Triethyl orthoacetate
Also known as: 1,1,1-Triethoxyethane, Ethyl orthoacetate, Orthoacetic Acid Triethyl Ester, 1,1,1-triethoxy-ethane, Ethane, 1,1,1-triethoxy-
Triethyl orthoacetate (CAS 78-39-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H18O3 and a molecular weight of 162.227 g/mol. Key properties include a boiling point of 145.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 36.1±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 78-39-7
- Jingsj CID
- J-1368099-4
- Molecular Formula
- C8H18O3
- Molecular Weight
- 162.227 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 145.0±0.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 36.1±0.0 °C |
| Exact Mass | 162.125595 |
| PSA | 27.69000 |
| LogP | 2.49 |
| Vapor Pressure | 6.3±0.2 mmHg at 25°C |
| Refractive Index | 1.408 |
| Additional Property | SLIGHTLY SOLUBLE |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2909199090 |
|---|---|
| Summary | 2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Triethyl orthoacetate?
The CAS number of Triethyl orthoacetate is 78-39-7.
What are the molecular formula and molecular weight of Triethyl orthoacetate?
Triethyl orthoacetate has molecular formula C8H18O3 and molecular weight 162.227 g/mol.
Is Triethyl orthoacetate hazardous?
Triethyl orthoacetate has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Triethyl orthoacetate?
For Triethyl orthoacetate, Upstream Products: 1,1,1-Trimethoxyethane, Ethanol, 1,1-Diethoxyethene; Downstream Products: 1-Penten-3-yl acetate, Acetylimidazole diethyl acetal, 6-Fluoro-2-methylbenzoxazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Triethyl orthoacetate (CAS 78-39-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1368099-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.