Health Effects
Hydrogen chloride is an eye, skin and respiratory irritant. Inhalation of ~1500 ppm in air are fatal
RTECS Description: Tumorigen, Mutagen, Reproductive Effector, Primary Irritant
Carcinogenicity: IARC/NTC: Not listed as carcinogenic.
Exposure Limits:
ACGIH: TLV= Ceiling 2 ppm
NIOSH REL 5 ppm
IDLH 50 ppm
OSHA: PEL 5 ppm (29 CFR 1910.1000 Table Z-1)
Steri-Trac® HCl Monitor
Availability: Special Order
Specifications:*
Sensor Type Electrochemical
Range: 0 – 50 ppm
Resolution: 1 ppm
Temp Range: -20 to +50 oC
Response time (t50): <120 s
Properties and Applications:
Hydrogen chloride gas is a colorless corrosive gas that fumes in moist air with a pungent odor. The gas is used in the manufacture of pharmaceutical hydrochlorides, chemical synthesis, chlorinating hydrocarbons and in water as hydrochloric acid.
Physical Properties:
Chemical Formula: HCl
Physical form: Colorless gas
MP: -114 oC
BP: -85
Acidity in water strongly acidic
Odor threshold: 1 ppm
MW: 36.5.0 g/mol
Rel. Gas Density: 1.3 (Air = 1)
Classification Numbers:
CAS No.: 7647-01-0
EC No.: 231-595-7
RTECS: MW4025000
*Specifications subject to change
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