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Potassium bromide CAS:7758-02-3

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Potassium bromide CAS:7758-02-3

CAS: 7758-02-3


MW: 119

EINECS: 231-830-3

Synonyms: bromuredepotassium; Hydrobromic acid potassium salt; KBr; Potassium bromide (KBr);potassiumbromide(kbr); Potassiumbromidecrystalopticdisc,13mmx2mm,polishedbothsides; Potassiumbromidecrystalopticrectangle,38.5mmx19.5mmx4mm,unpolished; Potassiumbromidecrystalopticrectangle,41mmx23mmx6mm,unpolished




Potassium bromide CAS:7758-02-3 Potassium bromide CAS:7758-02-3

Product name: Potassium bromide

CAS: 7758-02-3



Appearance: Colorless cubic crystals.


Colorless cubic crystals. Odorless, salty and slightly bitter. Soluble in water (102g/100ml at 100°C) and glycerol, slightly soluble in ethanol and ether.


Items Specification Results
Appearance White solid Conform
Chloride ≤0.5% 0.32%
Sulfate ≤0.01% Conform
Loss on Drying ≤0.5%
Pb ≤0.005% Conform
Iron ≤0.005% Conform
Bromated(as BrO3) Test passed OK
Iodine(as I) Test passed OK
Assay ≥99% 99.3%
Conclusion: Meet the requirement of HOUSE standard.

Potassium bromide Application:

1.Used as analytical reagent and developer, also used in pharmaceutical industry

2.Emulsion or formulation developer for motion picture film and photographic film, used as sedative in medicine

3.The photosensitive material industry is used in the manufacture of photosensitive films, developer drugs, film thickeners, toners and color photo bleaching agents. Medically used as a nerve sedative (tribromide tablets). In addition, it is also used for chemical analysis reagents, the transmission of spectroscopic and infrared rays, the preparation of special soaps, as well as engraving, lithography and so on.

4.It is used in the manufacture of photosensitive film developer and negative film thickener. It is also used as a nerve sedative, and is also used in special soaps, carving and lithography.

5.Infrared detection tableting.

6.Determination of copper and silver by spot analysis. Polarographic analysis of indium, cadmium and arsenic. developer. Pesticide analysis. The 99.95% and 99.99% grades are used in molecular biology to remove peripheral membrane proteins. FT-IR grade for FT-IR spectrometer


25kg/drum or as per customer’s requirements.


Kept in dry, cool, and shaded place with original packaging, avoid moisture. It is not advisable to use containers of copper material. Recommended storage in plastic containers; a shelf life of two years.

Related Products——Brominated series

Product name CAS
Sodium bromide 7647-15-6
 Potassium bromide  7758-02-3
 BARIUM BROMIDE 10553-31-8
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