tert-Butyl propiolate
Also known as: Propiolic acid tert-butyl ester, Propargylic acid tert-butyl ester, tert-Butyl acetylenecarboxylate, tert-Butyl prop-2-ynoate, 2-Propynoic acid, 1,1-dimethylethyl ester, 1,1-Dimethylethyl 2-propynoate, 2-Methyl-2-propanyl propiolate
tert-Butyl propiolate (CAS 13831-03-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H10O2 and a molecular weight of 126.153 g/mol. Key properties include a melting point of 18-20 °C(lit.), a boiling point of 159.6±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 38.6±6.7 °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.
- 13831-03-3
- Jingsj CID
- J-44015-3
- Molecular Formula
- C7H10O2
- Molecular Weight
- 126.153 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 18-20 °C(lit.) |
|---|---|
| Boiling Point | 159.6±9.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 38.6±6.7 °C |
| Exact Mass | 126.068077 |
| PSA | 26.30000 |
| LogP | 2.12 |
| Vapor Pressure | 2.5±0.3 mmHg at 25°C |
| Refractive Index | 1.432 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2916190090 |
|---|---|
| Summary | 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。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:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of tert-Butyl propiolate?
The CAS number of tert-Butyl propiolate is 13831-03-3.
What are the molecular formula and molecular weight of tert-Butyl propiolate?
tert-Butyl propiolate has molecular formula C7H10O2 and molecular weight 126.153 g/mol.
Is tert-Butyl propiolate hazardous?
tert-Butyl propiolate has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
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 propiolate (CAS 13831-03-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44015-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.