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Zirconium(IV) tert-butoxide

Also known as: Tetra-tert-butoxyzirconium, Tetra-tert-butyl zirconate, ZTB, Zirconium tert-butoxide, Zirconium tetra-t-butoxide, Zirconium(IV) tert-butanolate, Zirconium(4+) tetrakis(2-methyl-2-propanolate), Zirconium(4+) tetrakis(2-methylpropan-2-olate), Zr(tert-butoxide)4, MFCD00075085

Zirconium(IV) tert-butoxide (CAS 2081-12-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C16H36O4Zr and a molecular weight of 383.679 g/mol. Key properties include a melting point of 3°C, a boiling point of 81 °C3 mm Hg(lit.), a density of 0.985 g/mL at 25 °C(lit.) and a flash point of 85.0 °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 Nov 2, 2026.

CAS No.
2081-12-1
Jingsj CID
J-14866-5
Molecular Formula
C16H36O4Zr
Molecular Weight
383.679 g/mol
Category
Alcohols
Last updated
11/2/2026

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Physicochemical Properties

Melting Point3°C
Boiling Point81 °C3 mm Hg(lit.)
Density0.985 g/mL at 25 °C(lit.)
Flash Point85.0 °C
Exact Mass382.166077
PSA36.92000
LogP5.06320
Refractive Indexn20/D 1.424(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2909199090
Summary2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Zirconium(IV) tert-butoxide?

The CAS number of Zirconium(IV) tert-butoxide is 2081-12-1.

What are the molecular formula and molecular weight of Zirconium(IV) tert-butoxide?

Zirconium(IV) tert-butoxide has molecular formula C16H36O4Zr and molecular weight 383.679 g/mol.

Is Zirconium(IV) tert-butoxide hazardous?

Zirconium(IV) tert-butoxide has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory 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. "Zirconium(IV) tert-butoxide (CAS 2081-12-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14866-5 (accessed 2026-11-07).

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