![Molecular structure of 2-[[4-(Dimethylamino)phenyl]methylene]-1H-indene-1,3(2H)-dione (CAS 21889-13-4)](/images/chem_structures_svg/176/21889-13-4.svg)
2-[[4-(Dimethylamino)phenyl]methylene]-1H-indene-1,3(2H)-dione
Also known as: 2-[4-(Dimethylamino)benzylidene]-1H-indene-1,3(2H)-dione, 2-((4-(Dimethylamino)phenyl)methylene)indane-1,3-dione, 1,3-Indandione, 2-(4-dimethylaminophenylmethylene)-, 1,3-Indandione, 2-(p-dimethylaminobenzylidene)-, 2-(4-Dimethylaminobenzylidene)-1,3-indandione, 2-[4-(Dimethylamino)benzylidene]-2H-indene-1,3-dione, 2-[[4-(Dimethylamino)phenyl]methylidene]indene-1,3-dione, N,N-Dimethylaminobenzylidene-1,3-indandione
2-[[4-(Dimethylamino)phenyl]methylene]-1H-indene-1,3(2H)-dione (CAS 21889-13-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C18H15NO2 and a molecular weight of 277.31700 g/mol. Key properties include a boiling point of 492.3ºC at 760mmHg, a density of 1.276g/cm3 and a flash point of 231.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21889-13-4
- Jingsj CID
- J-1506154-8
- Molecular Formula
- C18H15NO2
- Molecular Weight
- 277.31700 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 492.3ºC at 760mmHg |
|---|---|
| Density | 1.276g/cm3 |
| Flash Point | 231.7ºC |
| Exact Mass | 277.11000 |
| PSA | 37.38000 |
| LogP | 3.21520 |
| Vapor Pressure | 7.78E-10mmHg at 25°C |
| Refractive Index | 1.696 |
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 2-[[4-(Dimethylamino)phenyl]methylene]-1H-indene-1,3(2H)-dione?
The CAS number of 2-[[4-(Dimethylamino)phenyl]methylene]-1H-indene-1,3(2H)-dione is 21889-13-4.
What are the molecular formula and molecular weight of 2-[[4-(Dimethylamino)phenyl]methylene]-1H-indene-1,3(2H)-dione?
2-[[4-(Dimethylamino)phenyl]methylene]-1H-indene-1,3(2H)-dione has molecular formula C18H15NO2 and molecular weight 277.31700 g/mol.
What are the upstream and downstream products of 2-[[4-(Dimethylamino)phenyl]methylene]-1H-indene-1,3(2H)-dione?
For 2-[[4-(Dimethylamino)phenyl]methylene]-1H-indene-1,3(2H)-dione, Upstream Products: 1,3-Indandione, 4-Dimethylaminobenzaldehyde, Diethyl phthalate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-[[4-(Dimethylamino)phenyl]methylene]-1H-indene-1,3(2H)-dione (CAS 21889-13-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506154-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.