Molekula
Diethyl phthalate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Diethyl phthalate is a colorless, odorless liquid commonly used as a plasticizer in polymers and as a solvent in various industrial applications. It is also used in the production of cosmetics, pharmaceuticals, and coatings. CAS: 84-66-2, Molecular Formula: C6H4-1,2-(CO2C2H5)2, Molecular Weight: 222.24 g/mol, Storage: Ambient, Signal Word: None. Molekula supplies Diethyl phthalate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
500 g — £30.90 per pack ex VAT · £37.08 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 170 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless oily liquid |
| Odour | Practically odorless |
| Melting Point | -40.5 °C |
| Boiling Point | 295 °C |
| Density | 1.1 (relative, water = 1) |
| Solubility (other solvents) | Miscible with ethanol, ethyl ether. Soluble in acetone, benzene, carbon tetrachloride |
| Vapour Pressure | 2.1 × 10⁻³ mmHg at 25 °C |
| Refractive Index | 1.5002 |
| log P (octanol/water) | 2.47 |
Source: PubChem CID 6781 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 31953402 |
| CAS Number | 84-66-2 |
| IUPAC Name | diethyl benzene-1,2-dicarboxylate |
| EC Number | 201-550-6 |
| Molecular Formula | C12H14O4 |
| Molecular Weight | 222.24 |
| Exact Mass | 222.0892 |
| SMILES | CCOC(=O)C1=CC=CC=C1C(=O)OCC |
| InChIKey | FLKPEMZONWLCSK-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H14O4/c1-3-15-11(13)9-7-5-6-8-10(9)12(14)16-4-2/h5-8H,3-4H2,1-2H3 |
| PubChem CID | 6781 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2917.34.0150 |
| Tariff Code | 2917340090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Anozol
- diethyl benzene-1,2-dicarboxylate
- Ethyl phthalate
- Neantine
- Palatinol A
- phthalic acid diethyl ester
- Phthalol
- Placidol E
- Solvanol
- Unimoll DA
Frequently asked questions
What is diethyl phthalate (DEP) commonly used for?
Diethyl phthalate is primarily used as a plasticizer in cellulose acetate products, such as lacquers and varnishes, and as a solvent in perfumes, inks, and adhesives.
What is the molecular formula and molecular weight of diethyl phthalate?
The molecular formula is **C12H14O4**, and the molecular weight is **222.24 g/mol**.
How should diethyl phthalate be stored?
Store diethyl phthalate at **ambient temperature** in a cool, dry place, away from sources of ignition.
What grades or purity levels of diethyl phthalate does Molekula supply?
Molekula supplies **technical-grade diethyl phthalate** with high purity, suitable for industrial applications.
Can Molekula supply diethyl phthalate in bulk quantities?
Yes, Molekula can provide diethyl phthalate in **bulk quantities** to meet large-scale production needs.
What documentation comes with an order of diethyl phthalate?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.