Functional Roles
Industries Served
Physical Properties
melting_point
-31 u00b0F (NTP, 1992)
boiling_point
644 u00b0F at 760 mmHg (NTP, 1992)
density
1.049 at 68 u00b0F (USCG, 1999) - Denser than water; will sink
solubility
less than 1 mg/mL at 68 u00b0F (NTP, 1992)
vapor_pressure
1 mmHg at 297 u00b0F ; 1.1 mmHg at 302 u00b0F (NTP, 1992)
flash_point
315 u00b0F (NTP, 1992)
GHS / SDS Safety
Danger
Environmental Hazard
Irritant
Health Hazard
- H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
- H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H316: Causes mild skin irritation [Warning Skin corrosion/irritation]
- H400 (> 99.9%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
- H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
- H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
- H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
- H303: May be harmful if swallowed [Warning Acute toxicity, oral]
- H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
- H360Df: May damage the unborn child; Suspected of damaging fertility [Danger Reproductive toxicity]
- H360: May damage fertility or the unborn child [Danger Reproductive toxicity]
- H320: Causes eye irritation [Warning Serious eye damage/eye irritation]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H360 (97.1%): May damage fertility or the unborn child [Danger Reproductive toxicity]
Chemical Identity
| CAS Number | 84-74-2 |
| IUPAC Name | dibutyl benzene-1,2-dicarboxylate |
| InChI Key | DOIRQSBPFJWKBE-UHFFFAOYSA-N |
| PubChem CID | 3026 |
| INCI Name | DIBUTYL PHTHALATE |
Synonyms & Trade Names
Full Description
Di-n-Butyl Phthalate (CAS 84-74-2) is a phthalate ester specialty additive that functions as a plasticizer and lubricant in industrial formulations. This chemical serves critical roles in plastics and polymers processing as well as HI&I cleaning applications. With a molecular weight of 278.34 g/mol and density of 1.049 at 68°F, DBP provides reliable performance characteristics for manufacturers requiring consistent plasticization and lubrication properties.