COA Diethyl phthalate.pdfProduct name: Diethyl Phthalate (DEP)
Synonyms: Phthalic acid diethyl ester, DEP, 1,2‑benzenedicarboxylic acid diethyl ester
CAS‑No：84‑66‑2
EINECS：201‑550‑6
Molecular Formula：C12H14O4
MW：222.24 g/mol
Grade: Industrial / Perfume / Cosmetic Grade
Typical Assay: ≥99.0% GC
Appearance: Colorless clear oily liquid, faint aromatic odor
Physical‑Chemical Properties
| Parameter | Value | Condition |
|---|---|---|
| Density | 1.118‑1.122 g/cm³ | 25 ℃ |
| Refractive Index nD | 1.499‑1.502 | 20 ℃ |
| Melting Point | ‑3 ℃ | lit. |
| Boiling Point | 298‑299 ℃ | 760 mmHg |
| Flash Point (closed cup) | 156 ℃ (313 ℉) | CC |
| Viscosity | 13 mPa·s | 20 ℃ |
| Solubility | Practically insoluble in water; miscible with ethanol, ether, acetone, benzene | ‑ |
| Vapor Pressure | 1 mmHg @100 ℃ | ‑ |
| APHA Color | ≤30 | ‑ |
Typical Specification (Industrial Grade 99%)
| Test Item | Specification |
|---|---|
| Purity (GC) | ≥99.0 % |
| Water Content | ≤0.10 % |
| Acidity (as phthalic acid) | ≤0.02 % |
| Color (APHA) | ≤30 |
| Freezing Point | ≤‑2.0 ℃ |
Applications
Plasticizer: for cellulose acetate, cellulose nitrate, coatings, adhesives, rubber, printing inks
Fragrance & Cosmetics: fragrance fixative, solvent for perfume & personal‑care formulations
Special solvent: GC stationary liquid, synthetic intermediate, insect‑repellent raw material
Other: alcohol denaturant, flotation agent for mineral processing
Storage & Handling
Store in cool, dry, well‑ventilated warehouse, below 30 ℃.Keep tightly sealed, away from heat, open flame and strong oxidizing agents.
Wear chemical‑resistant gloves, safety goggles; avoid skin/eye contact, avoid vapor inhalation.
Packaging & Transport
Package: 200 kg iron drum / 1000L IBC tankHS Code: 29173400
UN‑No: UN 3082
Hazard Class: 9 (Environmentally hazardous substance), Packing Group III
chemical.tnj
+8618949823763
tnjchem
2881500864