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

Piperonyl Butoxide

Piperonyl Butoxide is a colorless liquid and is odorless.

CAS 51-03-6 C19H30O5 338.4 g/mol Warning

01 · Identification

What Piperonyl Butoxide is

Piperonyl Butoxide is a colorless liquid and is odorless. Its molecular formula is C19H30O5 and its molecular weight is 338.4 g/mol.

Under the GHS it carries the signal word Warning.

CAS number51-03-6
EC number200-076-7
Index number604-096-00-0
Molecular formulaC19H30O5
Molecular weight338.4 g/mol

Other names for Piperonyl Butoxide

  • piperonyl butoxide (ISO)
  • 2-(2-butoxyethoxy)ethyl 6-propylpiperonyl ether

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 Piperonyl Butoxide
CodeHazard statement
H335 May cause respiratory irritation.
H319 Causes serious eye irritation.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

Supplemental EU statements: EUH066

Precautionary statements: P264, P273, P280, P305, P313, P337, P338, P391, P501

03 · Physical and chemical properties

Piperonyl Butoxide 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 180 °C (356 °F) at 1 mmHg (reduced pressure), Technical HSDB
180 °C (356 °F) at 1 mmHg (reduced pressure) CAMEO
180 °C (356 °F) at 0.97508 mmHg (reduced pressure) ICSC
Density 1.1 g/cm³ ICSC
1.06 g/cm³ at 20 °C HSDB
Solubility Miscible with methanol, ethanol, benzene, Freons, Geons, petroleum oils, and other organic solvents HSDB
Solubility in water: none ICSC
In water, 14.3 mg/L at 25 °C at 25 °C HSDB
Vapor pressure 2.6e-7 mmHg Haz-Map
Flash point 171.11 °C (340 °F) HSDB
171 °C (339.8 °F) ICSC
Corrosivity NONCORROSIVE HSDB

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

04 · Handling and storage

Storing and handling Piperonyl Butoxide

Storage conditions

Safe Storage of Pesticides. Always store pesticides in their original containers, complete with labels that list ingredients, directions for use, and first aid steps in case of accidental poisoning. Never store pesticides in cabinets with or near food, animal feed, or medical supplies. Do not store pesticides in places where flooding is possible or in places where they might spill or leak into wells, drains, ground water, or surface water.

Source: Hazardous Substances Data Bank (HSDB)

Incompatible materials

... Can react with oxidizing materials.

Source: Hazardous Substances Data Bank (HSDB)

Reactivity

PIPERONYL BUTOXIDE can react with oxidizing materials. (NTP, 1992)

Source: CAMEO Chemicals

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

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