Substance profile
BBP
BBP is a clear, oil liquid with a slight odor.
01 · Identification
What BBP is
BBP is a clear, oil liquid with a slight odor. Its molecular formula is C19H20O4 and its molecular weight is 312.4 g/mol. It boils at 370 °C, melts at -35 °C.
Under the GHS it carries the signal word Danger. It is classed as carcinogens.
Other names for BBP
- benzyl butyl phthalate
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.
03 · Physical and chemical properties
BBP 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 | 370 °C (698 °F) | HSDB | |
| 370 °C (698 °F) | at 760 mmHg | CAMEO | |
| Melting point | -35 °C (-31 °F) | HSDB | |
| Density | 1.1 g/cm³ | ICSC | |
| 1.12 g/cm³ | at 20 °C | CAMEO | |
| 1.119 g/cm³ | at 25 °C | HSDB | |
| Solubility | Solubility in water, mg/l: 0.71 (very poor) | ICSC | |
| less than 0.1 mg/mL at 72.5 °F (NTP, 1992) | at 22.5 °C | CAMEO | |
| In water, 2.69 mg/L at 25 °C | at 25 °C | HSDB | |
| Vapor pressure | 0.0000086 mmHg | at 20 °C | HSDB |
| 0.00000825 mmHg | at 25 °C | HSDB | |
| Flash point | 198.89 °C (390 °F) | HSDB | |
| 198 °C (388.4 °F) | ICSC | ||
| Autoignition temperature | 232.78 °C (451 °F) | CAMEO | |
| 425 °C (797 °F) | ICSC | ||
| Lower explosive limit (LEL) | 1.2 % by volume | DOE PAC | |
| 1.2 % by volume | at 232.78 °C | CAMEO | |
| Vapor density | 10.8 (air = 1) | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling BBP
Storage conditions
Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Storage class (TRGS 510): Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible with strong acids, nitrates, oxidizers.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
BUTYL BENZYL PHTHALATE is an ester. Esters react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters with alkali metals and hydrides. Can generate electrostatic charges. [Handling Chemicals Safely 1980. p. 250].
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check BBP in the storage compatibility matrix →