次氯酸

Description

hypochlorous acid · CAS 7790-92-3 · ClHO. UNII 712K4CDC10.

Identification

CAS Registry Number	7790-92-3
PubChem CID	24341
Molecular formula	ClHO
IUPAC name	hypochlorous acid
UNII (FDA)	712K4CDC10

Computed Descriptors

Molecular Weight	52.46
XLogP3	0.3
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	51.9715923
Monoisotopic Mass	51.9715923
Topological Polar Surface Area	20.2
Heavy Atom Count	2
Formal Charge	0

Physical description & handling notes

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

Regulatory Status

Regulatory & Food Contact

FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS For use as an antimicrobial agent in a solution for the re-hydrating of fresh fruits and vegetables including Hypochlorous acid (CAS Reg. No. 7790-92-3) electrolytically generated in dilute solution. REPLACES FCN 692 For use as an antimicrobial agent in solutions used to re-hydrate fresh and fresh-cut fruits and vegetables.

Documented Uses

• 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]
• Textiles (Fiber & Fabric Manufacturing) [Category: Industry]
• Using Disinfectants or Biocides [Category: Clean]
• Sewer and Wastewater Treatment [Category: Industry]
• Information on 4 consumer products that contain Hypochlorous acid in the following categories is provided:

Synonyms

HYPOCHLOROUS ACID; 7790-92-3; HClO; HOCl; chloranol; Comfosy; hydroxidochlorine; hypochloric acid; 712K4CDC10; DTXSID3036737; CHEBI:24757; hypochlrous; Champuregreen; Deodorizer; Leucillin; Sufiya

Frequently Asked Questions

What are the CAS number and molecular formula of hypochlorous acid?

CAS 7790-92-3; molecular formula ClHO; molecular weight — g/mol.

What other names is hypochlorous acid known by?

HYPOCHLOROUS ACID, 7790-92-3, HClO, HOCl, chloranol, Comfosy.

What is the regulatory status of hypochlorous acid?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS; For use as an antimicrobial agent in a solution for the re-hydrating of fresh fruits and vegetables including .

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.