E507 HYDROCHLORIC ACID

E507 Hydrochloric acid is an inorganic strong acid composed of hydrogen chloride dissolved in water (HCl in aqueous solution).
E507 Hydrochloric acid is used mainly as an acidity regulator and processing aid in food, pharmaceuticals, and industrial applications.
E507 Hydrochloric acid is also naturally presen in the human stomach as gastric acid.

CAS Number: 119357-36-7
Molecular Formula: HCl
Molecular Weight: 305.42
EINECS Number: 231-595-7

Synonyms: E507 Hydrochloric acid, hydrogen chloride, 7647-01-0, Muriatic acid, chlorane, Chlorohydric acid, Anhydrous E507 Hydrochloric acid, Acide chlorhydrique, Chlorwasserstoff, Muriaticum acidum, Chloorwaterstof, Chlorowodor, Hydrogen chloride (HCl), Acido cloridrico, Aqueous hydrogen chloride, chlorure d'hydrogene, Baume hcl, Icon etch, Acido clorhidrico, Enplate po 236, Anhydrous hydrogen chloride, Chlorure d'hydrogene anhydre, Cloruro de hidrogeno anhidro, E507 Hydrochloric acid, anhydrous, NSC-77365, cloruro de hidrogeno, Acidum hydrochloricum, EPA Pesticide Chemical Code 045901, INS NO.507, QTT17582CB, DTXSID2020711, CHEBI:17883, INS-507, E-507, Acid, Muriatic, Chloride, Hydrogen, Acidum Muriaticum, HEMMORHOIDS, RefChem:6646, 231-595-7, DTXCID20711, 933-977-5, Acid, Hydrochloric, E507 Hydrochloric acid [JAN], E507 Hydrochloric acid gas, Marine acid, NSC 77365, Hydrogen chloride (acid), [HCl], MFCD00011324, HCl, hydrochloricacid, Deuterium-chloride, E507, Bowl Cleaner, 4-D Bowl Sanitizer, Chlorowodor [Polish], Emulsion Bowl Cleaner, Caswell No. 486, Hydrogenchlorid, Tetranectin, Chloorwaterstof [Dutch], Rededronatesodium, Chlorwasserstoff [German], Hydrogen Chloride - Methanol Reagent, E507 Hydrochloric acid, ACS reagent, 37%, UN 1050 (anhydrous), mono hydrochloride, Acido cloridrico [Italian], White Emulsion Bowl Cleaner, Acido clorhidrico [Spanish], Acide chlorhydrique [French], Dowexsbr-c cl form, Hydrogen chloride (gas only), Chlorure d'hydrogene [French], Chloruro de hidrogeno, HSDB 545, Chloruro de hidrogeno [Spanish], Hygeia Creme Magic Bowl Cleaner, Percleen Bowl and Urinal Cleaner, EINECS 231-595-7, UN1050, UN1789, UN2186, Efegatran sulfate anhydrous, 3,4-Ethylenedioxothiophene, Chlorure d'hydrogene anhydre [French], Cloruro de hidrogeno anhidro [Spanish], UN 2186 (refrigerated liquefied gas), chlorum, hydochloride, hydrochlorie, hydrochoride, hydrocloride, organochloride, organochlorides, UNII-QTT17582CB, Lamotrigene, Salzsaeure, Funoran, E507 Hydrochloric acid [JAN:NF], chloridohydrogen, hydro chloride, hydro-chloride, hydrogenchloride, Soldering acid, chlorhydric acid, diallylamine.hcl, hydochloric acid, hydogen chloride, hydrochoric acid, hydrocloric acid, hydrogen chlorid, hydrogen choride, hydrogen cloride, hyrochloric acid, hyrogen chloride, Liriopesides-B, Poly(styrene-co-maleic acid), partial isobutyl/methyl mixed ester, AescinIIB, hvdrochloric acid, hvdrogen chloride, E507 Hydrochloric acid, hydrochioric acid, hydrochloric aicd, hydrochloric-acid, hydrogen-chloride, hyrdochloric acid, Hydrochloric ccid, E507 Hydrochloric acid; Hydrogen Chloride; Muriatic Acid; Chlorohydric Acid, Wasserstoffchlorid, monohydro-chloride, Sibiricose-A6, hydrogen ch1oride, hydro chloric acid, hydro-chloric acid, hydrochloric ac id, Hydrogen chloride, 4M in dioxane, Acroleindithylacetal, Balsam Fir Canada, Varley's Ocean Blue Scented Toilet Bowl Cleaner, Solvent Blue 43, Zircaloy(c,N,o), 2-Butenedioicacid(Z)-, monomethylester, polymer withethenylbenzene, 2,5-furandione and (Z)-2-methylpropylhydrogen2-butenedioate; POLY(STYRENE-CO-MALEIC ACID), PARTIAL ISOBUTYL/METHYL MIXED ESTER; hydro- chloric acid, Poly(p-oxybenzoate), c-Peptide 1(rat), AMMODYTOXIN, Acid chrome brown ke, 1M E507 Hydrochloric acid, 2M E507 Hydrochloric acid, 6M E507 Hydrochloric acid, E507 Hydrochloric acid R1, (+)-Cis-Chlordane, (d)-Dimethyltartarate, chloroorganic compounds, Iodomethylmethylsulfide, organochloride compound, ent-Dapoxetine;(alphaR)-N,N-Dimethyl-alpha-[2-(1-naphthalenyloxy)ethyl]benzenemethanamine;(R)-N,N-dimethyl-3-(naphthalen-1-yloxy)-1-phenylpropan-1-amine hydrochloride;(R)-N,N-dimethyl-3-(naphthalen-1-yloxy);Benzenemethanamine, N,N-dimethyl-α-[2-(1-naphthalenyloxy)ethyl]-, (αR)-;Hydrochloric;Dapoxetine Related Compound E;(R)-Dapoxetine

