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Esters and lactones

Docusate potassium

Also known as Rectalad Enema, Rectalad, Dioctyl potassium sulfosuccinate

CAS 7491-09-0Formula C20H37KO7SMolar mass 460.67 g/molEC 231-308-5
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant 2 suppliers listed
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Docusate potassium chemical structure, C20H37KO7S, CAS 7491-09-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7491-09-0
Formula
C20H37KO7S
Molar mass
460.67 g/mol
EC number
231-308-5
HS code
291719
Category
Esters and lactones

What is Docusate potassium?

Plain description, key identifiers and synonyms

Docusate potassium is a chemical substance with the molecular formula C20H37KO7S and a molar mass of 460.67 g/mol. Its CAS registry number is 7491-09-0. The IUPAC name is potassium 1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
potassium 1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonate
CAS number
7491-09-0 CAS number cross-checked
EC number
231-308-5
Molecular formula
C20H37KO7S
UNII
CIK9F54ZHR
MDL number
MFCD00072113
InChIKey
CACRHRQTJDKAPJ-UHFFFAOYSA-M
InChI
InChI=1S/C20H38O7S.K/c1-5-9-11-16(7-3)14-26-19(21)13-18(28(23,24)25)20(22)27-15-17(8-4)12-10-6-2;/h16-18H,5-15H2,1-4H3,(H,23,24,25);/q;+1/p-1
SMILES (canonical and isomeric)
CCCCC(CC)COC(=O)CC(C(=O)OCC(CC)CCCC)S(=O)(=O)[O-].[K+]

Synonyms

  • Rectalad Enema
  • Rectalad
  • Dioctyl potassium sulfosuccinate
  • Potassium 1,4-bis(2-ethylhexyl) sulfosuccinate
  • Butanedioic acid, sulfo-, 1,4-bis(2-ethylhexyl) ester, potassium salt
  • Dioctyl Sulfosuccinic Acid, Potassium Salt
  • Potassium dioctyl sulfosuccinate
  • Potassium 1,4-bis((2-ethylhexyl)oxy)-1,4-dioxobutane-2-sulfonate
  • potassium, 1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonate
  • potassium 1,4-bis[(2-ethylhexyl)oxy]-1,4-dioxobutane-2-sulfonate
  • Bis(2-ethylhexyl) sulfosuccinate potassium salt
  • Docusat kalium
  • Dioctylkaliumsulfosuccinat
  • Rectalad enema (TN)
  • Docusate potassium (USP)
  • Potassium 1,2-bis(2-ethylhexyloxycarbonyl)ethanesulphonate
  • potassium, 1,4-bis(2-ethylhexoxy)-1,4-dioxo-butane-2-sulfonate

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
460.67 g/molcalc.
Exact mass
460.1897 Dacalc.
LogP (octanol/water)
0.81calc.
Topological polar surface area
109.8 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
16calc.
Heavy atoms
29calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.9calc.
Formal charge
0calc.
Stereocentres
3calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H318Causes serious eye damage.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.

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

Docusate potassium suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 1 country

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Docusate potassium price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Docusate potassium is traded under.

HS 2917.19Indicative HS code

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…

World exports in 2024
$718M
+8.1% vs 2023, imports $915M
2019 to 2024
Top exporters
  1. China46.6%
  2. United States13.7%
  3. Germany10.1%
Top importers
  1. United States16.2%
  2. Denmark11.8%
  3. Germany10.0%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Docusate potassium, based on the data on this page

What is Docusate potassium?

Docusate potassium is a chemical substance with the molecular formula C20H37KO7S and a molar mass of 460.67 g/mol. Its CAS registry number is 7491-09-0. The IUPAC name is potassium 1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonate.

What is the CAS number of Docusate potassium?

The CAS registry number of Docusate potassium is 7491-09-0.

What is the molecular formula and weight of Docusate potassium?

The molecular formula of Docusate potassium is C20H37KO7S and its molar mass is 460.67 g/mol.

Is Docusate potassium hazardous?

Docusate potassium carries the GHS signal word "Danger". Main hazards: causes skin irritation, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Docusate potassium?

Docusate potassium is usually classified under HS code 291719 (Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Docusate potassium?

CompoundList lists 2 suppliers of Docusate potassium in 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 Docusate potassium?

Suppliers quote Docusate potassium 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 Docusate potassium

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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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