Molekula
Diethanolamine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Diethanolamine is a colorless, viscous liquid used in the production of surfactants, emulsifiers, and pharmaceuticals. It acts as a pH adjuster and intermediate in chemical synthesis. Further applications include metalworking and cutting fluids, shampoos and cleaners, and the manufacture of resins, plasticizers and rubber chemicals. CAS: 111-42-2, Molecular Formula: C4H11NO2, Molecular Weight: 105.14 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies Diethanolamine 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
In stock — same-day dispatch
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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1 kg — £45.10 per pack ex VAT · £54.12 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 | Low melt - can appear as a solid below 28 °C or as a viscous liquid above this point |
| Water | ≤0.5% |
| Identification | Conforms to reference |
| Colour | ≤25 |
| Assay | ≥99% |
| Triethanolamine | ≤0.2% |
| Monoethylamine | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 138 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | A faintly colored, viscous liquid or deliquescent prisms |
| Odour | Mild, ammonia-like odor |
| Melting Point | 27.9 °C |
| Boiling Point | 269 °C |
| Density | 1.09 (relative, water = 1) |
| Solubility (other solvents) | Very soluble in water, ethanol; slightly soluble in ethyl ether, benzene |
| Vapour Pressure | 2.8 × 10⁻⁴ mmHg at 25 °C |
| Refractive Index | 1.4753 |
| pKa | pKa = 8.96 |
Source: PubChem CID 8113 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 44380070 |
| CAS Number | 111-42-2 |
| IUPAC Name | 2-(2-hydroxyethylamino)ethanol |
| EC Number | 203-868-0 |
| Molecular Formula | HN(CH2CH2OH)2 |
| Molecular Weight | 105.14 |
| Exact Mass | 105.079 |
| SMILES | C(CO)NCCO |
| InChIKey | ZBCBWPMODOFKDW-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H11NO2/c6-3-1-5-2-4-7/h5-7H,1-4H2 |
| PubChem CID | 8113 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2922.12.0001 |
| Tariff Code | 2922120000 |
Safety & GHS
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Corrosive
GHS05
-
Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H361 Suspected of damaging fertility or the unborn child
- H373 May cause damage to organs through prolonged or repeated exposure
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 2-(2-Hydroxyethylamino)ethanol
- 2,2'-Dihydroxydiethylamine
- 2,2'-Iminodiethanol
- Bis(2-hydroxyethyl)amine
- Diethanolamin
- Diethylolamine
- Diolamine
- Ethanol, 2,2'-iminobis-
- Iminodiethanol
- N,N-Diethanolamine
Frequently asked questions
What is diethanolamine used for?
Diethanolamine is commonly used in the production of surfactants, emulsifiers, and as a pH adjuster in cosmetics and pharmaceuticals.
What is the chemical formula and molecular weight of diethanolamine?
The formula is HN(CH2CH2OH)2 and the molecular weight is 105.14 g/mol.
How should diethanolamine be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade of diethanolamine does Molekula supply?
Molekula supplies technical grade diethanolamine; custom grades are available upon request.
Can Molekula supply diethanolamine in bulk?
Yes, Molekula can supply diethanolamine in bulk quantities; please contact us for pricing and availability.
What documentation comes with a diethanolamine order?
Each order includes a Certificate of Analysis 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.