- Tianqiao District, Jinan City, Shandong Province, China
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Di(2-ethylhexyl) phthalate (DEHP, CAS 117-81-7, C₂₄H₃₈O₄, MW ~390.56) is stable under normal conditions but hydrolyzes slowly in acid/alkali, decomposing into phthalic acid and 2-ethylhexanol; it has low volatility and good thermal stability but may degrade above 200°C, is highly soluble in organic solvents but barely in water (0.25 mg/L at 25°C), undergoes transesterification with alcohols and saponification in strong alkali, and is compatible with many polymers as a plasticizer, though susceptible to oxidation by strong agents.
| Melting point | -50 °C |
| Boiling point | 386 °C (lit.) |
| density | 0.985 g/mL at 20 °C (lit.) |
| vapor density | >16 (vs air) |
| Pour Point | -46 |
| vapor pressure | 1.2 mm Hg ( 93 °C) |
| refractive index | n20/D 1.488 |
| Fp | 405 °F |
| storage temp. | 2-8°C |
| solubility | Miscible with mineral oil and hexane (U.S. EPA, 1985) |
| form | Liquid |
| color | APHA: ≤10 |
| Odor | Very slight, characteristic. |
| Water Solubility | Negligible |
| FreezingPoint | <-60℃ |
| Merck | 142864 |
| BRN | 1890696 |
| Henry’s Law Constant | (x 10-5 atm?m3/mol): 1.1 at 25 °C (calculated, Howard, 1989) |
| Exposure limits | Potential occupational carcinogen. NIOSH REL: TWA 5, STEL 10, IDLH 5,000; OSHA PEL: TWA 5; ACGIH TLV: TWA 5 (adopted). |
| Dielectric constant | 5.1（24℃） |
| LogP | 7.5 at 20℃ |
| CAS DataBase Reference | 117-81-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Bis(2-ethylhexyl)phthalate(117-81-7) |
| IARC | 2B (Vol. Sup 7, 77, 101) 2013 |
| EPA Substance Registry System | Di(2-ethylhexyl) phthalate (117-81-7) |
Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.
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