hydrogen chloride

CAS No. 7647-01-0

Formula: ClH
Basic Info

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.

Formula
ClH
Molecular Weight
36.4609
Exact Mass
35.9767
LogP
0.802
PSA
0
Synonyms

HCL

bowlcleaner

Hydrochloric acid

Marine acid

Itaconic

Salzsaeure

Chlorowodor

Basilin

NA 1789

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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
Safety Statements
S26-S45
WGK Germany
2
Risk Statements
R34; R37
HS Code
2806100000
RIDADR
UN 1789
Hazard Class
3
Packing Group
I
Caution Statement
P261; P280; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338; P403 + P233
Hazard Codes
Hazard Declaration
Spectrum
IR Spectrum GAS (200 mmHg DILUTED TO A TOTAL PRESSURE OF 600 mmHg WITH N2)
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PRODUCTS
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SUPPLIERS
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BRANDING
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