Merck 104907.0500 Potassium bromide for IR spectroscopy Uvasol

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Ambalaj Miktarı: 500 gr

(2025 güncel fiyat)

Ambalaj Fiyatı: 233,74 € + %20 KDV

 

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Ürün Fiyatı: 233,74 €

Ürün Özellikleri







CAS #
EC Number
Hill Formula
Chemical Formula
Molar Mass






7758-02-3
231-830-3
BrK
KBr
119.00 g/mol










Description 






Catalogue Number
104907




Replaces
PX1378




Synonyms
Hydrobromic Acid Potassium Salt, PX1378




Overview
Potassium bromide is transparent from the near UV to long wave IR wavelengths. In IR-spectroscopy, solid samples which are difficult to melt or dissolve in any suitable IR-transmitting solvent, are analyzed by grinding with Potassium bromide powder, and pressing into a disc. This procedure has a high quality demand of the used potassium bromide. Potassium bromide Uvasol® is adjusted to a mean particle size of 150 μm. This is sufficient for the preparation of perfectly good pellets without the need for further pre-treatment and the associated risk of contamination. It also retains its powdery form over a period of years if stored in an air-tight condition. Its physical suitability for pelletising is checked by a special application test and its chemical purity established by full spectrum FT-IR analysis.












Product Information 






CAS number
7758-02-3




EC number
231-830-3




Hill Formula
BrK




Chemical formula
KBr




Molar Mass
119.00 g/mol




HS Code
2827 51 00












Applications 






Application
Potassium bromide for IR spectroscopy Uvasol®. Potassium bromide CAS No. 2139626, EC Number 231-830-3. Potassium bromide MSDS (material safety data sheet) or SDS here.












Physicochemical Information 






Boiling point
1435 °C (1013 hPa)




Density
2.75 g/cm3 (20 °C)




Melting Point
730 °C




pH value
5.5 – 8.5 (50 g/l, H₂O, 20 °C)




Vapor pressure
1.3 hPa (795 °C)




Bulk density
900 – 1000 kg/m3




Solubility
650 g/l (20 °C)












Toxicological Information 






LD 50 oral
LD50 Rat > 2000 mg/kg












Safety Information according to GHS 






Hazard Pictogram(s)







Hazard Statement(s)
H319: Causes serious eye irritation.




Precautionary Statement(s)
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.




Signal Word
Warning




RTECS
TS7650000




Storage class
10 – 13 Other liquids and solids




WGK
WGK 1 slightly water endangering




Disposal
14

Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).		












Safety Information 






Hazard Symbols
 Irritant






Categories of danger
irritant




R Phrase
R 36

Irritating to eyes.		












Storage and Shipping Information 






Storage
Store at +5°C to +30°C.












Specifications 






Application test
passes test




Absorbance ( 2g pressed disk, 0.5 cm layer thickness) (Water; 3250-3750/1620-1640 cm⁻¹)
≤ 0.15




Absorbance ( 2g pressed disk, 0.5 cm layer thickness) (CH-compounds; 2750-3100 cm⁻¹)
≤ 0.004




Absorbance ( 2g pressed disk, 0.5 cm layer thickness) (other ; 420-4000 cm⁻¹)
≤ 0.015






Potassium bromide for IR spectroscopy Uvasol®.


1.04907.0500


M104907.0500


1049070500


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Potasyum bromür

    

	    

		            
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                        500 gr
                        233,74 € + %20 KDV
                            
                        
                    

					        

    

	    

	    

		
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