E507 Hydrochloric acid consists of hydrogen ions (H⁺) and chloride ions (Cl⁻) in water.
E507 Hydrochloric acid is a strong acid, meaning it fully dissociates in aqueous solution.
This gives it very high reactivity and corrosive properties.

E507 Hydrochloric acid is a clear, colorless liquid with a sharp, pungent odor (from hydrogen chloride gas).
It is highly soluble in water and releases heat when diluted.
E507 Hydrochloric acid is strongly acidic.

E507 Hydrochloric acid is used as an acidity regulator in food processing.
E507 Hydrochloric acid helps adjust and control pH during manufacturing of food products.
This improves process stability.

E507 Hydrochloric acid functions as a processing aid in food production, such as in gelatin, hydrolyzed proteins, and sugar refining.
It helps break down or modify raw materials chemically.
E507 Hydrochloric acid improves production efficiency.

E507 Hydrochloric acid is widely used in chemical manufacturing, where it serves as a key raw material for producing chlorides and other compounds.
E507 Hydrochloric acid is essential in many industrial reactions.
This supports large-scale chemical processes.

E507 Hydrochloric acid is used in laboratory chemistry, where it serves as a strong acid for titrations and reactions.
It provides precise pH control in experiments.
This improves analytical accuracy.

E507 Hydrochloric acid is best described as a strong inorganic acid used mainly for pH control, processing, and chemical manufacturing due to its high reactivity and complete ionization in water.
E507 Hydrochloric acid is a corrosive, toxic, inorganic, strongly acidic, aqueous solution of completely ionized hydrogen chloride. 
E507 Hydrochloric acid is used in organic and inorganic compound production, as a reagent in reactions and sample preparation, in pH control, etc.

E507 Hydrochloric acid is also widely used in pH neutralization systems, where it is added to alkaline waste streams to bring them to safe discharge levels.
This helps maintain environmental compliance in industrial wastewater treatment.
This improves environmental safety.

