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Insecticides and acaricides

Acethion

Also known as Ethoxyphas, Ethoxyphos, Acethione

CAS 919-54-0Formula C8H17O4PS2Molar mass 272.33 g/mol
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Acethion chemical structure, C8H17O4PS2, CAS 919-54-0
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Liquid
Boiling point
137 °C
Density
1.18 g/cm³ at 20 °C
HS code
293090
Category
Insecticides and acaricides
Illustrative photo, closed blue steel drums of liquid in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Acethion?

Plain description, key identifiers and synonyms

Acethion is a chemical substance with the molecular formula C8H17O4PS2 and a molar mass of 272.33 g/mol. Its CAS registry number is 919-54-0. The IUPAC name is ethyl 2-diethoxyphosphinothioylsulfanylacetate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethyl 2-diethoxyphosphinothioylsulfanylacetate
CAS number
919-54-0 CAS number cross-checked
Molecular formula
C8H17O4PS2
UNII
LOW85U4E3X
InChIKey
AISZOMRXKKCPIS-UHFFFAOYSA-N
InChI
InChI=1S/C8H17O4PS2/c1-4-10-8(9)7-15-13(14,11-5-2)12-6-3/h4-7H2,1-3H3
SMILES (canonical and isomeric)
CCOC(=O)CSP(=S)(OCC)OCC

Synonyms

  • Ethoxyphas
  • Ethoxyphos
  • Acethione
  • Hercules 4580
  • ENT 25650
  • Ethyl ((diethoxyphosphinothioyl)thio)acetate
  • O,O-Diethyl S-carboethoxymethyl dithiophosphate
  • O,O-Diethyl S-carboethoxymethyl phosphorodithioate
  • Phosphorodithioic acid, O,O-diethyl ester, S-ester with ethyl mercaptoacetate
  • Acetic acid, ((diethoxyphosphinothioyl)thio)-, ethyl ester
  • 4-03-00-00619 (Beilstein Handbook Reference)
  • Acetic acid, mercapto-, ethyl ester, S-ester with O,O-diethyl phosphorodithioate
  • Ethyl 2-((diethoxyphosphinothioyl)thio)acetate
  • S-(Ethoxycarbonylmethyl) O,O-diethyl phosphorodithioate
  • O,ODiethyl Scarboethoxymethyl dithiophosphate
  • O,ODiethyl Scarboethoxymethyl phosphorodithioate
  • Acetic acid, ((diethoxyphosphinothioyl)thio), ethyl ester
  • Phosphorodithioic acid, O,Odiethyl ester, Sester with ethyl mercaptoacetate
  • Acetic acid, mercapto, ethyl ester, Sester with O,Odiethyl phosphorodithioate
  • ethyl 2-diethoxyphosphinothioylsulfanylacetate
  • Acethion 100 |Ig/mL in Cyclohexane
  • Acethion 100 microg/mL in Cyclohexane
  • ethyl [(diethoxyphosphorothioyl)sulfanyl]acetate

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
Liquidexp.
Boiling point
137 °Cexp.
Density
1.18 g/cm³ at 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
272.33 g/molcalc.
Exact mass
272.0306 Dacalc.
LogP (octanol/water)
2.58calc.
Topological polar surface area
44.76 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
8calc.
Heavy atoms
15calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.88calc.
Formal charge
0calc.
Stereocentres
0calc.
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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Acethion suppliers

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Acethion 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

Insecticide (Former use).

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 Acethion is traded under.

HS 2930.90Indicative HS code

Organo-sulphur compounds, other

World exports in 2024
$5.83B
+0.1% vs 2023, imports $5.93B
2019 to 2024
Top exporters
  1. China40.7%
  2. United States10.9%
  3. Japan9.3%
Top importers
  1. United States13.3%
  2. Brazil12.6%
  3. China6.6%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Acethion?

Acethion is a chemical substance with the molecular formula C8H17O4PS2 and a molar mass of 272.33 g/mol. Its CAS registry number is 919-54-0. The IUPAC name is ethyl 2-diethoxyphosphinothioylsulfanylacetate.

What is the CAS number of Acethion?

The CAS registry number of Acethion is 919-54-0.

What is the molecular formula and weight of Acethion?

The molecular formula of Acethion is C8H17O4PS2 and its molar mass is 272.33 g/mol.

What is Acethion used for?

Insecticide (Former use).

Is Acethion hazardous?

No GHS hazard classification for Acethion 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 Acethion?

Acethion is usually classified under HS code 293090 (Organo-sulphur compounds, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Acethion?

Post a free request on CompoundList and suppliers of Acethion will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Acethion?

Suppliers quote Acethion 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 Acethion

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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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