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

Thiometon

Thiometon is a colorless oil with a characteristic odor.

CAS 640-15-3 C6H15O2PS3 246.4 g/mol Danger

01 · Identification

What Thiometon is

Thiometon is a colorless oil with a characteristic odor. Its molecular formula is C6H15O2PS3 and its molecular weight is 246.4 g/mol.

Under the GHS it carries the signal word Danger.

CAS number640-15-3
EC number211-362-6
Index number015-050-00-9
Molecular formulaC6H15O2PS3
Molecular weight246.4 g/mol

Other names for Thiometon

  • thiometon (ISO)
  • S-2-ethylthioethyl O,O-dimethyl phosphorodithioate

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 wordDanger
Hazard statements assigned to Thiometon
CodeHazard statement
H301 Toxic if swallowed.
H312 Harmful in contact with skin.

Precautionary statements: P270, P280, P301, P302, P310, P312, P330, P352

03 · Physical and chemical properties

Thiometon 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
Boiling point 110 °C (230 °F) at 0.1 mmHg (reduced pressure) HSDB
110 °C (230 °F) at 97.508 mmHg (reduced pressure) ICSC
Density 1.2 g/cm³ ICSC
1.209 g/cm³ at 20 °C HSDB
Solubility It is slightly soluble in light petroleum; soluble in most organic solvents. HSDB
Readily soluble in common organic solvents. Slightly soluble in petroleum ether and mineral oils. HSDB
200 mg/l in water @ 25 °C at 25 °C HSDB
Vapor pressure 0.000017 mmHg at 20 °C HSDB
0.00015 mmHg at 20 °C ICSC
0.000017 mmHg Haz-Map
Vapor density 8.5 (air = 1) ICSC
Corrosivity Non-corrosive HSDB

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

04 · Handling and storage

Storing and handling Thiometon

Storage conditions

Formulations are said to be stable for at least 2 yr when stored below 40 °C.

Source: Hazardous Substances Data Bank (HSDB)

Incompatible materials

Incompatible with alkaline preparations and formulating materials.

Source: Hazardous Substances Data Bank (HSDB)

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

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