E507 Hydrochloric acid plays a role in fertilizer production, especially in the manufacture of ammonium chloride and other chloride-based fertilizers.
It provides the chloride source needed for chemical synthesis.
E507 Hydrochloric acid improves agricultural chemical production.

In oil and gas industry applications, E507 Hydrochloric acid is used in a process called acidizing.
E507 Hydrochloric acid helps dissolve mineral deposits in wells and improves oil flow.
This enhances extraction efficiency.

E507 Hydrochloric acid is used in steel pickling, where it removes rust and iron oxide from metal surfaces before further processing or coating.
This prepares steel for galvanizing or finishing.
E507 Hydrochloric acid improves material quality and durability.

In textile processing, E507 Hydrochloric acid is used for pH adjustment and cleaning during fabric treatment stages.
E507 Hydrochloric acid helps stabilize dyeing and finishing reactions.
This improves textile consistency.

E507 Hydrochloric acid is applied in leather processing, where it helps control pH during tanning operations.
This supports proper leather softening and preservation.

This improves product quality.
In food industry processing (indirect use only), it is used to regulate pH in ingredient production steps such as gelatin, corn syrup, and protein hydrolysis.

Boiling point: 454.4±38.0 °C(Predicted)
Density: 1.081±0.06 g/cm3(Predicted)
pka: 8.38±0.50(Predicted)

E507 Hydrochloric acid, also known as muriatic acid or spirits of salt, is an aqueous solution of hydrogen chloride (HCl). 
E507 Hydrochloric acid is a colorless solution with a distinctive pungent smell. 
E507 Hydrochloric acid is classified as a strong acid. 

E507 Hydrochloric acid is a component of the gastric acid in the digestive systems of most animal species, including humans. 
E507 Hydrochloric acid is an important laboratory reagent and industrial chemical.

E507 Hydrochloric acid also plays an important role in hydrolysis reactions in food and industrial processing.
It helps break down proteins, starches, and other complex molecules.
This improves extraction and processing efficiency.

E507 Hydrochloric acid is used in gelatin and protein production, where it assists in breaking down collagen from animal sources.
This allows better conversion into usable protein products.
E507 Hydrochloric acid improves food ingredient manufacturing.

In sugar refining, E507 Hydrochloric acid helps purify raw sugar solutions by adjusting pH and assisting in impurity removal steps.
E507 Hydrochloric acid supports clarification processes.
This improves product purity.

E507 Hydrochloric acid is used in mineral processing and metal treatment, where it helps remove oxides and impurities from metal surfaces.
E507 Hydrochloric acid prepares metals for further processing or coating.
This improves industrial quality.

In pH adjustment systems, it is used to precisely lower alkalinity in industrial water and chemical processes.
E507 Hydrochloric acid ensures optimal conditions for reactions.
This improves process control.

E507 Hydrochloric acid is widely used in pharmaceutical manufacturing, where controlled acidity is required in synthesis and formulation steps.
It helps maintain chemical stability during production.
E507 Hydrochloric acid improves drug manufacturing accuracy.

In cleaning and descaling applications, E507 Hydrochloric acid removes mineral deposits such as limescale.
E507 Hydrochloric acid dissolves calcium carbonate buildup in equipment and pipes.
This improves maintenance efficiency.

E507 Hydrochloric acid is used in laboratory and analytical chemistry, especially in titration and standard solution preparation.
It provides a reliable strong acid source.
E507 Hydrochloric acid improves experimental precision.

In industrial synthesis, E507 Hydrochloric acid is a key reagent for producing chlorides, fertilizers, and organic compounds.
It is essential in large-scale chemical manufacturing.
E507 Hydrochloric acid improves industrial production capacity.

