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Insecticides and acaricides

Chlorethoxyfos

Also known as Chlorethoxyphos, Chloroethoxyfos, O,O-Diethyl O-(1,2,2,2-tetrachloroethyl) phosphorothioate

CAS 54593-83-8Formula C6H11Cl4O3PSMolar mass 336.00 g/molEC 611-172-7
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Harmful or irritant, Hazardous to the environment 1 supplier listed
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Chlorethoxyfos chemical structure, C6H11Cl4O3PS, CAS 54593-83-8
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Boiling point
80 °C
Density
1.41 g/cm³ @ 20 °C
Flash point
>230
Solubility
Solubility in water, 3 ppm @ 20 °C /Technical/
HS code
292019
Category
Insecticides and acaricides
UN number
UN 3018
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Chlorethoxyfos?

Plain description, key identifiers and synonyms

Chlorethoxyfos is an organochlorine insecticide, an organothiophosphate insecticide and an organic thiophosphate. It has a role as an agrochemical and an EC 3.1.1.7 (acetylcholinesterase) inhibitor.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
diethoxy-sulfanylidene-(1,2,2,2-tetrachloroethoxy)-λ5-phosphane
CAS number
54593-83-8 CAS number cross-checked
EC number
611-172-7
Molecular formula
C6H11Cl4O3PS
UNII
1H22CUD2KR
InChIKey
XFDJMIHUAHSGKG-UHFFFAOYSA-N
InChI
InChI=1S/C6H11Cl4O3PS/c1-3-11-14(15,12-4-2)13-5(7)6(8,9)10/h5H,3-4H2,1-2H3
SMILES (canonical and isomeric)
CCOP(=S)(OCC)OC(C(Cl)(Cl)Cl)Cl

Synonyms

  • Chlorethoxyphos
  • Chloroethoxyfos
  • O,O-Diethyl O-(1,2,2,2-tetrachloroethyl) phosphorothioate
  • SD 208304
  • Phosphorothioic acid, O,O-diethyl O-(1,2,2,2-tetrachloroethyl) ester
  • O,O-diethyl O-(1,2,2,2-tetrachloroethyl) thiophosphate
  • O,O-Diethyl o-(1,2,2,2-tetrachloroethyl) thionophosphate
  • O,O-Diethyl o-1,2,2,2-tetrachloroethyl phosphorothioate
  • USEPA/OPP Pesticide Code: 129006
  • O,ODiethyl O(1,2,2,2tetrachloroethyl) phosphorothioate
  • Phosphorothioic acid, O,Odiethyl O(1,2,2,2tetrachloroethyl) ester
  • diethoxy-sulfanylidene-(1,2,2,2-tetrachloroethoxy)-lambda5-phosphane
  • DPX 43898
  • O,O-diethyl O-(1,2,2,2-tetrachloroethyl)phosphorothioate
  • Chlorethoxyfos, PESTANAL(R), analytical standard
  • O,O-diethyl O-(1,2,2,2-tetrachloroethyl)thionophosphate
  • Phosphorothioic acid, O,O-diethyl O-(1,2,2,2-tetrachloroethyl)ester
  • Phosphorothioic acid, O,O-diethyl o-(1,2,2,2- tetrachloroethyl) ester

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

Appearance
Colorless liquidexp.
Boiling point
80 °Cexp.
Density
1.41 g/cm³ @ 20 °Cexp.
Flash point
>230exp.
Solubility
Solubility in water, 3 ppm @ 20 °C /Technical/exp.
Vapour pressure
7.95 × 10⁻⁴ mm Hg @ 20 °Cexp.

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
336.00 g/molcalc.
Exact mass
333.8921 Dacalc.
LogP (octanol/water)
4.24calc.
Topological polar surface area
27.69 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
6calc.
Heavy atoms
15calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
1calc.
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
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H300 + H310 + H330Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled.
  • H300Fatal if swallowed.
  • H310Fatal in contact with skin.
  • H319Causes serious eye irritation.
  • H330Fatal if inhaled.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (23)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P337 + P317If eye irritation persists: Get medical help.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3018
Transport hazard class
6.1
Packing group
I

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

Chlorethoxyfos suppliers

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Where suppliers are based

1 supplier in 1 country

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Chlorethoxyfos 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

Soil insecticide for use in corn.

Use classes: Insecticides.

Roles

  • agrochemical
  • enzyme inhibitor

Pharmacology

Chlorethoxyfos is a synthetic organophosphate acetylcholinesterase inhibitor that is used as a pesticide. It is characterized as a highly toxic colorless or gray to brown liquid, and exposure occurs by inhalation, ingestion, or contact.

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 Chlorethoxyfos is traded under.

HS 2920.19Indicative HS code

Thiophosphoric esters (phosphorothioates) and their salts, their halogenated…

World exports in 2024
$131M
+2.1% vs 2023, imports $115M
2019 to 2024
Top exporters
  1. China59.7%
  2. Japan17.6%
  3. Germany9.1%
Top importers
  1. Brazil16.0%
  2. United States13.3%
  3. India * partner reported8.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Chlorethoxyfos, based on the data on this page

What is Chlorethoxyfos?

Chlorethoxyfos is an organochlorine insecticide, an organothiophosphate insecticide and an organic thiophosphate. It has a role as an agrochemical and an EC 3.1.1.7 (acetylcholinesterase) inhibitor.

What is the CAS number of Chlorethoxyfos?

The CAS registry number of Chlorethoxyfos is 54593-83-8.

What is the molecular formula and weight of Chlorethoxyfos?

The molecular formula of Chlorethoxyfos is C6H11Cl4O3PS and its molar mass is 336.00 g/mol.

What is Chlorethoxyfos used for?

Soil insecticide for use in corn. Use classes: Insecticides.

Is Chlorethoxyfos hazardous?

Chlorethoxyfos carries the GHS signal word "Danger". Main hazards: fatal if swallowed. fatal in contact with skin. fatal if inhaled, fatal if swallowed, fatal in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Chlorethoxyfos?

Chlorethoxyfos is usually classified under HS code 292019 (Thiophosphoric esters (phosphorothioates) and their salts, their halogenated…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Chlorethoxyfos?

CompoundList lists 1 supplier of Chlorethoxyfos 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 Chlorethoxyfos?

Suppliers quote Chlorethoxyfos 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 Chlorethoxyfos

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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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