1,2,3,3-Tetramethyl-3H-indolium iodide
Also known as: 1,2,3,3-Tetramethyl-3H-indolium iodide, 1,2,3,3-Tetramethylindolium iodide, 2,3,3-Trimethyl-3H-indole methiodide, NSC 10498, 3H-Indolium, 1,2,3,3-tetramethyl-, iodide (1:1), MFCD00013333, EINECS 226-526-2
1,2,3,3-Tetramethyl-3H-indolium iodide (CAS 5418-63-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H16IN and a molecular weight of 301.167 g/mol. Key property: a melting point of 258ºC (dec.). It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5418-63-3
- Jingsj CID
- J-1286-2
- Molecular Formula
- C12H16IN
- Molecular Weight
- 301.167 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 258ºC (dec.) |
|---|---|
| Exact Mass | 301.032745 |
| PSA | 3.01000 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- 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 1,2,3,3-Tetramethyl-3H-indolium iodide?
The CAS number of 1,2,3,3-Tetramethyl-3H-indolium iodide is 5418-63-3.
What are the molecular formula and molecular weight of 1,2,3,3-Tetramethyl-3H-indolium iodide?
1,2,3,3-Tetramethyl-3H-indolium iodide has molecular formula C12H16IN and molecular weight 301.167 g/mol.
Is 1,2,3,3-Tetramethyl-3H-indolium iodide hazardous?
1,2,3,3-Tetramethyl-3H-indolium iodide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye 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. "1,2,3,3-Tetramethyl-3H-indolium iodide (CAS 5418-63-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1286-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.