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tert-Butyl Crotonate

Also known as: tert-Butyl Crotonate, tert-Butyl (E)-2-butenoate, (E)-Crotonic acid tert-butyl ester, (E)-tert-butyl but-2-enoate, 2-Butenoic acid 1,1-dimethylethyl ester (2E)-, trans-tert-butyl crotonate, tert-Butyl (E)-but-2-enoate, t-butyl crotonate

tert-Butyl Crotonate (CAS 79218-15-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O2 and a molecular weight of 142.19600 g/mol. Key properties include a boiling point of 82ºC / 97mmHg, a density of 0.89 g/cm3 and a flash point of 23ºC. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
79218-15-8
Jingsj CID
J-47074-6
Molecular Formula
C8H14O2
Molecular Weight
142.19600 g/mol
Category
Organic Acids
Last updated
11/3/2026
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Physicochemical Properties

Boiling Point82ºC / 97mmHg
Density0.89 g/cm3
Flash Point23ºC
Exact Mass142.09900
PSA26.30000
LogP1.90420
Refractive Indexn20/D 1.425

GHS Safety & Compliance

Flammable / CorrosionSignal word: Danger
  • H226 — Flammable liquid and vapour
  • H318 — Causes serious eye damage

Frequently Asked Questions

What is the CAS number of tert-Butyl Crotonate?

The CAS number of tert-Butyl Crotonate is 79218-15-8.

What are the molecular formula and molecular weight of tert-Butyl Crotonate?

tert-Butyl Crotonate has molecular formula C8H14O2 and molecular weight 142.19600 g/mol.

Is tert-Butyl Crotonate hazardous?

tert-Butyl Crotonate has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H318 — Causes serious eye damage.

What are the upstream and downstream products of tert-Butyl Crotonate?

For tert-Butyl Crotonate, Upstream Products: tert-Butyl acetoacetate, (E)-1-Chlorobut-2-ene, tert-Butyl 2-(diethoxyphosphoryl)acetate; Downstream Products: tert-Butyl 3-butenoate, tert-Butyl (3S)-3-aminobutanoate, (R)-tert-Butyl 3-aminobutanoate.

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 Crotonate (CAS 79218-15-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47074-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.