Di-tert-butyl ether

Also known as: (tert-C4H9)2O, 1,1'-Oxybis(1,1-dimethylethane), 2,2'-Oxybis-2-methyl-propane, 2-tert-Butoxy-2-methylpropane, Bis(1,1-dimethylethyl)ether, tert-Butyl ether, t-butyl ether

Di-tert-butyl ether (CAS 6163-66-2) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C8H18O and a molecular weight of 130.22800 g/mol. Key properties include a boiling point of 106ºC, a density of 0.779g/cm3 and a flash point of 10.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6163-66-2
Jingsj CID: J-1306577-9
Molecular Formula: C₈H₁₈O
Molecular Weight: 130.22800 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	106ºC
Density	0.779g/cm3
Flash Point	10.1ºC
Exact Mass	130.13600
PSA	9.23000
LogP	2.60000
Refractive Index	1.403

Customs & Trade Information

HS Code	2909199090
Summary	2909199090. 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 Di-tert-butyl ether?

The CAS number of Di-tert-butyl ether is 6163-66-2.

What are the molecular formula and molecular weight of Di-tert-butyl ether?

Di-tert-butyl ether has molecular formula C8H18O and molecular weight 130.22800 g/mol.

What are the upstream and downstream products of Di-tert-butyl ether?

For Di-tert-butyl ether, Upstream Products: Isobutylene, Piperazine, tert-Butyl methyl ether; Downstream Products: tert-butyl chloride, 2,7-DI-TERT-BUTYLNAPHTHALENE, 2,6-Di-tert-butylnaphthalene.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Di-tert-butyl ether (CAS 6163-66-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1306577-9 (accessed 2026-11-06).

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