Tetrabutyl ammonium bromide

Product identification

CAS No.: 1643-19-2

Einecs no.: 216-699-2

Formula: [CH3(CH2)3]4NBR

Mol wt.: 322.38

H. S. Code: 2923.90

Synonyms

Tetra-n-butylammonium bromide;

1-butanaminium, n, n, n-tributyl-, bromide; Tetra-n-butyl ammonium bromide; Tbab;

Classification

Physical and chemical properties

Physical state

White to off white crystalline powder, odorless

Melting point: 103 - 104 c

Solubility in water: 600 g/l at 20 c

Flash point

Not expected to be a fire hazard

Stability

Stable under ordinary conditions (hygroscopic)

Sales specification

Powder

Appearance: White to off white crystalline powder

Assay: 99.0%

Free amine: 0.5% max

Ash: 0.5% max

Moisture: 0.5% max

50% solution

Appearance: Clear to pale yellow liquid

Assay: 50.0% min

Free amine: 1.0% max

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