Hydrochloric acid, pure, fuming, 37%

Chemical Profile

• CAS Number: 7647-01-0

• Chemical Formula: HCl

• Concentration: 37% w/w

• Molecular Weight: 36.46 g/mol

• Density: Approximately 1.18–1.19 g/cm³ at 20 °C

• Boiling Point: ~57 °C

• Melting Point: ~–35 °C

• Vapor Pressure: ~190 hPa at 20 °C

• Appearance: Clear, colorless to slightly yellow liquid with a pungent odor

• Solubility: Miscible with water; soluble in alcohol, benzene, and ether; insoluble in hydrocarbons

Applications

• Analytical Chemistry: Used in titrations and sample digestion.

• Industrial Manufacturing: Essential in producing chlorides, fertilizers, and dyes.

• Metal Processing: Employed in pickling operations to remove rust or scale.

• Laboratory Reagent: Commonly used for pH control and as a catalyst in organic reactions.

 Safety and Handling

• Hazards: Corrosive to skin, eyes, and mucous membranes; emits toxic fumes.

• Precautions: Use appropriate personal protective equipment (PPE), including gloves, goggles, and lab coats.

• Storage: Store in a cool, well-ventilated area away from incompatible substances like oxidizers and bases.

• First Aid: In case of contact, rinse affected area with plenty of water and seek medical attention.

Availability

Hydrochloric acid, pure, fuming, 37% is available from various suppliers:

• Thermo Scientific: Offered in 2.5 L glass bottles.

• Merck Millipore: Provides ACS, ISO, Reag. Ph Eur grade suitable for analytical purposes.

• Sigma-Aldrich: Supplies ACS reagent grade with high purity.

For procurement in Uganda, it's advisable to contact local laboratory supply companies or authorized distributors to check for availability and import regulations.