Dibutyl Phthalate CAS#84-74-2
High Purity – The product offers exceptional purity, reaching ≥99.5%, ensuring reliable and consistent performance.
Excellent Appearance Quality – It is a colorless, clear oily liquid with no suspended matter, reflecting superior quality control.
Low Color Index – The superior grade features a Pt-Co color number ≤20, indicating high transparency and visual clarity.
Mild Odor Profile – It has only a faint aromatic smell, making it suitable for applications requiring low-odor plasticizers or solvents.
Dibutyl Phthalate CAS#84-74-2
Dibutyl phthalate is a clear, colorless oily liquid at room temperature, featuring a faint aromatic scent and free from any suspended impurities. The top-grade product has a color value (Pt-Co scale) of ≤20 and a purity level of ≥99.5%.
Dibutyl phthalate Chemical Properties
Melting point | -35 °C (lit.) |
Boiling point | 340 °C (lit.) |
Density | 1.043 g/mL at 25 °C (lit.) |
Vapor density | 9.6 (vs air) |
Vapor pressure | 1 mm Hg ( 147 °C) |
Refractive index | n20/D 1.492(lit.) |
Fp | 340 °F |
Storage temp | 2-8°C |
Solubility | Very soluble in alcohol, ether, acetone, benzene |
Form | Liquid |
Specific Gravity | 1.049 (20/20℃) |
Color | APHA: ≤10 |
PH | 7 (20°C, 10mg/L) |
Odor | odorless |
Relative polarity | 0.272 |
Explosive limit | 0.47%, 236°F |
Water Solubility | Slightly soluble. 0.0013 g/100 mL |
FreezingPoint | -35℃ |
Merck | 14,3035 |
BRN | 1914064 |
Henry's Law Constant | 6.3 x 10-5 atm?m3/mol (quoted, Petrasek et al., 1983) |
Dielectric constant | 6.0（45℃） |
Exposure limits | NIOSH REL: TWA 5 mg/m3, IDLH 4,000 mg/m3; OSHA PEL: TWA 5 mg/m3; ACGIH TLV: TWA 5 mg/m3. |
InChIKey | DOIRQSBPFJWKBE-UHFFFAOYSA-N |
LogP | 4.46-4.57 at 20-30℃ |
CAS DataBase Reference | 84-74-2(CAS DataBase Reference) |
NIST Chemistry Reference | Dibutyl phthalate(84-74-2) |
EPA Substance Registry System | Dibutyl phthalate (84-74-2) |
Product Usage
Dibutyl phthalate is primarily utilized as a plasticizer in plastics, rubber, and coatings. Additionally, it functions as a lubricant, emulsifier, stationary phase for gas chromatography, and a high-boiling-point solvent. It finds extensive applications in the manufacture of products such as synthetic leather, printing inks, safety glass, insecticides, and fragrance carriers.
