Name: Hydrochloric Acid 7647-01-0
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Hydrochloric Acid 7647-01-0

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.

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Chemical Properties Of Hydrochloric Acid 7647-01-0

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 Information Of Hydrochloric Acid 7647-01-0

RTECS	MW4025000
Hazard Class	3
Safety Statements	S26-S45
HS Code	2806100000
Packing Group	I
WGK Germany	2
RIDADR	UN 1789
Risk Statements	R34; R37
Hazard Codes	C
Symbol	GHS04, GHS05, GHS06
Caution Statement	P261; P280; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338; P403 + P233
Hazard Declaration	H280; H314; H331

Product Application Of Hydrochloric Acid 7647-01-0

Hydrochloric acid is one of the most important industrial chemicals and has numerous applications. Both anhydrous hydrogen chloride and aqueous acid are used to produce a large number of chloride salts.
The acid also is a common laboratory reagent. Some major applications of hydrochloric acid include processing of ores and extraction of metals from their minerals; in metal cleaning, particularly in steel pickling to dissolve oxide impurities; production of alumina, titanium dioxide, and other metal oxides by various hydrometallurgical processes; production of hydrogen; synthesis of chlorine dioxide; removal of heavy metal impurities from carbon black; activation of bentonite clays; etching of concrete surfaces for finishing operations; and as a catalyst in several organic reactions such as inversion of sugar, hydrolysis of starch to obtain sugar syrup, and esterification of aromatic acids.
Anhydrous hydrogen chloride gas is used to produce phosphonium chloride, PH4Cl, which is a flame retardant for cotton textiles. Other major applications include manufacture of a number of high purity metal chlorides, ammonium chloride, chlorosulfuric acid; recovery of waste metals; preparation of alkyl chlorides and chloroacetic acids; and as a chlorinating agent in organic syntheses.
Rubber hydrochloride, which results from the treatment of natural rubber with hydrogen chloride, can be cast in film from solutions. Such rubber hydrochloride films provide a strong, water resistant packaging material for meats and other foods, paper products, and textiles.

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