Appearance: clear liquid
Assay: 99%
Packing: 170kg/drum
Capacity: 30000MT/year
Sample: Available
P-Diethylbenzene (PDEB) CAS 105-05-5
Description
P-Diethylbenzene(PDEB) Quick Details
Chemical Name: P-Diethylbenzene
Synonyms: PDEB; 1,4-Diethylbenzene; Para-diethylbenzene
CAS No.: 105-05-5
Molecular Formula: C10H14
Molecular weight: 134.22
Appearance: clear liquid
Assay: 99%
P-Diethylbenzene(PDEB) Typical Properties
| Item | Specifications |
| Para-diethylbenzene | ≥99.0% |
| Specific gravity(20/4℃) | 0.863±0.005 |
| C9 aromatics lighters | ≤0.25% |
| Other C10s | Balance |
| C11 aromatics heaviers | ≤0.25% |
| Total sulphur | ≤1.0ppm |
| Total chloride | ≤1.0ppm |
| Total nitrogen | ≤1.0ppm |
| Carbonyl No. | ≤1.0mg/l |
| Bromine index | ≤5.0mgBr/100g |
| Melting/Freezing point | -43°C |
| Boiling point | 183 – 185°C at 760 mmHg |
| Density | 0.860 – 0.865 g/cm³ at 20°C |
| Refractive index | 1.4440 – 1.4980 at 20°C |
| Flash point | 55 – 57°C |
P-Diethylbenzene(PDEB) Usage
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Dedicated Desorbent for Para-Xylene (PX) Units (Core Petrochemical Domain): Serves as the premier high-selectivity desorbent/eluent for Para-Xylene (PX) adsorptive separation complexes (e.g., UOP Parex technology) within modern petrochemical refineries.
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Mechanism: During the molecular sieve separation of C8 aromatics, PDEB’s boiling point and adsorption affinity closely complement PX, effectively stripping adsorbed PX out of zeolite channels while enabling easy downstream fractional distillation recovery.
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Dehydrogenation Precursor for p-Divinylbenzene (p-DVB): Catalytically dehydrogenated to synthesize high-purity p-Divinylbenzene (p-DVB), an essential crosslinking monomer used in producing high-capacity ion exchange resins, crosslinked polystyrenes, and HPLC stationary phases.
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Specialty Solvent & Synthesis Intermediate: Applied as a high-boiling aromatic reaction solvent, industrial degreasing component, and organic building block for specialty polymers, fine fragrances, and agrochemical active ingredients.
P-Diethylbenzene(PDEB) Packaging and Shipping
Packing: 170kg/drum
Delivery: Within 10 working days
P-Diethylbenzene(PDEB) Storage
Must be stored in a cool, dry, and well-ventilated dedicated hazardous chemicals warehouse. Keep strictly away from open flames, ignition vectors, and direct sunlight; suggested storage temperatures should not exceed 30°C. Keep containers hermetically sealed, nitrogen-blanketed, and protected from humidity.