Diethyl phthalate (DEP)
2022-10-31
1, The chemical formula and molecular weight
Chemical formula: C12H14O4
Molecular Weight: 222.24
CAS: 84-66-2
2, properties and uses
① Colorless transparent oily liquid with a slightly aromatic fragrance. Viscosity of 13 cps (20 ℃), refractive index 1.499 ~ 1.502 (20 ℃).
② The product with vinyl resins, cellulose resins, etc. Most have good compatibility. Often as a cellulose resin plasticizer, has good low temperature flexibility and durability. And DMP and used products can improve water resistance and elasticity.
③ This product is also used as a spice diluents, lubricants, gas chromatography stationary phase and the like.
3, quality indicators
| Item | Index | ||
| Grade product | Qualified | ||
| Appearance | Transparent, no visible quality oily liquid | ||
| Color (platinum - cobalt)， ≤ | 20 | 30 | |
| Acid value (in terms terephthalate)，％ ≤ | 0.1 | 0.2 | |
| Density（20℃），g/cm³ | 1.118～1.122 | ||
| Content（GC），℅ ≥ | 99.5 | 99.0 | |
| Water content，％ ≤ | 0.15 | 0.15 | |
4, packaging and storage safety
①200L plastic bucket, net weight 230 kg / barrel, or according to customer requirements.
② stored in a dry place indoors, the transport process should prevent crashing and rain.
③ high fever case, the fire or contact with oxidants, cause a fire danger.
