Hypochlorous Acid

HCID 24341
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Basic information

CAS
14380-61-1
Standard SMILES
OCl
InChIKey
QWPPOHNGKGFGJK-UHFFFAOYSA-N
Molecular formula
ClHO
Average molar mass
52.46 g/mol
Monoisotopic mass
51.97159233

Overview

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 an EC 3.1.1.7 (acetylcholinesterase) inhibitor, an EC 2.5.1.18 (glutathione transferase) inhibitor and a human metabolite. It is a member of reactive oxygen species and a chlorine oxoacid. It is a conjugate acid of a hypochlorite.

Names & identifiers

Preferred name
Hypochlorous Acid
IUPAC
hypochlorous acid
English name
Hypochlorous acid
Molecular formula
ClHO
Molecular weight
52.46

Names & synonyms

HYPOCHLOROUS ACID7790-92-3HClOHOClchloranolComfosyhydroxidochlorinehypochloric acid712K4CDC10DTXSID3036737CHEBI:24757hypochlrous
Show more names
ChampuregreenDeodorizerLeucillinSufiyaMediaqua premiumDr.DevirusHi CleanerVIRURcatcher

Database identifiers

CAS
14380-61-1、7790-92-3
PubChem CID
24341
DTXSID
DTXSID3036737
ChEMBL
CHEMBL1616046
ChEBI
CHEBI:24757
UNII
712K4CDC10
EC Number
232-232-5
Nikkaji
J202.839E

Properties

Computed structural properties

XLogP
0.3
Topological polar surface area
20.2 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
1
Rotatable bonds
0
Heavy atoms
2

Experimental & physicochemical properties

Chemical ClassesToxic Gases & Vapors -> Acids, Inorganic
SpringerMaterials PropertiesSchoenflies notation
Food Contact Substances · 6 items

FCS -> FDA Inventory of Food Contact Substances Listed in 21 CFR

FCS -> FDA Inventory of Effective Food Contact Substance (FCS) Notifications

FCS -> FDA Inventory of Effective Food Contact Substance (FCS) Notifications

FCS -> FDA Inventory of Effective Food Contact Substance (FCS) Notifications

FCS -> FDA Inventory of Effective Food Contact Substance (FCS) Notifications

FCS -> FDA Inventory of Effective Food Contact Substance (FCS) Notifications

Physical Description · 3 items

Liquid

Found only in aqueous solution; Greenish-yellow liquid; [Merck Index] Very unstable; [Hawley] Decomposes exothermically to HCl and O2; [Ullmann]

Solid

Physicochemical properties

Boiling point
125 · 125-130 °C(Press: 11 Torr)
Density
1.1655 g/cm3 · 1.1655 g/cm3
pka
7.54 · 7.54±0.10(Predicted)

Safety & regulation

GHS classification

GHS ClassificationNot Classified

Hazard information

Regulatory Information · 2 items

Hypochlorous acid is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Hypochlorous acid are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Hypochlorous acid: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

Hazards Summary · 1 item

A strong oxidizing agent; [Merck Index] A skin and eye irritant; Weak and unstable acid--exists only in dilute solutions; [Hawley] Hypochlorites are used as bleaching agents and disinfectants (swimming pools); they are derived from hypochlorous acid. Hypochlorites have caused hand, diffuse, or periulcerous dermatitis . . . [Kanerva, p. 1803-4] See Hydrogen chloride.

Hazard Classes and CategoriesNot Classified

Chemistry & industry

Pharmacology

MeSH Pharmacological ClassificationElectron-accepting molecules in chemical reactions in which electrons are transferred from one molecule to another (OXIDATION-REDUCTION).

Uses & manufacturing

Uses · 2 items

Used as a disinfectant; [Merck Index] Used for textile and fiber bleaching, for water purification, and as an antiseptic; [Hawley] Not used much because of its instability; Hypochlorites are used instead in drinking water and swimming pools; [Ullmann]

Pulp and Paper Processing [Category: Industry]

U.S. Production2023: 100,000,000 - <500,000,000 lb
Industry UsesOxidizing agent
Household ProductsInformation on 4 consumer products that contain Hypochlorous acid in the following categories is provided:
General Manufacturing Information · 2 items

All Other Basic Organic Chemical Manufacturing

Hypochlorous acid: ACTIVE

Suppliers54 total

湖北永阔科技有限公司027-59223108 15972152991 · [email protected]
湖北万得化工有限公司15377098680 15377098680 · [email protected]
广州纳珑化工有限公司13192879270; 13192879270 · [email protected]
苏州市森菲达化工有限公司18796480002 18796480002 · [email protected]
杭州鼎燕化工有限公司13588754826 13588754826 · [email protected]
Additional notes · 1 item

DefinitionChEBI: 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.

Related reactions

23 records
New reaction record

Compound notes

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