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1.04905

Potassium bromide

Name: Potassium bromide
Brand: MM

for analysis (max. 0,000001% Hg) EMSURE^® ACS,Reag. Ph Eur

Synonym(s):

Potassium bromide, Hydrobromic Acid Potassium Salt

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About This Item

Empirical Formula (Hill Notation):

BrK

CAS Number:

7758-02-3

Molecular Weight:

119.00

MDL number:

MFCD00011358

UNSPSC Code:

12352302

EC Index Number:

231-830-3

NACRES:

NA.21

grade

ACS reagent

Quality Level

300

Agency

reag. Ph. Eur.

vapor pressure

1.3 hPa ( 795 °C)

product line

EMSURE^®

Assay

≥99.5% (silver nitrate titration)
99.5-100.5% dry basis (silver nitrate titration)

form

solid

potency

>2000 mg/kg LD₅₀, oral (Rat)

impurities

≤0.005% Insoluble matter

loss

≤0.5% loss on drying, 105°C

pH

5.5-8.5 (20 °C, 50 g/L in H₂O)

bp

1435 °C/1013 hPa

mp

730 °C

solubility

650 g/L

density

2.75 g/cm³ at 20 °C

bulk density

900‑1000 kg/m³

anion traces

bromate (BrO₃^-): ≤0.001%
bromate (BrO₃^-): passes test
chloride (Cl^-): ≤0.1%
iodate (IO₃^-): ≤0.001%
iodide (I^-): ≤0.001%passes test
sulfate (SO₄^2-): ≤0.005%

cation traces

Ba: ≤0.002%
Ca: ≤0.001%
Fe: ≤0.0005%
Hg: ≤0.000001%
Mg: ≤0.001%
Mg: ≤0.02% (alkaline-earth metals (as Ca))
Na: ≤0.02%
heavy metals (as Pb): ≤0.0005%

storage temp.

2-30°C

InChI

1S/BrH.K/h1H;/q;+1/p-1

InChI key

IOLCXVTUBQKXJR-UHFFFAOYSA-M

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Related Categories

Salts

Application

Transition of Psychotropic Drugs in Japanese Pharmacopoeia.: Discusses the evolution of the standards and test methods for Potassium Bromide, comparing Japanese Pharmacopoeia to USP and BP (Yanagisawa K, 2015).
False hyperchloraemia in a dog due to potassium bromide.: Investigates an analytical chemistry error caused by potassium bromide in a veterinary context (Peacock RE et al., 2013).
Standard and real patient kidney stone library using FTIR spectroscopy.: Utilizes potassium bromide in the development of a standard library for kidney stones using Fourier transform-infrared spectroscopy (Mulready KJ et al., 2012).
Quantitative determination of solids by infrared spectroscopy.: Explores the use of potassium bromide disk technique for quantitative analysis in infrared spectroscopy (Jensen JB, 1958).
Research on quantitative determination of solids.: Continues the discussion on the quantitative determination using the potassium bromide disk technique in infrared spectroscopy (Jensen JB, 1958).

Linkage

Replaces: PX1380; PX1380-1

Analysis Note

Assay (argentometric): ≥ 99.5 %
Assay (argentometric; calculated on dried substance): 99.5 - 100.5 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
Acidity or alkalinity: passes test
pH-value (5 %; water): 5.0 - 8.0
Bromate(BrO₃): passes test
Bromate (BrO₃): ≤ 0.001 %
Chloride (Cl): ≤ 0.1 %
Iodate: ≤ 0.001 %
Iodide (I):
passes test
: ≤ 0.001 %
Sulfate (SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.0005 %
Ba (Barium): ≤ 0.002 %
Ca (Calcium): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
Hg (Mercury): ≤ 0.000001 %
Mg (Magnesium): ≤ 0.001 %
Na (Sodium): ≤ 0.02 %
Magnesium and alkaline-earth metals (as Ca): ≤ 0.02 %
Loss on Drying (105°C): ≤ 0.5 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

GHS07

Signal Word

Warning

Hazard Statements

H319

Precautionary Statements

P264 - P280 - P305 + P351 + P338 - P337 + P313

Hazard Classifications

Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)