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N,N,N',N',1-Pentamethylsilanediamine

N,N,N',N',1-五甲基硅烷二胺

Also known as: Bis(dimethylamino)methylsilane, Bisdimethylamino-methylsilan, DK223, N,N,N',N',α-Pentamethylsilanediamine, N,N,N',N',1-pentamethyl-Silanediamine, Silanediamine, N,N,N',N',1-pentamethyl-, LS 910, BDMAMS

N,N,N',N',1-Pentamethylsilanediamine (CAS 22705-33-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C5H16N2Si and a molecular weight of 132.279 g/mol. It is also known as Bis(dimethylamino)methylsilane, Bisdimethylamino-methylsilan and DK223. Key properties include a melting point of <0ºC, a boiling point of 89.7±9.0 °C at 760 mmHg, a density of 0.798 g/mL at 20ºC(lit.) and a flash point of 8.0±18.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
22705-33-5
Jingsj CID
J-1403471-0
Molecular Formula
C5H16N2Si
Chinese Name
N,N,N',N',1-五甲基硅烷二胺
Molecular Weight
132.279 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point<0ºC
Boiling Point89.7±9.0 °C at 760 mmHg
Density0.798 g/mL at 20ºC(lit.)
Flash Point8.0±18.7 °C

GHS Safety & Compliance

Flammable / CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of N,N,N',N',1-Pentamethylsilanediamine?

The CAS number of N,N,N',N',1-Pentamethylsilanediamine is 22705-33-5.

What are the molecular formula and molecular weight of N,N,N',N',1-Pentamethylsilanediamine?

N,N,N',N',1-Pentamethylsilanediamine has molecular formula C5H16N2Si and molecular weight 132.279 g/mol.

Is N,N,N',N',1-Pentamethylsilanediamine hazardous?

N,N,N',N',1-Pentamethylsilanediamine has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "N,N,N',N',1-Pentamethylsilanediamine (CAS 22705-33-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1403471-0 (accessed 2026-10-25).

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