Hydrochloric Acid PA GRADE 35-37%

HYDROCHLORIC ACID, ANALYTICAL GRADE 35–37%

Other Names: Hydrochloric acid, Hydrogen chloride solution, Hydrochloric acid analytical grade, Aqueous hydrogen chloride

CAS Number: 7647-01-0
Sum Formula: HCl
Molar Mass: 36.46 g/mol
Appearance: Clear, colorless liquid

Hydrochloric acid analytical grade 35–37% is a purified aqueous solution of hydrogen chloride intended for laboratory and analytical applications. The product has a defined purity level and can be used as a reagent in chemical analysis, solution preparation, pH adjustment and laboratory synthesis where a higher reagent quality is required compared with technical grade material.

Chemical and Physical Properties

Concentration: 35–37% HCl
Density: approx. 1.18–1.19 g/cm³
Melting Point: depends on solution concentration
Boiling Point: depends on solution concentration
Solubility in Water: Fully miscible
Odor: Pungent, irritating
Chemical Character: Strong inorganic acid, corrosive substance
Grade: Analytical grade

Applications

Chemical Analysis: Used as a reagent in qualitative and quantitative analysis.

Solution Preparation: Applied for preparing acidic solutions of defined concentration.

pH Adjustment: Used for precise pH correction in laboratory procedures.

Laboratory Synthesis: Acts as a source of H⁺ ions and as an acidic reagent in chemical reactions.

Sample Preparation: Used in digestion, dissolution and preparation of samples for further analysis.

Safety

Strongly corrosive product. Causes severe skin burns and eye damage. Hydrogen chloride vapors may irritate the respiratory tract. Use in a well-ventilated area, preferably under a fume hood, with appropriate personal protective equipment.

Handling & Storage

Store in the original tightly closed acid-resistant container. Keep in a cool, dry and well-ventilated place. Protect from bases, reactive metals, oxidizing agents and chemically incompatible substances. Avoid inhalation of vapors and contact with skin and eyes.