Hydrochloric Acid, ≥37%, ACS Reagent, Puriss. p.a., Reag. ISO, Reag. Ph. Eur., Fuming, APHA ≤10 - 1L

SKU: 30721-1L
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For laboratory, institutional, and professional use only. Not available for residential or personal purchase. Orders are subject to verification.

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Hydrochloric acid (HCl) is a high-purity, fuming mineral acid supplied at ≥37% concentration. This grade meets ACS reagent specifications and complies with ISO and Ph. Eur. standards, making it suitable for analytical, pharmaceutical, environmental, and industrial laboratory applications.

This reagent-grade hydrochloric acid features low impurity levels, controlled APHA color (≤10), and trace metal specifications suitable for high-precision analytical workflows. Common applications include pH adjustment, acid digestion, sample preparation, titration, inorganic synthesis, and trace analysis.

Chemical Name: Hydrochloric acid
Empirical Formula: HCl
CAS Number: 7647-01-0
Molecular Weight: 36.46 g/mol
Assay: ≥37%
Grade: ACS reagent, puriss. p.a.
Compliance: ISO, Ph. Eur., USP/NF
Form: Liquid (fuming)
EC Number: 231-595-7
MDL Number: MFCD00011324
NACRES: NA.21
PubChem ID: 329753568

Specifications

Hydrochloric Acid, ≥37%

• Assay: ≥37%
• Form: Liquid (fuming)
• Grade: ACS reagent, puriss. p.a.
• Agency Compliance: USP/NF, ISO, Ph. Eur.
• Color: APHA ≤10
• Density: 1.18 g/mL at 20 °C
• Vapor Pressure:
 – 3.23 psi at 21.1 °C
 – 7.93 psi at 37.7 °C
• Boiling Point: >100 °C
• Ignition Residue: ≤0.0005% (as SO₄)
• Free Chlorine: ≤0.00005%
• Ammonium (NH₄): ≤0.0001%
• Non-Volatile Matter: ≤0.005%
• Heavy Metals: ≤1 ppm (ICP-OES)
• Quality Level: 200

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