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Merck
모든 사진(1)

주요 문서

467731

Sigma-Aldrich

Ammonium bromide

≥99.99% trace metals basis

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About This Item

Linear Formula:
NH4Br
CAS Number:
Molecular Weight:
97.94
EC Number:
MDL number:
UNSPSC 코드:
12352302
PubChem Substance ID:
NACRES:
NA.23
solubility:
acetone: soluble(lit.)
diethyl ether: slightly soluble(lit.)
ethanol: soluble(lit.)

Grade

for analytical purposes

vapor pressure

1 mmHg ( 198.3 °C)

분석

≥99.99% trace metals basis

양식

powder and chunks

불순물

≤0.005% insolubles
<100 ppm total metallic impurities

무기 잔류물

≤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.)

음이온 미량물

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

양이온 미량물

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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픽토그램

Health hazardExclamation mark

신호어

Danger

유해 및 위험 성명서

Hazard Classifications

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

표적 기관

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

개인 보호 장비

Eyeshields, Gloves, type N95 (US)


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The first catalytic enantioselective trifluoromethylation of alkynyl ketones 1 with (trifluoromethyl)trimethylsilane is disclosed by an operationally simple procedure, based on the combination of ammonium bromide of bis-cinchona alkaloids with Me(4)NF to afford trifluoromethyl-substituted tertiary propargyl alcohols (up to 96% ee)
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Journal of colloid and interface science, 367(1), 327-336 (2011-12-03)
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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Journal of colloid and interface science, 314(2), 405-414 (2007-08-04)
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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