Hypochlorigesure

hypochlorous acid Struktur
7790-92-3
CAS-Nr.
7790-92-3
Bezeichnung:
Hypochlorigesure
Englisch Name:
hypochlorous acid
Synonyma:
HClO;hypochlorousaci;hypochlorous acid;High test hypochlorite;TIANFU-CHEM hypochlorous acid;Hypochlorous acid Standard Solution
CBNumber:
CB8922249
Summenformel:
ClHO
Molgewicht:
52.46
MOL-Datei:
7790-92-3.mol

Hypochlorigesure Eigenschaften

Siedepunkt:
125-130 °C(Press: 11 Torr)
Dichte
1.1655 g/cm3
Löslichkeit
soluble in H2O
pka
pK (25°) 7.49
Aggregatzustand
stable only in solution
Farbe
green-yellow; stable only in aqueous solution
LogP
0.710 (est)
EPA chemische Informationen
Hypochlorous acid (7790-92-3)

Sicherheit

RIDADR  3139
HazardClass  5.1
PackingGroup  II

Hypochlorigesure Chemische Eigenschaften,Einsatz,Produktion Methoden

Beschreibung

Hypochlorous acid [7790-92-3], HOCl, Mr 52.5, is only moderately stable in aqueous solution. It is colorless when dilute and yellowish at higher concentrations. Hypochlorous acid is one of the most powerful oxidizing agents known. Hypochlorous acid solution decomposes exothermically. The main decomposition products are hydrochloric acid and oxygen.

Chemische Eigenschaften

Greenish-yellow aqueous solution. Highly unstable, weak acid. Decomposes to hydrogen chloride and oxygen. Can exist only in dilute solutions.

Physikalische Eigenschaften

Greenish-yellow aqueous solution; unstable; weak acid, pKa7.40 at 25°C;soluble in water.

Verwenden

Disinfectant. Because of its instability, hypochlorous acid is not used extensively as an oxidizing or bleaching agent. It was used mainly in the water treatment industry for slime control, for treatment of drinking water, and for sterilization of swimming pools. These applications have now been taken over by the more stable hypochlorites.

Definition

ChEBI: Hypochlorous acid is a chlorine oxoacid with formula HOCl; a weak, unstable acid, it is the active form of chlorine in water. It has a role as a human metabolite, an EC 3.1.1.7 (acetylcholinesterase) inhibitor and an EC 2.5.1.18 (glutathione transferase) inhibitor. It is a member of reactive oxygen species and a chlorine oxoacid. It is a conjugate acid of a hypochlorite.

synthetische

Hypochlorous acid is obtained by dissolving chlorine in water, or by addingbleaching powder or sodium hypochlorite to water. A better method of pro-duction is passing chlorine gas into a well-agitated suspension of mercuricoxide:
2Cl2 + 2HgO + H2O → HgO•HgCl2 + 2HOCl
or by distilling chlorine hexahydrate and mercuric oxide at low pressure:
2Cl2•6H2O + HgO → 2HOCl + HgCl2 + 5H2O
The latter process can yield a 25% acid solution.
Hypochlorous acid also may be obtained by hydrolysis of chlorine monoflu-oride:
ClF + H2O → H+ + F¯ + HOCl
The above reaction may be explosive and is not recommended for preparinghypochlorous acid.

Hazard

Irritant to skin and eyes.

Hypochlorigesure Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Hypochlorigesure Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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7790-92-3(Hypochlorigesure)Verwandte Suche:


  • hypochlorous acid
  • High test hypochlorite
  • hypochlorousaci
  • Hypochlorous acid Standard Solution
  • TIANFU-CHEM hypochlorous acid
  • HClO
  • 7790-92-3
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