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

Carfentrazone-ethyl

Carfentrazone-ethyl is a viscous yellow-orange liquid with a faint petroleum odor.

CAS 128639-02-1 Warning

01 · Identification

What Carfentrazone-ethyl is

Carfentrazone-ethyl is a viscous yellow-orange liquid with a faint petroleum odor. It boils at 353 °C, melts at -22.1 °C.

Under the GHS it carries the signal word Warning.

CAS number128639-02-1
Index number607-309-00-5

Other names for Carfentrazone-ethyl

  • carfentrazone-ethyl (ISO)
  • ethyl (RS)-2-chloro-3-[2-chloro-4-fluoro-5-[4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl]phenyl]propionate

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 Carfentrazone-ethyl
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

Carfentrazone-ethyl 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 352.5 °C (666.5 °F) range, midpoint shown HSDB
Melting point -22.1 °C (-7.8 °F) HSDB
Density 1.457 g/cm³ at 20 °C HSDB
Solubility In water, 12 mg/L at 20 °C, 22 mg/L at 25 °C, and 23 mg/L at 30 °C. at 20 °C HSDB
Vapor pressure 1.2e-7 mmHg at 25 °C HSDB
1.2e-7 mmHg Haz-Map

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

04 · Source notes

Further notes on Carfentrazone-ethyl

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

Solubility in toluene 0.9 g/mL at 20 °C,1.06 g/mL at 25 °C, 1.2 g/mL at 25 °C. Solubility in hexane 0.03 g/mL at 20 °C, 0.05 g/mL at 25 °C, 0.05 g/mL at 30 °C. Miscible in all proportions with acetone, ethanol, ethyl acetate, methylene chloride.

Source: HSDB

05 · Handling and storage

Storing and handling Carfentrazone-ethyl

Storage conditions

Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must carefully resealed and kept upright to prevent leakage. Recommended storage temperature: 2-8 °C.

Source: Hazardous Substances Data Bank (HSDB)

Planning storage for a mix of chemicals? Check Carfentrazone-ethyl in the storage compatibility matrix →

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