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1.04905

Supelco

Potassium bromide

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

Synonym(s):
Hydrobromic Acid Potassium Salt, Potassium bromide
Empirical Formula (Hill Notation):
BrK
CAS Number:
Molecular Weight:
119.00
MDL number:
EC Index Number:
231-830-3

Quality Level

grade

ACS reagent

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 (SO42-): ≤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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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

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Quality

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