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

Chlorfenapyr

Chlorfenapyr is a light tan or light yellow powdered solid with a characteristic of halides and ketones odor.

CAS 122453-73-0 C15H11BrClF3N2O 407.61 g/mol Danger

01 · Identification

What Chlorfenapyr is

Chlorfenapyr is a light tan or light yellow powdered solid with a characteristic of halides and ketones odor. Its molecular formula is C15H11BrClF3N2O and its molecular weight is 407.61 g/mol. It melts at 101 °C.

Under the GHS it carries the signal word Danger.

CAS number122453-73-0
EC number-
Index number608-034-00-3
Molecular formulaC15H11BrClF3N2O
Molecular weight407.61 g/mol

Other names for Chlorfenapyr

  • chlorfenapyr (ISO)
  • 4-bromo-2-(4-chlorophenyl)-1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile

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 Chlorfenapyr
CodeHazard statement
H331 Toxic if inhaled.
H302 Harmful if swallowed.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements: P260, P270, P271, P273, P301, P304, P310, P312, P330, P391, P501

03 · Physical and chemical properties

Chlorfenapyr 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 100.5 °C (212.9 °F) range, midpoint shown HSDB
91.5 °C (196.7 °F) range, midpoint shown HSDB
Density 0.543 g/cm³ HSDB
Solubility Soluble in acetone, diethyl ether, DMSO, THF, acetonitrile, alcohols. Insoluble in water HSDB
Solubities at 25 °C. [Table#7120] at 25 °C HSDB
Solubities in water at 25 °C. [Table#7121] at 25 °C HSDB
Vapor pressure 7e-8 mmHg Haz-Map
Lower explosive limit (LEL) Not explosive HSDB

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

04 · Handling and storage

Storing and handling Chlorfenapyr

Storage conditions

Do not store below 32 °F. ... Store in a secure, dry, ventilated area away from children, livestock, and food. Do not store in direct sunlight or heat.

Source: Hazardous Substances Data Bank (HSDB)

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

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