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467731

Sigma-Aldrich

Ammonium bromide

≥99.99% trace metals basis

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About This Item

Linear Formula:
NH4Br
CAS Number:
12124-97-9
Molecular Weight:
97.94
EC Number:
235-183-8
MDL number:
MFCD00011419
UNSPSC Code:
12352302
PubChem Substance ID:
24870435
NACRES:
NA.23

vapor pressure

1 mmHg ( 198.3 °C)

Assay

≥99.99% trace metals basis

form

powder and chunks

impurities

≤0.005% insolubles
<100 ppm total metallic impurities

ign. residue

≤0.01%

pH

4.5-6.0

bp

396 °C/1 atm (lit.)

mp

452 °C (lit.)

solubility

acetone: soluble(lit.)
diethyl ether: slightly soluble(lit.)
ethanol: soluble(lit.)

density

2.43 g/mL at 25 °C (lit.)

anion traces

bromate (BrO3-): ≤0.002%
chloride (Cl-): ≤0.2%
iodide (I-): ≤0.005%
sulfate (SO42-): ≤0.005%

cation traces

Ba: ≤0.002%
Fe: ≤5 ppm
heavy metals: ≤5 ppm

SMILES string

N.Br[H]

InChI

1S/BrH.H3N/h1H;1H3

InChI key

SWLVFNYSXGMGBS-UHFFFAOYSA-N

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Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Classifications

Eye Irrit. 2 - Lact. - Repr. 1B - STOT RE 1 - STOT SE 3

Target Organs

Central nervous system, Nervous system

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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A systematic study of the aggregation behavior of alkyltriphenylphosphonium bromides (TPPB-n; n=8, 10, 12, 14, 16, 18; here n is the number of carbon atoms in alkyl groups) in aqueous solutions has been carried out and compared with trimethyl ammonium
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Water purification is of extreme importance worldwide. p-Nitrophenol was used as a test chemical to design and test an organoclay for the removal of p-nitrophenol from an aqueous solution. Synthesis of the organoclay with methyltrioctadecylammonium bromide [CH(3)(CH(2))(17)](3)NBr(CH(3)) labeled as MTOAB
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