tert-Butyl propionate
Also known as: 1,1-Dimethylethyl propionate, 1,1-Dimethylethylpropanoate, C2H5C(O)OC(CH3)3, MFCD00009304, Propanoic acid, 1,1-dimethylethyl ester, Propionic Acid tert-Butyl Ester, Propionic acid, tert-butyl ester, Stain a, t-Butyl propanoate, t-Butyl propionate, tert-butyl propanoate
tert-Butyl propionate (CAS 20487-40-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H14O2 and a molecular weight of 130.18500 g/mol. Key properties include a melting point of -89.5ºC, a boiling point of 118-118.5 °C(lit.), a density of 0.865 g/mL at 25 °C(lit.) and a flash point of 21 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour. It is listed by 2 suppliers, 1 of which publish reference prices, from 4.80 to 6.68 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 20487-40-5
- Jingsj CID
- J-1324282-2
- Molecular Formula
- C7H14O2
- Molecular Weight
- 130.18500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | >98.0%(GC) 100g | ¥480.00 | $0.72 /gBest ¥4.80/g CNY | CN China MOQ 100g | |
In Stock | >98.0%(GC) 25g | ¥167.00 | $1 /g ¥6.68/g CNY | CN China MOQ 25g | |
Made to Order | >98.0%(GC) 25g | - | - | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | -89.5ºC |
|---|---|
| Boiling Point | 118-118.5 °C(lit.) |
| Density | 0.865 g/mL at 25 °C(lit.) |
| Flash Point | 21 °C |
| Exact Mass | 130.09900 |
| PSA | 26.30000 |
| LogP | 1.73810 |
| Vapor Pressure | 14.5mmHg at 25°C |
| Refractive Index | n20/D 1.393(lit.) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
Customs & Trade Information
| HS Code | 2915509000 |
|---|---|
| Summary | 2915509000 propionic acid, its salts and esters。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of tert-Butyl propionate?
The CAS number of tert-Butyl propionate is 20487-40-5.
What are the molecular formula and molecular weight of tert-Butyl propionate?
tert-Butyl propionate has molecular formula C7H14O2 and molecular weight 130.18500 g/mol.
Which suppliers offer tert-Butyl propionate?
2 supplier(s) listed; reference unit price ¥4.80–6.68 /g.
Is tert-Butyl propionate hazardous?
tert-Butyl propionate has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour.
What are the upstream and downstream products of tert-Butyl propionate?
For tert-Butyl propionate, Upstream Products: tert-Butyl acrylate, Propionyl chloride, tert-Butanol; Downstream Products: N-Benzyloxycarbonyl-L-aspartic acid 4-tert-butyl ester, Z-L-aspartic acid di-tert-butyl ester, Cyclohexanone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-Butyl propionate (CAS 20487-40-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1324282-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.