Product Description of Dibutyl Phthalate CAS#84-74-2
Dibutyl Phthalate (DBP) is a clear, colorless oily liquid with a slight aromatic odor at room temperature. It has excellent purity and a clean appearance without visible suspended impurities.
High-quality grades typically feature a color value of ≤20 (Pt-Co scale) and a purity of ≥99.5%, making them suitable for various industrial applications.
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Dibutyl Phthalate CAS#84-74-2 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) |
Safety Information
| Hazard Codes | T,N,F |
| Risk Statements | 61-50-62-39/23/24/25-23/24/25-11 |
| Safety Statements | 53-45-61-36/37-16 |
| RIDADR | UN 3082 9/PG 3 |
| OEB | B |
| OEL | TWA: 5 mg/m3 |
| WGK Germany | 2 |
| RTECS | TI0875000 |
| Autoignition Temperature | 756 °F |
| TSCA | TSCA listed |
| HazardClass | 9 |
| PackingGroup | III |
| HS Code | 29173100 |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| Hazard Classifications | Aquatic Acute 1 Aquatic Chronic 2 Repr. 1B |
| Hazardous Substances Data | 84-74-2(Hazardous Substances Data) |
| Toxicity | Acute oral LD50 for rats 8,000 mg/kg (RTECS, 1985). |
| IDLH | 4,000 mg/m3 |
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Product Application of Dibutyl Phthalate CAS#84-74-2
Dibutyl Phthalate (DBP) is mainly used as a plasticizer in plastics, rubber, and coating industries to improve flexibility and processing performance.
It also serves as a lubricant, emulsifier, high-boiling-point solvent, and stationary phase material in gas chromatography. DBP is widely applied in products such as synthetic leather, printing inks, safety glass, pesticides, and fragrance carriers.
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