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

Bioresmethrin

Bioresmethrin: viscous yellow oil or paste (technical grade); practically colourless when pure.

CAS 28434-01-7 C22H26O3 338.4 g/mol Warning

01 · Identification

What Bioresmethrin is

Bioresmethrin: viscous yellow oil or paste (technical grade); practically colourless when pure. Its molecular formula is C22H26O3 and its molecular weight is 338.4 g/mol. It melts at 32.5 °C.

Under the GHS it carries the signal word Warning.

CAS number28434-01-7
EC number249-014-0
Index number613-120-00-9
Molecular formulaC22H26O3
Molecular weight338.4 g/mol

Other names for Bioresmethrin

  • bioresmethrin (ISO)
  • (5-benzyl-3-furyl)methyl (1R)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropanecarboxylate

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 Bioresmethrin
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

Bioresmethrin 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 32.5 °C (90.5 °F) range, midpoint shown ICSC
Density 1.05 g/cm³ ICSC
Solubility Solubility in water: none ICSC
Vapor pressure Vapor pressure, Pa at 25 °C: at 25 °C ICSC

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

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