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Heterocyclic building blocks

Salithion

Also known as Dioxabenzofos, 4H-1,3,2-Benzodioxaphosphorin, 2-methoxy-, 2-sulfide, 2-Methoxy-4H-1,3,2-benzodioxaphosphorin 2-sulfide

CAS 3811-49-2Formula C8H9O3PSMolar mass 216.20 g/molEC 223-292-3
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Serious health hazard, Hazardous to the environment
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Salithion chemical structure, C8H9O3PS, CAS 3811-49-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3811-49-2
Formula
C8H9O3PS
Molar mass
216.20 g/mol
EC number
223-292-3
HS code
293499
Category
Heterocyclic building blocks

What is Salithion?

Plain description, key identifiers and synonyms

Salithion is an organic thiophosphate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-methoxy-2-sulfanylidene-4H-1,3,2λ5-benzodioxaphosphinine
CAS number
3811-49-2 CAS number cross-checkedOther or deprecated CAS: 90293-10-0, 90293-16-6
EC number
223-292-3
Molecular formula
C8H9O3PS
UNII
6ZWK96BZW6
MDL number
MFCD00210363
InChIKey
OUNSASXJZHBGAI-UHFFFAOYSA-N
InChI
InChI=1S/C8H9O3PS/c1-9-12(13)10-6-7-4-2-3-5-8(7)11-12/h2-5H,6H2,1H3
SMILES (canonical and isomeric)
COP1(=S)OCC2=CC=CC=C2O1

Synonyms

  • Dioxabenzofos
  • 4H-1,3,2-Benzodioxaphosphorin, 2-methoxy-, 2-sulfide
  • 2-Methoxy-4H-1,3,2-benzodioxaphosphorin 2-sulfide
  • Phosphorothioic acid, cyclic O,O-(methylene-o-phenylene) O-methyl ester
  • Dioxabenzophos
  • Salithion-sumitomo
  • 2-methoxy-4H-1,3,2-benzodioxaphosphorin-2-sulfide
  • 2-Methoxy-4H-1,2,3-benzodioxaphosphorine-2-sulfide
  • 4H-(1.3.2)Benzodioxaphosphorine, 2-methoxy-, 2-sulfide
  • Fenphosphorin
  • 2-methoxy-2-sulfanylidene-4H-1,3,2lambda5-benzodioxaphosphinine
  • Phosphorothioic acid, O-methyl ester, cyclic O,O-ester with o-hydroxybenzyl alcohol
  • (R)-Salithion
  • (S)-Salithion
  • (R)-(+)-Salithion
  • 2-Methoxy-4H-1,3,2-benzodioxaphosphorin 2-sulphide
  • Fenfosphorin
  • 2-Methoxy-4H-benzo-1,3,2-dioxaphosphorin 2-sulphide
  • Saligenin cyclic methyl phosphorothionate
  • Dioxabenzofos, Salithion
  • 2-Methoxy-4H-1,3,2-lambda-5-benzodioxaphosphinine 2-sulfide
  • 2-Methoxy-4H-1,3,2-lambda-5-benzodioxaphosphinine 2-sulphide
  • (+/-)-Dioxabenzofos
  • Ounsasxjzhbgai-uhfffaoysa-
  • 2-methoxy-4H-benzo[d][1,3,2]dioxaphosphinine 2-sulfide
Show all 35 synonyms
  • Dioxabenzofos, (+/-)-
  • Cyclic O,O-(methylene-o-phenylene) phosporothioate O-methyl ester
  • Dioxabenzofos 10 microg/mL in Cyclohexane
  • Dioxabenzofos 100 microg/mL in Acetonitrile
  • Saligenin cyclic methyl phosphorothionat
  • Dioxabenzofos, PESTANAL(R), analytical standard
  • 2-Methoxy-4H-1,3,2-benzodioxaphosphinine 2-sulfide #
  • 2-methoxy-2-thioxo-4H-1,3,2lambda5-benzodioxaphosphinine
  • 2-Methoxy-4H-1,3,2-benzodioxaphospholin-2-sulfide
  • o-methyl cyclic o,o-(methylene-o-phenylene)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

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
216.20 g/molcalc.
Exact mass
216.001 Dacalc.
LogP (octanol/water)
2.47calc.
Topological polar surface area
27.69 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
13calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.25calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, S=[PH]1OCc2ccccc2O1

S=[PH]1OCc2ccccc2O1

2 rings, 11 atoms.

14 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H301Toxic if swallowed.
  • H311Toxic in contact with skin.
  • H370Causes damage to organs.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (16)
  • 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.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P308 + P316If exposed or concerned: Get emergency medical help immediately.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Salithion suppliers

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Salithion 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

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 015-152-00-3

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Salithion?

Salithion is an organic thiophosphate.

What is the CAS number of Salithion?

The CAS registry number of Salithion is 3811-49-2. Other or deprecated CAS numbers: 90293-10-0, 90293-16-6.

What is the molecular formula and weight of Salithion?

The molecular formula of Salithion is C8H9O3PS and its molar mass is 216.20 g/mol.

What is Salithion used for?

Known uses and roles of Salithion include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Salithion hazardous?

Salithion carries the GHS signal word "Danger". Main hazards: toxic if swallowed, toxic in contact with skin, causes damage to organs. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Salithion?

Salithion is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Salithion?

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What is the price of Salithion?

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

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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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