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Tetra-n-butylammonium bromide (TBAB) is a quaternary ammonium salt with a bromide counterion commonly used as a phase transfer catalyst. It is used to prepared many other tetrabutylammonium salts via salt metathesis reactions. 

Tetrabutylammonium bromide is a tetrabutylammonium salt with bromide as the anionic counterpart. It is an organic bromide salt and a tetrabutylammonium salt.

Product Details: Name:  tetrabutylammonium bromide (TBAB) CAS: 1643-19-2 EINECS: 216-699-2 MF: C16H36BrN MW: 322.36800 MP: 102-106 °C(lit.) BP: 102 °C Density: 1.039 g/mL at 25 °C Appearance: white to off-white crystal powder Stability: Stable. Incompatible with strong oxidizing agents. Protect from moisture. Storage Condition: Store at RT.

Application: 1. Ion pair reagents, used in the synthesis of baxicillin, sultamicillin, etc.; also an effective phase transfer catalyst.

2. Used in the manufacture of azo dyes, xanthene dyes, anthraquinone dyes, etc., as a developer, wool mordant, leather colorant. It can be prepared by gallic acid losing carbon dioxide through heating.

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