1,3,3-Trimethyl-2-(formylmethylene)indoline
Also known as: Fischer's aldehyde, FISCHER'S ALDEHYDE, (1,3,3-Trimethyl-1,3-dihydro-2H-indol-2-ylidene)acetaldehyde, 2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde, 1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene acetaldehyde, 2-(Formylmethylene)-1,3,3-trimethylindoline, 2-Methylene-1,3,3-trimethylindoline acetaldehyde, Acetaldehyde, 2-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-, (2E)-, Acetaldehyde, 2-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-, (2Z)-, EINECS 201-565-8, MFCD00071813
1,3,3-Trimethyl-2-(formylmethylene)indoline (CAS 84-83-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C13H15NO and a molecular weight of 201.264 g/mol. Key properties include a melting point of 112-116 °C(lit.), a boiling point of 301.4±42.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 107.2±17.3 °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. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 84-83-3
- Jingsj CID
- J-9722-0
- Molecular Formula
- C13H15NO
- Molecular Weight
- 201.264 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 112-116 °C(lit.) |
|---|---|
| Boiling Point | 301.4±42.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 107.2±17.3 °C |
| Exact Mass | 201.115356 |
| PSA | 20.31000 |
| LogP | 2.67 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.600 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,3,3-Trimethyl-2-(formylmethylene)indoline?
The CAS number of 1,3,3-Trimethyl-2-(formylmethylene)indoline is 84-83-3.
What are the molecular formula and molecular weight of 1,3,3-Trimethyl-2-(formylmethylene)indoline?
1,3,3-Trimethyl-2-(formylmethylene)indoline has molecular formula C13H15NO and molecular weight 201.264 g/mol.
Is 1,3,3-Trimethyl-2-(formylmethylene)indoline hazardous?
1,3,3-Trimethyl-2-(formylmethylene)indoline has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 1,3,3-Trimethyl-2-(formylmethylene)indoline?
For 1,3,3-Trimethyl-2-(formylmethylene)indoline, Upstream Products: 1,3,3-Trimethyl-2-methyleneindoline, N-Methylformanilide, N,N-Dimethylformamide; Downstream Products: Basic Red 12, 1,3,3-Trimethyl-2-methyleneindoline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3,3-Trimethyl-2-(formylmethylene)indoline (CAS 84-83-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9722-0 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.