NAVIGATION


Potassium bromide crystal optic rectangle, 30mm x 15mm x 4mm, unpolished

Catalog NumberACMA00015719

CategoryWindows & Spheres

Description
Potassium bromide appears as odorless colorless crystals or white crystalline powder or white granular solid with a pungent bitter saline taste. Aqueous solutions are neutral (pH about 7). (NTP, 1992);DryPowder; OtherSolid; PelletsLargeCrystals
IUPAC Name
potassium;bromide
Molecular Weight
119g/mol
Molecular Formula
KBr;BrK
Canonical SMILES
[K+].[Br-]
InChI
InChI=1S/BrH.K/h1H;/q;+1/p-1
InChI Key
IOLCXVTUBQKXJR-UHFFFAOYSA-M
Boiling Point
2615 °F at 760 mm Hg (NTP, 1992);1435 °C
Melting Point
1346 °F (NTP, 1992);730 °C
Density
2.75 at 77 °F (NTP, 1992);2.74 g/cu cm at 25 °C
Solubility
greater than or equal to 100 mg/mL at 59° F (NTP, 1992);In water, 67.8 g/100 g at 25 °C;Soluble in water;1 g dissolves in 1.5 mL water, 1 mL boiling water;1 g dissolves in 250 mL alcohol, 21 mL boiling alcohol, 4.6 mL glycerol;Soluble in glycerol; slightly soluble in alcohol, ether;Sparingly soluble in ethanol, diethyl ether
Application
The Potassium bromide crystal optic rectangle, with dimensions of 30mm x 15mm x 4mm and unpolished, serves a critical role in the field of optics and spectroscopy. This product is utilized primarily for its exceptional ability to transmit infrared radiation without significant absorption, making it ideal for applications such as infrared optical windows and beamsplitters. Its low refractive index and broad spectral range allow for effective usage in transmission infrared spectroscopy, where it acts as a medium for powder samples. By pressing KBr with a sample into a thin disc, it facilitates the examination of infrared spectra without affecting the transmitted signal. This crystal is also valuable in synthesis, providing bromide ions for various chemical reactions and contributing to the development of advanced nanomaterials and metal nanocrystals. Overall, the Potassium bromide crystal optic rectangle is indispensable in scientific and industrial applications where infrared transparency and chemical versatility are paramount.
Color/Form
Colorless crystals or white granules or powder;Colorless cubic crystals;White, crystalline powder or granules
Complexity
2
Covalently-Bonded Unit Count
2
EC Number
231-830-3
Exact Mass
117.88204g/mol
Formal Charge
0
Heavy Atom Count
2
MeSH Entry Terms
KBr;potassium bromide
Monoisotopic Mass
117.88204g/mol
NSC Number
77367
Odor
Odorless
Other Experimental
Hygroscopic;Somewhat hygroscopic;VP: 1 mm Hg at 795 °C
Refractive Index
Index of refraction = 1.559
Rotatable Bond Count
0
Stability
Stable under recommended storage conditions.
UNII
OSD78555ZM
Vapor Pressure
1 mm Hg at 1463 °F (NTP, 1992)
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