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Sigma-Aldrich Hydrochloric Acid fuming 37%, Emsure® Acs, Iso, Reag. Ph. Eur. For Analysis, Supelco®
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Specifications:
| Application | Organic Synthesis, Analysis | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Liquid |
| Product Brand | Sigma-Aldrich | ||
| Product Grade | Analytical grade | Formula | HCl |
Sigma-Aldrich Hydrochloric Acid, fuming 37%, EMSURE® grade is a high-purity mineral acid formulated to meet the most stringent requirements of analytical and instrumental laboratories. Certified to conform to ACS (American Chemical Society), ISO (International Organization for Standardization), and Reagent Ph. Eur. (European Pharmacopoeia) specifications, this reagent is suitable for general analytical use, trace metal analysis, elemental impurity testing, and critical sample preparation.
This product is part of the EMSURE® product line by Supelco®, representing top-tier quality and consistency for laboratory reagents.
Key Features
- Grade: ACS reagent; meets ISO and Ph. Eur. standards
- Concentration: 37.0–38.0% HCl
- High Purity: Ultra-low trace metal content (≤1 ppm total heavy metals)
- Clarity: APHA color ≤10
- Stability: Shelf-stable under ambient storage (2–30°C)
- Packaging Options: 1 L, 2.5 L, 25 L, and 200 L bulk containers
- Certifications: Supplied with batch-specific Certificate of Analysis
Applications
- Analytical Chemistry: Suitable for titrations, pH adjustments, and general-purpose reactions
- Trace Metal Analysis: Complies with low trace metal limits for ICP, ICP-MS, and AAS applications
- Pharmaceutical Testing: Conforms to Ph. Eur. and ISO guidelines for reagent purity
- Wet Digestion: Frequently used in sample preparation protocols for inorganic material analysis
- Environmental Testing: Used for sample acidification and dissolution in water and soil studies
Typical Specifications
| Property | Value |
|---|---|
| Chemical Formula | HCl |
| CAS Number | 7647-01-0 |
| Molecular Weight | 36.46 g/mol |
| Density (20 °C) | 1.18 g/cm³ |
| Boiling Point | >100 °C |
| Vapor Pressure (20 °C) | 190 hPa |
| pH (in H₂O, 20 °C) | <1 |
| Color (APHA) | ≤10 |
| Residue on Ignition (as SO₄) | ≤3 ppm |
| Free Chlorine (Cl) | ≤0.4 ppm |
| Heavy Metals (as Pb) | ≤1 ppm |
| Fe (Iron) | ≤0.1 ppm |
| Cd, Pb, Cu, Cr, Zn, Ni, etc. | ≤0.01–0.1 ppm (individual limits) |
| Non-volatile Residue | ≤10 ppm |
Safety & Handling
- Hazard Class: Corrosive (GHS05), Irritant (GHS07)
- UN Number: 1789
- ADR Classification: Class 8, Packing Group II
- Storage Temperature: Ambient (2–30°C), tightly sealed and away from incompatible substances
- Handling Precautions: Use in a fume hood. Wear appropriate PPE including gloves, lab coat, and eye protection.
Ordering Information
| Pack Size | Product Code |
|---|---|
| 1 L | 1003171011 |
| 2.5 L | 1003172500 |
| 25 L | 1003179026 |
| 200 L | 1003179200 |
Sigma-Aldrich Hydrochloric Acid, fuming 37%, EMSURE® grade is a premium-quality acid ideal for analytical laboratories requiring high consistency and purity. Its compliance with multiple global standards (ACS, ISO, Ph. Eur.) makes it highly versatile and reliable across diverse sectors including environmental testing, pharma, food safety, and academic research.
- Pack Size: 1L 2.5L 25L 200 L