E507 Hydrochloric acid is a highly reactive strong acid used in food processing, chemical manufacturing, metallurgy, pharmaceuticals, cleaning, and laboratory applications due to its strong acidity, reactivity, and ability to regulate or drive chemical reactions.
E507 Hydrochloric acid is used in mineral and ore processing, where it helps separate and purify metal-containing materials.

E507 Hydrochloric acid dissolves unwanted mineral components in controlled systems.
This improves extraction efficiency.

In laboratory and research settings, E507 Hydrochloric acid is a standard reagent for acid-base reactions and titrations.
E507 Hydrochloric acid provides highly accurate and predictable acidity.
This improves scientific reliability.

E507 Hydrochloric acid is also used in regeneration of ion-exchange resins, where it restores functionality in water softening systems.
It removes accumulated ions from resin materials.
This improves system reuse efficiency.

E507 Hydrochloric acid is a strong industrial and laboratory acid used for pH control, metal treatment, chemical synthesis, oil recovery, wastewater treatment, and processing applications due to its high reactivity and complete dissociation in water.
Because it was produced from rock salt according to the methods of Johann Rudolph Glauber, E507 Hydrochloric acid was historically called by European alchemists spirits of salt or acidum salis (salt acid). 
Both names are still used, especially in other languages, such as for example German: Salzsäure.

Gaseous HCl was called marine acid air. 
The name muriatic acid has the same origin (muriatic means "pertaining to brine or salt", hence muriate means hydrochloride), and this name is still sometimes used.
The name E507 Hydrochloric acid was coined by the French chemist Joseph Louis Gay-Lussac in 1814.

Uses Of E507 Hydrochloric acid:
Of the common strong mineral acids in chemistry, E507 Hydrochloric acid is the monoprotic acid least likely to undergo an interfering oxidation-reduction reaction. 
E507 Hydrochloric acid is one of the least hazardous strong acids to handle; despite its acidity, it contains the non-reactive and non-toxic chloride ion. 
Intermediate-strength E507 Hydrochloric acid solutions are quite stable upon storage, maintaining their concentrations over time. 

These attributes, plus the fact that it is available as a pure reagent, make E507 Hydrochloric acid an excellent acidifying reagent. It is also inexpensive.
E507 Hydrochloric acid is used mainly in industrial processing to control acidity and drive chemical reactions.

E507 Hydrochloric acid is a key reagent because it is a strong acid that fully dissociates in water.
This makes it highly effective in many applications.

In the food industry (indirect use only), it is used to adjust pH during the production of ingredients such as gelatin, corn syrup, and hydrolyzed proteins.
E507 Hydrochloric acid is not added to final food products.
This ensures safe processing conditions.

E507 Hydrochloric acid is widely used in chemical manufacturing, where it serves as a raw material for producing chlorides, fertilizers, and other industrial chemicals.
It participates in many large-scale reactions.
This supports chemical production.

In metal processing and steel pickling, it removes rust, scale, and metal oxides from steel surfaces.
This prepares metals for coating, galvanizing, or further processing.
This improves material quality.

E507 Hydrochloric acid is used in oil and gas production (well acidizing) to dissolve mineral deposits in rock formations.
This helps improve oil and gas flow from wells.
This improves extraction efficiency.

In water treatment systems, it is used to neutralize alkaline water and adjust pH levels.
E507 Hydrochloric acid helps maintain safe and stable water chemistry.
This improves system control.

E507 Hydrochloric acid is applied in pharmaceutical manufacturing, where it helps control pH during synthesis and formulation steps.
It ensures proper reaction conditions.
This improves production accuracy.

In cleaning and descaling, E507 Hydrochloric acid removes limescale and mineral deposits from equipment and pipes.
E507 Hydrochloric acid dissolves calcium and magnesium carbonate buildup.
This improves maintenance efficiency.

E507 Hydrochloric acid is used in textile and leather industries, where it helps regulate pH during dyeing and tanning processes.
It supports stable chemical conditions.
This improves product consistency.

