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Bromobis(dimethylamino)borane

Also known as: 1-Bromo-N,N,N',N'-tetramethylboranediamine, Boranediamine, 1-bromo-N,N,N',N'-tetramethyl-, Bis(dimethylamino)boron bromide, Bis(dimethylamino)bromoborane, N-[bromo(dimethylamino)boranyl]-N-methylmethanamine, MFCD00464744

Bromobis(dimethylamino)borane (CAS 6990-27-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H12BBrN2 and a molecular weight of 178.86600 g/mol. Key properties include a boiling point of 20-28ºC0.5 mm Hg(lit.), a density of 1.259 g/mL at 25ºC(lit.) and a flash point of 53.9 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
6990-27-8
Jingsj CID
J-1060-6
Molecular Formula
C4H12BBrN2
Molecular Weight
178.86600 g/mol
Category
Aliphatic Hydrocarbons
Last updated
11/2/2026

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Physicochemical Properties

Boiling Point20-28ºC0.5 mm Hg(lit.)
Density1.259 g/mL at 25ºC(lit.)
Flash Point53.9 °C
Exact Mass178.02800
PSA6.48000
LogP0.48940
Refractive Indexn20/D 1.478(lit.)

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Bromobis(dimethylamino)borane?

The CAS number of Bromobis(dimethylamino)borane is 6990-27-8.

What are the molecular formula and molecular weight of Bromobis(dimethylamino)borane?

Bromobis(dimethylamino)borane has molecular formula C4H12BBrN2 and molecular weight 178.86600 g/mol.

What are the upstream and downstream products of Bromobis(dimethylamino)borane?

For Bromobis(dimethylamino)borane, Upstream Products: tris(dimethylamino)borane, Boron tribromide, Tetrakis(dimethylamino)diboron; Downstream Products: N,N-Dimethyl-2-(trimethylsilyl)acetamide, Methyl (trimethylsilyl)acetate, Tri-n-butyltin bromide.

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

Last updated:

How to cite: Jingsj. "Bromobis(dimethylamino)borane (CAS 6990-27-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1060-6 (accessed 2026-11-09).

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