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Potassium bromide, for analysis, ExpertQ®, ACS

- KBr
- M = 119,01 g/mol
- CAS [7758-02-3]
- EINECS-No.: 231-830-3
- Solub. in water: (20 ºC): 540 g/l
- Melting point: 730 ºC
- Boiling point: 1380 ºC
- Vapour pressure: (795 ºC) 1,3 hPa
- LD 50 (oral, rat): 3070 mg/kg
- GHS-signal word: Warning
- GHS-H sentences: H319
- GHS-P sentences: P280 - P264 - P305+P351+P338 - P337+P313
- Tariff number: 2827 51 00 00
- Applications: analytical chemistry, laboratory reagent, photography.

SPECIFICATIONS
assay (argentometric): min. 99,5 %
identity: passes test
appearance of solution: passes test
insoluble in water: max. 0,005 %
pH (5 %, H2O): 5,0 - 8,8
acidity or alkalinity: passes test
bromates (BrO3): max. 0,001 %
chlorides (Cl): max. 0,1 %
iodates (IO3): max. 0,001 %
iodides (I): max. 0,001 %
sulfates (SO4): max. 0,005 %
total nitrogen (as N): max. 0,001 %
arsenic (As): max. 1 ppm
barium (Ba): max. 0,002 %
cadmium (Cd): max. 5 ppm
calcium (Ca): max. 0,001 %
copper (Cu): max. 5 ppm
heavy metals (as Pb): max. 5 ppm
iron (Fe): max. 5 ppm
lead (Pb): max. 5 ppm
magnesium (Mg): max. 0,001 %
sodium (Na): max. 0,02 %
zinc (Zn): max. 5 ppm
loss on drying (105 ºC): max. 0,5 %