Product Details
- Manufacturer
- Merck
- SKU
- 1.09621.4000
About this product
Ethylene Glycol, EMSURE® Reagent Grade – ≥99.5% Assay
Description
Ethylene Glycol, EMSURE® reagent grade, is a high-purity organic compound commonly used in analytical chemistry, buffer formulations, and laboratory testing workflows. With an assay of ≥99.5% by GC, this grade meets Ph. Eur. and USP reagent standards, ensuring suitability for regulated and precision-sensitive applications.
This colorless liquid exhibits low vapor pressure, high boiling point, and a stable pH (6–7.5 at 100 g/L in water), supporting consistent performance in a broad temperature range. Controlled impurity levels and excellent physical properties—such as narrow refractive index, low APHA color rating, and minimal chloride and formaldehyde content—make this an excellent choice for analytical testing, dilution of reagents, and as a precursor in synthetic and biochemical studies.
Key Features:
-
Reagent grade quality (EMSURE®) for analytical and laboratory use
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Assay ≥99.5% (GC) with strict control of trace impurities
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Complies with Ph. Eur. and USP reagent standards
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Liquid form, colorless (APHA ≤10) for high-visibility workflows
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Stable at 2–30 °C, with a boiling point of 197.6 °C
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Autoignition temperature: 410 °C | Flash point: 111 °C
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Safe and consistent dilution for analytical testing
Specifications
| Property | Value |
|---|---|
| Grade | Reagent grade |
| Quality Level | 300 |
| Product Line | EMSURE® |
| Agency Compliance | Reag. Ph. Eur., Reag. USP |
| Assay (GC) | ≥99.5% |
| Form | Liquid |
| Color (APHA) | ≤10 |
| pH (20 °C, 100 g/L in H₂O) | 6.0–7.5 |
| Refractive Index (n20/D) | 1.431–1.433 |
| Boiling Point | 197.6 °C (1013 hPa) |
| Melting Point | –14 to –10 °C |
| Flash Point | 111 °C |
| Autoignition Temperature | 410 °C |
| Explosive Limits (v/v) | 3.2–15.3% |
| Density (20 °C) | 1.11 g/cm³ |
| Vapor Pressure (20 °C) | 0.053 hPa |
| Storage Temperature | 2–30 °C |
| Cation Traces (Fe) | ≤0.00005% |
| Chloride (Cl) | ≤0.00002% |
| Reducing Substances (as O) | ≤0.0003% |
| Acidity (as CH₃COOH) | ≤0.001% |
| Formaldehyde | ≤0.005% |
| SMILES | OCCO |
| InChI | 1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2 |
| InChI Key | LYCAIKOWRPUZTN-UHFFFAOYSA-N |
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