Tetrabutylammonium iodide
Also known as: TBAI, tetra-n-butylammonium iodide, 1-Butanaminium, N,N,N-tributyl-, iodide (1:1), Ammonium, tetrabutyl-, iodide, Bu4NI, EINECS 206-220-5, MFCD00011636, N,N,N-Tributyl-1-butanaminium iodide, tetrabutylazanium iodide
Tetrabutylammonium iodide (CAS 311-28-4) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H36IN and a molecular weight of 369.368 g/mol. Key properties include a melting point of 141-143 °C(lit.), a density of 1.20 and a flash point of 100ºC. 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. It is listed by 1 supplier, from 2.70 to 24.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 311-28-4
- Jingsj CID
- J-1994051-9
- Molecular Formula
- C16H36IN
- Molecular Weight
- 369.368 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 99% 500g | ¥1,350.00 | $0.4 /gBest ¥2.70/g CNY | CN China MOQ 500g | |
In Stock | >98.0%(T) 500g | ¥1,536.00 | $0.46 /g ¥3.07/g CNY | CN China MOQ 500g | |
In Stock | 99% 100g | ¥395.00 | $0.59 /g ¥3.95/g CNY | CN China MOQ 100g |
Physicochemical Properties
| Melting Point | 141-143 °C(lit.) |
|---|---|
| Density | 1.20 |
| Flash Point | 100ºC |
| Exact Mass | 369.189240 |
| LogP | 2.00760 |
| Stability | Stable. Incompatible with strong oxidizing agents. Light-sensitive. |
| Additional Property | acetonitrile: 0.1 g/mL, clear, colorless |
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 | 2827600000 |
|---|
Frequently Asked Questions
What is the CAS number of Tetrabutylammonium iodide?
The CAS number of Tetrabutylammonium iodide is 311-28-4.
What are the molecular formula and molecular weight of Tetrabutylammonium iodide?
Tetrabutylammonium iodide has molecular formula C16H36IN and molecular weight 369.368 g/mol.
Which suppliers offer Tetrabutylammonium iodide?
1 supplier(s) listed; reference unit price ¥2.70–24.00 /g.
Is Tetrabutylammonium iodide hazardous?
Tetrabutylammonium iodide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Tetrabutylammonium iodide?
For Tetrabutylammonium iodide, Upstream Products: 1-Iodobutane, 2-Bromophenylacetonitrile, Iodoethane; Downstream Products: 4-Isopropylphenylacetonitrile, Allyl ether, 1-Iodobutane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrabutylammonium iodide (CAS 311-28-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1994051-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.