Tripropyl orthoformate
原甲酸三丙酯
Also known as: Tri-n-propyl orthoformate, Orthoformic acid tripropyl ester, Tripropoxymethane, 1-(Dipropoxymethoxy)propane, 1,1',1''-[Methylidynetris(oxy)]trispropane, n-Propyl orthoformate, TNPOF
Tripropyl orthoformate (CAS 621-76-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H22O3 and a molecular weight of 190.280 g/mol. It is also known as Tri-n-propyl orthoformate, Orthoformic acid tripropyl ester and Tripropoxymethane. Key properties include a boiling point of 203.8±20.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 72.2±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 621-76-1
- Jingsj CID
- J-6275-0
- Molecular Formula
- C10H22O3
- Chinese Name
- 原甲酸三丙酯
- Molecular Weight
- 190.280 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 203.8±20.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 72.2±0.0 °C |
| Exact Mass | 190.156891 |
| PSA | 27.69000 |
| LogP | 3.74 |
| Vapor Pressure | 0.4±0.4 mmHg at 25°C |
| Refractive Index | 1.417 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory 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 Tripropyl orthoformate?
The CAS number of Tripropyl orthoformate is 621-76-1.
What are the molecular formula and molecular weight of Tripropyl orthoformate?
Tripropyl orthoformate has molecular formula C10H22O3 and molecular weight 190.280 g/mol.
Is Tripropyl orthoformate hazardous?
Tripropyl orthoformate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Tripropyl orthoformate?
For Tripropyl orthoformate, Upstream Products: 1-Propanol, Triethyl orthoformate, Trimethyl orthoformate; Downstream Products: Propyl benzoate, 1-Chloropropane, Propyl formate.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tripropyl orthoformate (CAS 621-76-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6275-0 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.