CompoundList
Sign in
Insecticides and acaricides

Acetophos

Also known as Acetaphos, ethyl 2-diethoxyphosphorylsulfanylacetate, O,O-Diethyl S-(carbethoxy)methyl phosphorothiolate

CAS 2425-25-4Formula C8H17O5PSMolar mass 256.26 g/mol
Get quotes Safety data
Acetophos chemical structure, C8H17O5PS, CAS 2425-25-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2425-25-4
Formula
C8H17O5PS
Appearance
Liquid
Boiling point
73 °C
HS code
293090
Category
Insecticides and acaricides
Illustrative photo, 200 litre steel drums of liquid in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Acetophos?

Plain description, key identifiers and synonyms

Acetophos is a chemical substance with the molecular formula C8H17O5PS and a molar mass of 256.26 g/mol. Its CAS registry number is 2425-25-4. The IUPAC name is ethyl 2-diethoxyphosphorylsulfanylacetate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethyl 2-diethoxyphosphorylsulfanylacetate
CAS number
2425-25-4 CAS number cross-checked
Molecular formula
C8H17O5PS
UNII
J4K0KB7I7Y
InChIKey
ZRCQYAQOWIQUBA-UHFFFAOYSA-N
InChI
InChI=1S/C8H17O5PS/c1-4-11-8(9)7-15-14(10,12-5-2)13-6-3/h4-7H2,1-3H3
SMILES (canonical and isomeric)
CCOC(=O)CSP(=O)(OCC)OCC

Synonyms

  • Acetaphos
  • ethyl 2-diethoxyphosphorylsulfanylacetate
  • O,O-Diethyl S-(carbethoxy)methyl phosphorothiolate
  • Phosphorothioic acid, O,O-diethyl ester, S-ester with ethyl mercaptoacetate
  • Acetofos
  • Acetic acid, mercapto-, ethyl ester, S-ester with O,O-diethyl phosphorothioate
  • Acetic acid, ((diethoxyphosphinyl)thio)-, ethyl ester
  • Acetic acid, [(diethoxyphosphinyl)thio]-, ethyl ester
  • Ethyl ((diethoxyphosphinyl)thio)acetate
  • O,O-Diethyl S-carbethoxymethyl thiophosphate
  • O,O-Diethyl S-carboethoxymethyl thiophosphate
  • O,O-Diethyl S-carboethoxymethyl phosphorothioate
  • Acetoxon
  • Ethyl [(diethoxyphosphoryl)sulfanyl]acetate
  • O,O-Diethyl S-ethoxycarbonylmethyl phosphorothioate
  • Acetic acid, 2-[(diethoxyphosphinyl)thio]-, ethyl ester
  • Acetic acid, mercapto-, ethyl ester, O,O-diethyl phosphorothioate

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
73 °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
256.26 g/molcalc.
Exact mass
256.0534 Dacalc.
LogP (octanol/water)
2.46calc.
Topological polar surface area
61.83 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.

Acetophos suppliers

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

No supplier listings yet

Post one free request and suppliers who make or trade Acetophos can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Acetophos 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.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Insecticide (Former use in the USA).

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 Acetophos 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 Acetophos is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Acetophos?

Acetophos is a chemical substance with the molecular formula C8H17O5PS and a molar mass of 256.26 g/mol. Its CAS registry number is 2425-25-4. The IUPAC name is ethyl 2-diethoxyphosphorylsulfanylacetate.

What is the CAS number of Acetophos?

The CAS registry number of Acetophos is 2425-25-4.

What is the molecular formula and weight of Acetophos?

The molecular formula of Acetophos is C8H17O5PS and its molar mass is 256.26 g/mol.

What is Acetophos used for?

Insecticide (Former use in the USA).

Is Acetophos hazardous?

No GHS hazard classification for Acetophos 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 Acetophos?

Acetophos 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 Acetophos?

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

What is the price of Acetophos?

Suppliers quote Acetophos 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 Acetophos

Get quotes for Acetophos

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Acetophos
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Acetophos with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/acetophos-2425-25-4" title="Acetophos structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Insecticides and acaricides or HS code 293090

Price on request
Free quotes, contact stays private
Get quotes