Molekula
Diethylene glycol
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
Diethylene glycol is a colorless, odorless liquid used as a solvent, antifreeze, and intermediate in chemical synthesis. It is also employed in the production of resins, plastics, and pharmaceuticals. Available in 1 kg, 5 kg, and 25 kg packaging, it has a molecular weight of 106.12 g/mol, a molecular formula of C4H10O3, and a CAS number of 111-46-6. Stored at ambient temperatures, it carries a warning signal word due to its toxicity. Molekula supplies diethylene glycol 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.
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500 mL — £67.00 per pack ex VAT · £80.40 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
| Property | Value |
|---|---|
| Appearance | Clear, colourless Liquid |
| Colour (Pt-Co) | ≤15 |
| Water | ≤0.2% |
| Specific Gravity 20/20°C | 1.117- 1.120 |
| Initial Boiling Point | ≥242°C |
| Dry Point | ≤250°C |
| Acid (Based on acetic acid) | ≤0.01% |
| Diethylene glycol (%) | ≥99.50% |
| Monoethylene glycol, % | ≤0.3% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 138 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless syrupy liquid |
| Odour | Practically odorless |
| Melting Point | -10.4 °C |
| Boiling Point | 245.8 °C |
| Density | 1.12 (relative, water = 1) |
| Solubility (other solvents) | Soluble in chloroform |
| Vapour Pressure | 2.7 Pa at 20 °C |
| Refractive Index | 1.4472 |
Source: PubChem CID 8117 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90026477 |
| CAS Number | 111-46-6 |
| IUPAC Name | 2-(2-hydroxyethoxy)ethanol |
| EC Number | 203-872-2 |
| Molecular Formula | C4H10O3 |
| Molecular Weight | 106.12 |
| Exact Mass | 106.063 |
| SMILES | C(COCCO)O |
| InChIKey | MTHSVFCYNBDYFN-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H10O3/c5-1-3-7-4-2-6/h5-6H,1-4H2 |
| PubChem CID | 8117 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29094100 |
| Tariff Code | 2909410000 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H227 Combustible liquid
- H302 Harmful if swallowed
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- 2-(2-Hydroxyethoxy)ethanol
- 2-Hydroxyethyl ether
- 2,2'-Oxybisethanol
- 2,2'-Oxydiethanol
- Bis(2-hydroxyethyl) ether
- Diethylenglykol
- Diglycol
- Digol
- Ethanol, 2,2'-oxybis-
- Glycol ether
Frequently asked questions
What is diethylene glycol used for?
Diethylene glycol is commonly used as a solvent, antifreeze, and in the production of resins and plastics.
What is the chemical formula and molecular weight of diethylene glycol?
The formula is C4H10O3 and the molecular weight is 106.12 g/mol.
How should diethylene glycol be stored?
It should be stored at ambient temperature, away from direct sunlight and incompatible materials.
What grade of diethylene glycol does Molekula supply?
Molekula supplies technical grade diethylene glycol.
Can Molekula supply diethylene glycol in bulk?
Yes, Molekula can supply diethylene glycol in bulk quantities upon request.
What documentation comes with a diethylene glycol order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
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.