4-Aminopent-3-en-2-one
Also known as: 4-Amino-3-penten-2-one, Acetylacetone imine, Acetylacetonamine, FLUORAL-P, MFCD00043715, TIMTEC-BB SBB007945, (3Z)-4-aminopent-3-en-2-one, 3-Penten-2-one, 4-amino-
4-Aminopent-3-en-2-one (CAS 1118-66-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H9NO and a molecular weight of 99.131 g/mol. Key properties include a melting point of 38 °C, a boiling point of 179.1±23.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 62.1±22.6 °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. It is listed by 2 suppliers, 1 of which publish reference prices, from 2.72 to 4.80 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 1118-66-7
- Jingsj CID
- J-817307-6
- Molecular Formula
- C5H9NO
- Molecular Weight
- 99.131 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 500g | ¥1,360.00 | $0.41 /gBest ¥2.72/g CNY | CN China MOQ 500g | |
In Stock | 98% 100g | ¥390.00 | $0.58 /g ¥3.90/g CNY | CN China MOQ 100g | |
In Stock | 98% 25g | ¥120.00 | $0.72 /g ¥4.80/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 38 °C |
|---|---|
| Boiling Point | 179.1±23.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 62.1±22.6 °C |
| Exact Mass | 99.068413 |
| PSA | 43.09000 |
| LogP | -0.14 |
| Vapor Pressure | 1.0±0.3 mmHg at 25°C |
| Refractive Index | 1.457 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2922399090 |
|---|---|
| Summary | 2922399090 other amino-aldehydes, amino-ketones and amino-quinones, other than those containing more than one kind of oxygen function; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Aminopent-3-en-2-one?
The CAS number of 4-Aminopent-3-en-2-one is 1118-66-7.
What are the molecular formula and molecular weight of 4-Aminopent-3-en-2-one?
4-Aminopent-3-en-2-one has molecular formula C5H9NO and molecular weight 99.131 g/mol.
Which suppliers offer 4-Aminopent-3-en-2-one?
2 supplier(s) listed; reference unit price ¥2.72–4.80 /g.
Is 4-Aminopent-3-en-2-one hazardous?
4-Aminopent-3-en-2-one has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory 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. "4-Aminopent-3-en-2-one (CAS 1118-66-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-817307-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.