Hydrochloric Acid 37%, ACS Reagent Grade | CAS 7647-01-0

Hydrochloric Acid, 37%, ACS Reagent Grade -4x100mL

SKU: 258148-4X100ML
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Hydrochloric Acid, 37%, ACS Reagent Grade is a high-purity mineral acid solution meeting American Chemical Society (ACS) specifications. With assay between 36.5–38.0%, this reagent-grade hydrochloric acid is suitable for analytical testing, sample preparation, inorganic synthesis, and general laboratory use.

Manufactured to controlled impurity limits, including low free chlorine and trace metal specifications, this solution supports applications in environmental analysis, food and beverage testing, academic research, and regulatory laboratories. Supplied as a clear, colorless liquid, it conforms to established quality standards for consistency and performance.

Chemical Name: Hydrochloric Acid
Empirical Formula: HCl
CAS Number: 7647-01-0
Molecular Weight: 36.46 g/mol
Grade: ACS Reagent
Assay: 36.5–38.0% (ACS specification), nominal 37%
EC Number: 231-595-7
MDL Number: MFCD00011324
NACRES: NA.21
PubChem ID: 329752827

Specifications

Hydrochloric Acid, 37%, ACS Reagent Grade

• Assay: 36.5–38.0% (ACS specification), 37% nominal
• Form: Liquid
• Grade: ACS reagent
• Quality Level: 200
• Vapor Pressure:
 – 3.23 psi at 21.1 °C
 – 7.93 psi at 37.7 °C
• Density: 1.18 g/mL at 20 °C
• pH: <1
• Boiling Point: >100 °C (lit.)
• Color: APHA ≤10; free from suspended matter or sediment
• Free Chlorine: ≤1 ppm
• Ignition Residue: ≤5 ppm
• Anion Traces:
 – Bromide (Br⁻): ≤0.005%
 – Sulfate (SO₄²⁻): ≤1 ppm
 – Sulfite (SO₃²⁻): ≤1 ppm
• Cation Traces:
 – Arsenic (As): ≤0.01 ppm
 – Iron (Fe): ≤0.2 ppm
 – Ammonium (NH₄⁺): ≤3 ppm
 – Heavy Metals (by ICP): ≤1 ppm
• Solubility: Miscible with water
• Storage Temperature: Room temperature

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