarity and stability
   Passes tests for readily carbonizable substances, esters, sugars, and sulfated ash, affirming its high level of refinement and reliability.

6. Part of Merck’s EMSURE® line
   Produced with strict quality assurance, supporting consistent results across global laboratory environments.

Applications

1. General laboratory reagent
   Commonly used as a solvent, humectant, or viscosity modifier in analytical processes.

2. Pharmaceutical testing
   Suitable for testing in compliance with European Pharmacopoeia standards, particularly in formulations involving polyols.

3. Chemical synthesis
   Acts as a reaction medium in organic synthesis and other controlled chemical reactions.

4. Environmental analysis
   Useful for testing pollutants and in procedures involving environmental sample preparation.

5. Food and beverage labs
   Utilized in tests where glycerol is used as an analytical standard or diluent.

6. Cosmetic and personal care product testing
   Supports analysis of ingredients in regulated personal care formulations.

Product Specifications

• Vapor pressure: 8 hPa at 20°C

• Autoignition temperature: 429°C

• pH: 5 (at 20°C)

• Boiling point: 182°C

• Melting point: -10°C

• Density: 1.252 g/mL at 25°C

• Storage temperature: 5–30°C

Purity & Composition

• Glycerol content (GC): 84.5 – 85.5%

• Alkalimetric after oxidation: 83.5 – 88.5%

• Free alkali (as NH₃): ≤ 0.0005%

• Free acid (as CH₃COOH): ≤ 0.002%

• Water content: 14.5 – 15.5%

• Refractive index (n20/D): 1.449 – 1.455

• Density (d20/4): 1.221 – 1.232 g/cm³

Impurity Limits

• Chloride (Cl): ≤ 0.0001%

• Sulfate (SO₄): ≤ 0.0005%

• Heavy metals (as Pb): ≤ 0.0001%

• Iron (Fe): ≤ 0.0001%

• Ammonium (NH₄): ≤ 0.0005%

• Halogenated compounds (as Cl): ≤ 0.0030%

• Aldehydes: ≤ 10 ppm

• Fatty esters: ≤ 0.05%

• Diethylene glycol impurities: ≤ 0.1% (individual), ≤ 0.5% (total)

• Sulfated ash: ≤ 0.005%

• Passes tests for esters, sugars, and carbonizable substances

Conclusion

MERCK Gliserol 85% For Analysis EMSURE is a premium-grade reagent tailored for high-precision laboratory and analytical use. Whether you are involved in environmental testing, pharmaceutical formulation, food analysis, or chemical synthesis, this product offers unmatched purity, reliability, and consistency. As part of the EMSURE® series, it represents the quality you can trust in any professional laboratory environment.