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Hydrochloric acid (hydrochloric acid) chemical purity 37%(CAS#7647-01-0) Featured Image
  • Hydrochloric acid (hydrochloric acid) chemical purity 37%(CAS#7647-01-0) 1

Hydrochloric acid (hydrochloric acid) chemical purity 37%(CAS#7647-01-0)

Chemical Property:

I. Basic Physical and Chemical Information
Core Identification: Molecular formula HCl, molecular weight 36.46, EINECS No. 231-595-7, classified as a strongly corrosive inorganic strong acid.
Physical Properties: At 20°C, it is a colorless transparent fuming liquid with a pungent odor, fully miscible with water and ethanol; 37% concentrated hydrochloric acid has a density of approximately 1.2 g/cm³, a boiling point of 110°C, a melting point of -30°C, a vapor pressure of 225 hPa at 20°C, and a pH value below 1.


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Safety Data Information
Hazard Characteristics: Highly corrosive, causes burns to skin and eyes, irritates the respiratory tract; releases highly toxic hydrogen cyanide gas when in contact with cyanides, and emits irritating fumes when heated.
Safe Operation: Operate in a closed system with enhanced ventilation. Personnel must wear full-face respirators, acid-alkali resistant gloves and protective clothing, keep away from flammable materials, and avoid contact with alkalis and active metal powders.
Emergency Handling: Immediately flush eyes with plenty of water and seek medical attention after exposure. For spills, contain with inert materials such as sand; do not directly spray with water to avoid spreading.
Storage & Transportation Requirements: Store in a cool, ventilated warehouse with temperature not exceeding 30°C, separated from alkalis, metal powders and cyanides. Avoid direct sunlight and rain during transport, and never ship together with food-grade chemicals.

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