Merck 104907.0100 Potassium bromide

for IR spectroscopy Uvaso

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Ambalaj Miktarı: 100 gr

(2025 güncel fiyat)

Ambalaj Fiyatı: 69,49 € + %20 KDV

 

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Ürün Fiyatı: 69,49 €

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

1.04907.0100

M104907.0100

1049070100

Potasyum bromür

laboratuvar kimyasalları

Ürün Özellikleri:

100 gr 69,49 € + %20 KDV
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