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

Prothioconazole

Prothioconazole is a white to light beige crystalline powder.

CAS 178928-70-6 C14H15Cl2N3OS 344.3 g/mol Warning

01 · Identification

What Prothioconazole is

Prothioconazole is a white to light beige crystalline powder. Its molecular formula is C14H15Cl2N3OS and its molecular weight is 344.3 g/mol. It boils at 587 °C, melts at 142 °C.

Under the GHS it carries the signal word Warning.

CAS number178928-70-6
Index number613-337-00-9
Molecular formulaC14H15Cl2N3OS
Molecular weight344.3 g/mol

Other names for Prothioconazole

  • prothioconazole (ISO)
  • 2-[2-(1-chlorocyclopropyl)-3-(2-chlorophenyl)-2-hydroxypropyl]-2,4-dihydro-3H-1,2,4-triazole-3-thione

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 Prothioconazole
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

Prothioconazole 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 587 °C (1088.6 °F) calc HSDB
Melting point 141.8 °C (287.2 °F) range, midpoint shown HSDB
Density 1.36 g/cm³ at 20 °C HSDB
Solubility In water, 300 mg/L at 20 °C at 20 °C HSDB
Vapor pressure 3e-7 mmHg below this value, at 20 °C HSDB

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

04 · Source notes

Further notes on Prothioconazole

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

In n-hexane <0.1, xylene 8, n-octanol 58, isopropanol 87, acetonitrile 69, DMSO 126, dichloromethane 88, ethyl acetate, polyethylene glycol and acetone all >250 (all in g/L, 20 °C)

Source: HSDB

05 · Handling and storage

Storing and handling Prothioconazole

Storage conditions

Store in a cool, dry place and in such a manner as to prevent cross contamination with other pesticides, fertilizers, food, and feed. Store in original container and out of the reach of children, preferably in a locked storage area. Handle and open container in a manner as to prevent spillage./Proline 480 SC Fungicide/

Source: Hazardous Substances Data Bank (HSDB)

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

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