Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

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Substance profile

Ethofumesate

Ethofumesate is a white crystaline solid with a mild, aromatic odor.

CAS 26225-79-6 C13H18O5S 286.35 g/mol Warning

01 · Identification

What Ethofumesate is

Ethofumesate is a white crystaline solid with a mild, aromatic odor. Its molecular formula is C13H18O5S and its molecular weight is 286.35 g/mol. It melts at 71 °C.

Under the GHS it carries the signal word Warning.

CAS number26225-79-6
EC number247-525-3
Index number607-314-00-2
Molecular formulaC13H18O5S
Molecular weight286.35 g/mol

Other names for Ethofumesate

  • ethofumesate (ISO)
  • (RS)-2-ethoxy-2,3-di­hydro-3,3-dimethyl­benzofuran-5-yl methanesulfonate

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordWarning
Hazard statements assigned to Ethofumesate
CodeHazard statement
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements: P273, P391, P501

03 · Physical and chemical properties

Ethofumesate properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property Value Conditions Source
Melting point 71 °C (159.8 °F) range, midpoint shown HSDB
70 °C (158 °F) range, midpoint shown HSDB
Density 1.29 g/cm³ at 20 °C HSDB
Solubility In water, 50 mg/L at 25 °C at 25 °C HSDB
Vapor pressure 0.0000049 mmHg at 25 °C HSDB
0.0000049 mmHg Haz-Map
Flash point Non-combustibile HSDB

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

04 · Source notes

Further notes on Ethofumesate

These are descriptions rather than measured values, so they are kept out of the table above and quoted here with the source that reported them.

Solubility

>600 mg/L in acetone, dichloromethane, dimethyl sulfoxide, ethyl acetate; 300-600 g/L in toluene and p-xylene; 120-150 g/L in methanol; 60-76 g/L in ethanol; 25-30 g/L in isopropanol; 4.67 g/L in hexane

Source: HSDB

05 · Handling and storage

Storing and handling Ethofumesate

Storage conditions

Do not store near food feed or fertilizer.Flowable formulation non-combustible can be stored down to 15 °F.

Source: Hazardous Substances Data Bank (HSDB)

Planning storage for a mix of chemicals? Check Ethofumesate in the storage compatibility matrix →

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