Merck 104907 0100 Potassium Bromide For ir Spectroscopy Uvasol 100 GR.

Merck 104907 0100 Potassium Bromide For ir Spectroscopy Uvasol 100 GR.

82.98 ( KDV Dahil )

for IR spectroscopy Uvasol® CAS #: 7758-02-3 EC Number: 231-830-3

Stok kodu: 104907.0100 Kategoriler: ,

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Description
Catalogue Number 104907
Replaces PX1378
Synonyms Hydrobromic Acid Potassium Salt
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 119.01 g/mol
HS Code 2827 51 00
Quality Level MQ100

Physicochemical Information
Boiling point 1435 °C (1013 hPa)
Density 2.750 g/cm3
Melting Point 734 °C
pH value 5.0 – 6 (119 g/l, H₂O, 25 °C)
Vapor pressure 1.3 hPa (795 °C)
Bulk density 900 – 1000 kg/m3
Solubility 650 g/l

Toxicological Information
LD 50 oral LD50 Rat > 2000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Statement(s) H319: Causes serious eye irritation.
Precautionary Statement(s) P264: Wash skin thoroughly after handling.
P280: Wear eye protection/ face protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337 + P313: If eye irritation persists: Get medical advice/ attention.
Signal Word Warning
RTECS TS7650000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
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
Categories of danger irritant

Storage and Shipping Information
Storage Store at +2°C to +30°C.

Specifications
Application test passes test
Absorbance(2g pressed disk, 0.5 cm layer thickness)(Water; 3775-3050 / 1760-1520 cm-1) ≤ 0.15
Absorbance(2g pressed disk, 0.5 cm layer thickness)(CH-compounds; 3050-2750 cm⁻¹) ≤ 0.004
Absorbance(2g pressed disk, 0.5 cm layer thickness)(other ; 4000-400 cm⁻¹) ≤ 0.020
Particle Size (d10) ≤ 150 µm
Particle Size (d50) ≤ 250 µm
Particle Size (d90) ≤ 500 µm
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