Hydrogen Chloride (HCl)

CAS Number: 7647-01-0
Hydrogen chloride (HCl) is a colorless, corrosive gas that poses serious health risks at elevated concentrations, including respiratory irritation, chemical burns, and lung damage. It is commonly encountered in chemical manufacturing, semiconductor fabrication, metal cleaning, and industrial processing environments. RAECO Rents provides rental instruments to help industrial hygienists and safety professionals monitor HCl exposure and ensure compliance with occupational exposure limits.

Hydrogen chloride (HCl) is a corrosive gas that can cause severe respiratory irritation and chemical burns in industrial and lab environments. Rent HCl detection equipment from RAECO Rents to support leak checks, area monitoring, and exposure assessments in chemical processing, metal cleaning, and other operations where HCl may be present.

Regulatory Exposure Limits

As of March 09, 2026

OSHA PEL
TWA: N/A
STEL: N/A
C: 5 ppm (7 mg/m³)
NIOSH REL
TWA: N/A
STEL: N/A
C: 5 ppm (7 mg/m³)
ACGIH TLV
TWA: N/A
STEL: N/A
C: 2 ppm [2000]
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