Molekula
Triethyl orthoacetate
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
Triethyl orthoacetate is a colorless liquid used as a reagent in organic synthesis, particularly in the formation of heterocyclic compounds and as an acylating agent. It is a versatile building block in pharmaceutical and fine chemical manufacturing. Available in 100 mL, 500 mL, and 1 L bottles, it has a molecular weight of 162.23 g/mol, a CAS number of 78-39-7, and should be stored at ambient temperature. It carries a warning signal word due to its flammability and reactivity. Molekula supplies Triethyl orthoacetate 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 | Colourless to light yellow liquid |
| Assay | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 39 °C |
| Transport Class | 3 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 11889482 |
| CAS Number | 78-39-7 |
| IUPAC Name | 1,1,1-triethoxyethane |
| EC Number | 201-112-4 |
| Molecular Formula | CH3C(OC2H5)3 |
| Molecular Weight | 162.23 |
| Exact Mass | 162.1256 |
| SMILES | CCOC(C)(OCC)OCC |
| InChIKey | NDQXKKFRNOPRDW-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H18O3/c1-5-9-8(4,10-6-2)11-7-3/h5-7H2,1-4H3 |
| PubChem CID | 66221 |
| UN Number | UN3272 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29159050 |
| Tariff Code | 2915907098 |
Safety & GHS
-
Flammable
GHS02
-
Health Hazard
GHS07
Hazard statements
- H226 Flammable liquid and vapour
- H315 Causes skin irritation
- H319 Causes serious eye irritation
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
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
- 1,1,1-Triethoxyethane
- diethoxydiethyl ether
- Ethane, 1,1,1-triethoxy-
- Ethyl orthoacetate
- NDQXKKFRNOPRDW-UHFFFAOYSA-N
- Orthoacetic acid, triethyl ester
- triethoxyethane
- triethy orthoacetate
- triethyl ortho-aceate
Frequently asked questions
What is triethyl orthoacetate used for?
It is primarily used as a reagent in organic synthesis, particularly in the formation of heterocyclic compounds and as an acylating agent.
What is the chemical formula and molecular weight of triethyl orthoacetate?
The formula is CH3C(OC2H5)3 with a molecular weight of 162.23 g/mol.
How should triethyl orthoacetate be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade of triethyl orthoacetate does Molekula supply?
Molekula supplies triethyl orthoacetate in technical grade, suitable for laboratory and industrial use.
Can Molekula supply triethyl orthoacetate in bulk?
Yes, Molekula can supply triethyl orthoacetate in bulk quantities—please contact sales for details.
What documentation comes with a purchase of triethyl orthoacetate?
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.