Hydrochloric Acid CP-36%

Hydrochloric Acid CP-36%

CAS Number: 7647‑01‑0

Synonyms: Hydrochloric acid; Muriatic acid; Hydrogen chloride solution; CP‑36% HCl

Chemical Formula:HCl (aq)

Molecular Weight:36.46 g/mol

Product Introduction

A colorless to slightly yellow fuming liquid, standardized at ~36 wt % HCl (aka CP‑36). It’s a strong mineral acid widely used in industrial, lab, and food-grade applications such as pH control, metal pickling, chemical synthesis, cleaning, and food processing.

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Physical & Chemical Properties

Property Value
Appearance Colorless to pale yellow fuming liquid
Odor Pungent and irritating
Density @ 20 °C ~1.18–1.19 g/mL
Melting/Freezing Point ~–27 °C
Boiling Point ~83–108 °C (varies with grade)
Vapor Pressure @ 20 °C ~14–20 kPa (around 110–190 hPa)
Vapor Density Heavier than air (~1.3)
Solubility Miscible with water and organics
pH <1

Applications

  • Metal pickling (steel, stainless)
  • pH regulation in water treatment and food processing
  • Chemical manufacturing (chlorides, PVC, dyes)
  • Cleaning & descaling agents

Safety Note:

  • Corrosive, fuming; OSHA PEL 5 ppm (TWA), NIOSH Ceiling 2 ppm; Requires full PPE and fume hood usage.

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