hydrogen chloride
CAS No.: 7647-01-0 Formula: ClH Molecular Weight: 36.46090

hydrogen chloride

CAS No.: 7647-01-0 Formula: ClH Molecular Weight: 36.46090
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Description

The compound hydrogen chloride has the chemical formula HCl. At room temperature, it is a colorless gas, which forms white fumes of hydrochloric acid upon contact with atmospheric humidity. Hydrogen chloride gas and hydrochloric acid are important in technology and industry. Hydrochloric acid, the aqueous solution of hydrogen chloride, is also commonly given the formula HCl.

Basic Info

Chemical Name hydrogen chloride
Synonyms

HCL; bowlcleaner; Hydrochloric acid; Marine acid; Itaconic; Salzsaeure; Chlorowodor; Basilin; NA 1789; Expand

CAS No. 7647-01-0
Molecular Formula ClH
Molecular Weight 36.46090
PSA 0.00000
LogP 0.80200

Numbering system

UNII QTT17582CB

Properties

Appearance & Physical State A colorless gas with a sharp, pungent odor.
Density 1.18
Boiling Point 57ºC
Melting Point -35ºC
Flash Point N/A
Water Solubility miscible
Stability Stable. Incompatible with alkalies, most metals. Avoid contact with water.
Storage Condition 2-8ºC
Vapor Density 1.3 (vs air)
Vapor Pressure 613 psi ( 21.1 °C)

Safety Info

RTECS MW4025000
Hazard Class 3
Safety Statements S26-S45
HS Code 2806100000
WGK Germany 2
Packing Group I
RIDADR UN 1789
Risk Statements R34; R37
Hazard Codes C
Caution Statement P261; P280; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338; P403 + P233
Signal Word Danger
Symbol GHS04, GHS05, GHS06
Hazard Declaration H280; H314; H331
GAS (200 mmHg DILUTED TO A TOTAL PRESSURE OF 600 mmHg WITH N2)Expand

IR Spectrum GAS (200 mmHg DILUTED TO A TOTAL PRESSURE OF 600 mmHg WITH N2)

Collapse

State:GAS (200 mmHg DILUTED TO A TOTAL PRESSURE OF 600 mmHg WITH N2)
Instrument:DOW KBr FOREPRISM
Path length:5 CM SPECTRAL CONTAMINATION DUE TO AN UNKNOWNS AROUND 1055, 700 CM-1
Resoulution:4

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