Disiamylborane

双(3-甲基-2-丁基)硼烷

Also known as: Bis(1,2-dimethylpropyl)borane, Di-sec-isoamylborane, Bis(3-methyl-2-butyl)borane

Disiamylborane (CAS 6838-83-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula [(CH3)2CHCH(CH3)]BH and a molecular weight of 154.10 g/mol. It is also known as Bis(1,2-dimethylpropyl)borane, Di-sec-isoamylborane and Bis(3-methyl-2-butyl)borane. Key properties include a boiling point of 194.7±23.0 °C at 760 mmHg and a flash point of 71.5±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6838-83-1
Jingsj CID
J-1349695-7
Molecular Formula
(CH3)2CHCH(CH3)BH
Chinese Name
双(3-甲基-2-丁基)硼烷
Molecular Weight
154.10 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point194.7±23.0 °C at 760 mmHg
Flash Point71.5±22.6 °C

Frequently Asked Questions

What is the CAS number of Disiamylborane?

The CAS number of Disiamylborane is 6838-83-1.

What are the molecular formula and molecular weight of Disiamylborane?

Disiamylborane has molecular formula [(CH3)2CHCH(CH3)]BH and molecular weight 154.10 g/mol.

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

Last updated:

How to cite: Jingsj. "Disiamylborane (CAS 6838-83-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1349695-7 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.