Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

Build a label

Substance profile

Fluroxypyr

Fluroxypyr is a white crystalline solid.

CAS 69377-81-7 C7H5Cl2FN2O3 255.03 g/mol

01 · Identification

What Fluroxypyr is

Fluroxypyr is a white crystalline solid. Its molecular formula is C7H5Cl2FN2O3 and its molecular weight is 255.03 g/mol. It melts at 232 °C.

CAS number69377-81-7
Index number607-255-00-2
Molecular formulaC7H5Cl2FN2O3
Molecular weight255.03 g/mol

Other names for Fluroxypyr

  • fluroxypyr (ISO)
  • 4-amino-3,5-dichloro-6-fluoro-2-pyridyloxyacetic acid

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.

Hazard statements assigned to Fluroxypyr
CodeHazard statement
H412 Harmful to aquatic life with long lasting effects.

Precautionary statements: P273, P501

03 · Physical and chemical properties

Fluroxypyr 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 232 °C (449.6 °F) HSDB
20 °C (68 °F) HSDB
Density 1.09 g/cm³ at 24 °C HSDB
Solubility Water solubility = 0.091 g/L at 20 °C at 20 °C HSDB
In acetone 51.0, methanol 34.6, ethyl acetate 10.6, isopropanol 9.2, dichloromethane 0.1, toluene 0.8, xylene 0.3 (all in g/L, 20 °C) at 20 °C HSDB
In water at 20 °C, 5700 mg/L (pH 5.0), 7300 mg/L (pH 9.2) at 20 °C HSDB
Vapor pressure 9.42e-7 mmHg at 25 °C HSDB
3.75e-7 mmHg at 25 °C HSDB
9.4e-7 mmHg Haz-Map

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

04 · Handling and storage

Storing and handling Fluroxypyr

Storage conditions

Do not use or store near heat or open flame.

Source: Hazardous Substances Data Bank (HSDB)

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

Get the free GHS / CLP / OSHA deadline calendar

Verified 2026–2029 compliance dates in one PDF — plus alerts when the rules change.