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Silicates, borates and other salts

Potassium hypochlorite

Also known as Hypochlorous acid, potassium salt, Potassium chloride oxide, Hypochlorous acid, potassium salt (1:1)

CAS 7778-66-7Formula ClKOMolar mass 90.55 g/molEC 231-909-2
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Potassium hypochlorite chemical structure, ClKO, CAS 7778-66-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7778-66-7
Formula
ClKO
Physical form
Liquid
HS code
282890
Category
Silicates, borates and other salts
UN number
UN 1791
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Potassium hypochlorite?

Plain description, key identifiers and synonyms

Potassium hypochlorite solution is a colorless aqueous solution with a pungent irritating chlorine odor.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
potassium hypochlorite
CAS number
7778-66-7 CAS number cross-checked
EC number
231-909-2
Molecular formula
ClKO
UNII
G27K3AQ7DW
InChIKey
SATVIFGJTRRDQU-UHFFFAOYSA-N
InChI
InChI=1S/ClO.K/c1-2;/q-1;+1
SMILES (canonical and isomeric)
[O-]Cl.[K+]

Synonyms

  • Hypochlorous acid, potassium salt
  • Potassium chloride oxide
  • Hypochlorous acid, potassium salt (1:1)
  • Potassium oxychloride
  • Potassium hypochlorite (kclo)
  • Potassium hypochlorite solution
  • JAVEL WATER
  • potassium, hypochlorite
  • Kaliumhypochlorit
  • Potassium chloride oxide (kclo)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Liquidexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
90.55 g/molcalc.
Exact mass
89.9275 Dacalc.
LogP (octanol/water)
-3.5calc.
Topological polar surface area
23.06 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms
UN number
UN 1791

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Potassium hypochlorite suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 2 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 2 countries

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Potassium hypochlorite price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Potassium hypochlorite is traded under.

HS 2828.90Indicative HS code

Hypochlorites, commercial calcium hypochlorite, chlorites, hypobromites, other

World exports in 2024
$451M
+4.0% vs 2023, imports $446M
2019 to 2024
Top exporters
  1. China12.8%
  2. Canada11.6%
  3. Germany9.3%
Top importers
  1. United States13.6%
  2. France * partner reported9.9%
  3. Germany7.2%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Potassium hypochlorite is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Potassium hypochlorite, based on the data on this page

What is Potassium hypochlorite?

Potassium hypochlorite solution is a colorless aqueous solution with a pungent irritating chlorine odor.

What is the CAS number of Potassium hypochlorite?

The CAS registry number of Potassium hypochlorite is 7778-66-7.

What is the molecular formula and weight of Potassium hypochlorite?

The molecular formula of Potassium hypochlorite is ClKO and its molar mass is 90.55 g/mol.

What is Potassium hypochlorite used for?

Known uses and roles of Potassium hypochlorite include disinfectants in water treatment and disinfectants in home care and cleaning.

Is Potassium hypochlorite hazardous?

No GHS hazard classification for Potassium hypochlorite is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Potassium hypochlorite?

Potassium hypochlorite is usually classified under HS code 282890 (Hypochlorites, commercial calcium hypochlorite, chlorites, hypobromites, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Potassium hypochlorite?

CompoundList lists 2 suppliers of Potassium hypochlorite in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Potassium hypochlorite?

Suppliers quote Potassium hypochlorite on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Potassium hypochlorite

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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