Tetrabutyl Ammonium Bromide - 1643-19-2

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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