Tetrabutylammonium bromide
Also known as: TBAB, TBABr, Bu4NBr, TETRA-N-BUTYLAMMONIUM BROMIDE, Tetrabutylazanium bromide, 1-Butanaminium, N,N,N-tributyl-, bromide, Aliquat 100, N,N,N-tributylbutan-1-aminium bromide, tetra-n-butyl-ammonium bromide
Tetrabutylammonium bromide (CAS 1643-19-2) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H36BrN and a molecular weight of 322.368 g/mol. Key properties include a melting point of 102-106 °C(lit.), a boiling point of 102 °C and a density of 1.039 g/mL at 25 °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 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 1643-19-2
- Jingsj CID
- J-19195-5
- Molecular Formula
- C16H36BrN
- Molecular Weight
- 322.368 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 102-106 °C(lit.) |
|---|---|
| Boiling Point | 102 °C |
| Density | 1.039 g/mL at 25 °C |
| Exact Mass | 321.203094 |
| LogP | 2.00760 |
| Refractive Index | n20/D 1.422 |
| Additional Property | 600 g/L (20 ºC) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2923900090 |
|---|---|
| Summary | 2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Tetrabutylammonium bromide?
The CAS number of Tetrabutylammonium bromide is 1643-19-2.
What are the molecular formula and molecular weight of Tetrabutylammonium bromide?
Tetrabutylammonium bromide has molecular formula C16H36BrN and molecular weight 322.368 g/mol.
Which suppliers offer Tetrabutylammonium bromide?
1 supplier(s) listed; request a quote for pricing.
Is Tetrabutylammonium bromide hazardous?
Tetrabutylammonium bromide 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 Tetrabutylammonium bromide?
For Tetrabutylammonium bromide, Upstream Products: 1-Bromobutane, Tetrabutylammonium iodide, Tetrabutylammonium tribromide; Downstream Products: Tetrabutylammonium ethoxide solution, Tetrabutylammonium iodide, Tetrabutylammonium trifluoromethanesulfonate.
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 bromide (CAS 1643-19-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19195-5 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.