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Products Description of Dibutyl phthalate CAS# 84-74-2
Dibutyl phthalate, commonly abbreviated as DBP, is industrial grade product with purity not lower than 99%. It is a flammable colorless transparent oily liquid and features a characteristic aromatic odor.
Its melting point is -35℃ and boiling point is 338℃. The vapor pressure is 0.014 Pa at 25℃, and the relative density is 1.045 under 20℃ standard condition. It barely dissolves in water, with water solubility of 0.03 g/L at 25℃, while it can be well dissolved in most kinds of organic solvents.
This chemical owns stable inherent properties in conventional environments. Direct contact with strong oxidants, concentrated acids and strong alkaline substances should be strictly avoided during storage and application to prevent undesired chemical changes.
Parameters
| Parameter | Value |
| 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
| Item | Details |
| 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 |
| OEB | B |
| OEL | TWA: 5 mg/m3 |
| RIDADR | UN 3082 9/PG 3 |
| WGK Germany | 2 |
| RTECS | TI0875000 |
| Autoignition Temperature | 756 °F |
| TSCA | Yes |
| HazardClass | 9 |
| PackingGroup | III |
| HS Code | 29173100 |
| Hazardous Substances Data | 84-74-2(Hazardous Substances Data) |
| Toxicity | Acute oral LD50 for rats 8,000 mg/kg (RTECS, 1985). |
| IDLA | 4,000 mg/m3 |
Product Application of Dibutyl phthalate CAS# 84-74-2
Dibutyl phthalate has extensive application ranges across multiple industrial fields. It is commonly adopted as an essential plasticizer for diverse plastic products, and also widely utilized in cosmetics, safety glass manufacturing, pesticides and insecticide formulations, printing inks, paper surface coatings as well as various adhesives, elastomers and industrial explosives.
It acts as an effective dissolving medium applied in polysulfide-based dental impression materials. Besides, it can serve as a solvent for essence and fragrance oils, and work as a stable perfume fixative to retain fragrance lasting effect.
This compound can be used as lubricant additives for textile processing. It is also applicable as raw material component for solid rocket propellants. In daily chemical products, it functions as skin emollient ingredient in aerosol antiperspirant goods, and can be prepared into effective insect repellent products.
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