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Tetrabutylammonium hydroxide

Also known as: Tetra-n-butylammonium hydroxide, TBAOH, 1-Butanaminium, N,N,N-tributyl-, hydroxide, N,N,N-Tributyl-1-butanaminium hydroxide, Tetrabutylazanium hydroxide, TBH, UNII-68I858J9S1

Tetrabutylammonium hydroxide (CAS 2052-49-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H37NO and a molecular weight of 259.471 g/mol. Key properties include a melting point of 27-30 °C(lit.), a boiling point of 100 °C, a density of 0.995 and a flash point of 7°C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2052-49-5
Jingsj CID
J-1081303-3
Molecular Formula
C16H37NO
Molecular Weight
259.471 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point27-30 °C(lit.)
Boiling Point100 °C
Density0.995
Flash Point7°C
Exact Mass259.287506
PSA23.06000
LogP4.82680
Refractive Index1.4

GHS Safety & Compliance

CorrosionSignal word: Danger
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2923900090
Summary2923900090 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 hydroxide?

The CAS number of Tetrabutylammonium hydroxide is 2052-49-5.

What are the molecular formula and molecular weight of Tetrabutylammonium hydroxide?

Tetrabutylammonium hydroxide has molecular formula C16H37NO and molecular weight 259.471 g/mol.

Is Tetrabutylammonium hydroxide hazardous?

Tetrabutylammonium hydroxide has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Tetrabutylammonium hydroxide?

For Tetrabutylammonium hydroxide, Upstream Products: Tetrabutylammonium bromide, Tetrabutylammonium fluoride, Tetrabutylammonium iodide; Downstream Products: Tetrabutylammonium iodide, Tetrabutylammonium hexafluorophosphate, Tetrabutylammonium tetrafluoroborate.

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 hydroxide (CAS 2052-49-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1081303-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.