4'-tert-Butylacetophenone
对叔丁基苯乙酮
Also known as: 1-(4-tert-butylphenyl)ethanone, p-tert-Butylacetophenone, 4-tert-Butylacetophenone, 1-[4-(1,1-dimethylethyl)phenyl]ethanone, Ebastine Impurity 2, MFCD00017256, PHENOMUSCOL
4'-tert-Butylacetophenone (CAS 943-27-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H16O and a molecular weight of 176.25 g/mol. It is also known as 1-(4-tert-butylphenyl)ethanone, p-tert-Butylacetophenone and 4-tert-Butylacetophenone. Key properties include a melting point of 17-18 °C (dimorphic)(lit.), a boiling point of 253.1±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 30.0±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 943-27-1
- Jingsj CID
- J-4198-2
- Molecular Formula
- C12H16O
- Chinese Name
- 对叔丁基苯乙酮
- Molecular Weight
- 176.25 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 17-18 °C (dimorphic)(lit.) |
|---|---|
| Boiling Point | 253.1±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 30.0±0.0 °C |
| Exact Mass | 176.120117 |
| PSA | 17.07000 |
| LogP | 3.35 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.494 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
Customs & Trade Information
| HS Code | 2914399090 |
|---|---|
| Summary | 2914399090. other aromatic ketones without other oxygen function. 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 4'-tert-Butylacetophenone?
The CAS number of 4'-tert-Butylacetophenone is 943-27-1.
What are the molecular formula and molecular weight of 4'-tert-Butylacetophenone?
4'-tert-Butylacetophenone has molecular formula C12H16O and molecular weight 176.25 g/mol.
Is 4'-tert-Butylacetophenone hazardous?
4'-tert-Butylacetophenone has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4'-tert-Butylacetophenone (CAS 943-27-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4198-2 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.