In laboratory applications, it is a standard strong acid used in titrations, experiments, and analytical chemistry.
E507 Hydrochloric acid provides precise and predictable acidity.
E507 Hydrochloric acid is used across chemical production, metal treatment, oil recovery, water treatment, pharmaceuticals, textiles, cleaning, and laboratory systems, mainly for its strong acidity and ability to control or drive chemical reactions.

E507 Hydrochloric acid is also used in ion-exchange resin regeneration systems, especially in water softening and purification units.
E507 Hydrochloric acid removes accumulated calcium, magnesium, and other ions from resin beds.
This restores their efficiency for reuse.

In mineral processing, it helps separate valuable metals from ores by dissolving unwanted mineral components.
E507 Hydrochloric acid supports selective extraction in controlled conditions.
This improves metal recovery efficiency.

E507 Hydrochloric acid is used in fertilizer manufacturing, particularly in producing compounds like ammonium chloride and other chloride salts.
It provides the chloride source needed for synthesis.
This improves agricultural chemical production.

In pH correction for industrial wastewater, it neutralizes alkaline effluents before discharge or further treatment.
E507 Hydrochloric acid ensures compliance with environmental regulations.
This improves environmental safety.

E507 Hydrochloric acid is applied in food ingredient processing (indirect use only), such as hydrolyzed vegetable proteins, corn syrup production, and gelatin extraction.
It helps break down raw materials during manufacturing.
This improves ingredient production efficiency.

In pharmaceutical synthesis, E507 Hydrochloric acid is used to control reaction conditions and form hydrochloride salts of active compounds.
These forms often improve drug stability and solubility.
This improves pharmaceutical formulation quality.

E507 Hydrochloric acid is used in electroplating and surface treatment industries, where it cleans and prepares metal surfaces before coating.
It removes oxides and contaminants for better adhesion.
This improves coating quality.

In construction and building maintenance, it is used for cleaning stone, brick, and concrete surfaces from mineral deposits.
E507 Hydrochloric acid dissolves scale and efflorescence.
This improves surface restoration.

E507 Hydrochloric acid is applied in chemical laboratory synthesis, where it serves as a standard reagent for acid-base reactions and salt formation.
It provides consistent and predictable acidity.
This improves experimental accuracy.

E507 Hydrochloric acid is also used in industrial catalyst preparation and regeneration, where controlled acid conditions are required.
It helps activate or clean catalyst surfaces.
E507 Hydrochloric acid is a highly versatile industrial acid used for metal treatment, chemical synthesis, pH control, oil recovery, wastewater treatment, and laboratory applications due to its strong reactivity and complete ionization in water.

Safety Profile Of E507 Hydrochloric acid:
E507 Hydrochloric acid is considered a highly hazardous and corrosive chemical, especially in concentrated form.
E507 Hydrochloric acid is not a food additive for direct consumption and is strictly controlled in industrial use.
Its main risks come from its strong acidity and corrosive nature.

The most serious hazard is severe chemical burns to skin and eyes.
Direct contact can cause immediate pain, tissue damage, and permanent injury.
Eye exposure can lead to serious damage or vision loss.

Inhalation of E507 Hydrochloric acid vapors can cause strong respiratory irritation.
This may include coughing, throat burning, difficulty breathing, and lung damage at high exposure.
Poor ventilation greatly increases risk.

Skin contact causes rapid irritation and corrosive burns, depending on concentration and exposure time.
Even diluted solutions can be harmful with prolonged contact.
Protective equipment is essential.

Ingestion is extremely dangerous and can cause severe damage to the mouth, throat, esophagus, and stomach.
It may lead to internal burns and life-threatening complications.
Accidental ingestion requires immediate medical attention.

E507 Hydrochloric acid releases corrosive fumes, especially in concentrated form or when heated.
These fumes can irritate eyes and respiratory tissues even without direct contact.
E507 Hydrochloric acid reacts violently with alkalis and many metals, sometimes producing heat or flammable hydrogen gas.