Molekula
1,4-Diethylbenzene
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
1,4-Diethylbenzene is a synthetic organic compound used as a chemical intermediate in the production of dyes, pharmaceuticals, and specialty polymers. It is also used as a solvent in the Parex process for producing paraxylene, as a starting material for making divinylbenzene, and in powderless etching. It is a colorless to pale yellow liquid with a mild aromatic odor. CAS: 105-05-5, Molecular Formula: C10H14, Molecular Weight: 134.22 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies 1,4-Diethylbenzene 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.
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5 g — £46.20 per pack ex VAT · £55.44 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Colorless transparent liquid |
| Density | 0.8655±0.005 |
| Chloride (Cl-) | ≤1.0mg/kg |
| Assay | 99% min |
| Active Oxygen | ≤1.0%mg/kg |
| Lead (Pb) | ≤10ppm |
| Arsenic (As) | ≤5ppm |
| Copper (Cu) | ≤5ppm |
| Bromine index | 5.0mgBr/100g |
| Total nitrogen (N) | ≤1.0mg/kg |
| C8 arene constituent | ≤0.03% |
| C9 arene constituent | ≤0.10% |
| Other C10 alkylbenzene | Balanced |
| C11 arene and heavy constituent | ≤0.10% |
| Carbonyl NO | ≤1.0mg/L |
| Sulphur (S) | ≤1.0mg/kg |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 56 °C |
| Transport Class | 3 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Odour | Characteristic aromatic; like benzene, like toluene |
| Melting Point | -42.83 °C |
| Boiling Point | 183.7 °C |
| Water Solubility | 24.8 mg/L at 25 °C |
| Solubility (other solvents) | Soluble in alcohol, benzene, carbon tetrachloride, ether. (Diethylbenzene) |
| Vapour Pressure | 1.03 mmHg at 25 °C |
| Refractive Index | 1.4967 |
| log P (octanol/water) | 4.45 |
Source: PubChem CID 7734 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 46622747 |
| CAS Number | 105-05-5 |
| IUPAC Name | 1,4-diethylbenzene |
| EC Number | 203-265-2 |
| Molecular Formula | C10H14 |
| Molecular Weight | 134.22 |
| Exact Mass | 134.1096 |
| SMILES | CCC1=CC=C(C=C1)CC |
| InChIKey | DSNHSQKRULAAEI-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H14/c1-3-9-5-7-10(4-2)8-6-9/h5-8H,3-4H2,1-2H3 |
| PubChem CID | 7734 |
| UN Number | UN2049 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2902.90.3050 |
| Tariff Code | 2902900000 |
Safety & GHS
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Flammable
GHS02
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Corrosive
GHS05
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H226 Flammable liquid and vapour
- H304 May be fatal if swallowed and enters airways
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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
- Benzene, 1,4-diethyl-
- Benzene, p-diethyl-
- DIETHYLBENZENE, 1,4-
- DIETHYLBENZENE, P-
- p-Diethylbenzene
- p-Diethylbenzene 1,4-Diethylbenzene
- p-Ethylethylbenzene
- para-Diethylbenzene
Frequently asked questions
What is 1,4-Diethylbenzene used for?
It is primarily used as an intermediate in the synthesis of specialty chemicals and polymers, and as a solvent in research applications.
What is the chemical formula and molecular weight of 1,4-Diethylbenzene?
The formula is C10H14 with a molecular weight of 134.22 g/mol.
How should 1,4-Diethylbenzene be stored?
It should be stored at ambient temperature in a tightly closed container, away from heat and ignition sources.
What grade is available for 1,4-Diethylbenzene?
Available in technical grade; custom purity levels may be requested.
Can Molekula supply 1,4-Diethylbenzene in bulk?
Yes, bulk quantities are available upon request; please contact our sales team for pricing and availability.
What documentation comes with an order of 1,4-Diethylbenzene?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.