Potassium bromide

• CAS No:

7758-02-3

• Formula:

BrK

• Chemical Name:

Potassium bromide

Description

White, crystalline granules or pow-der; pungent, strong, bitter, saline taste; somewhathygroscopic.Solu-ble in water and glycerol; slightly soluble in alcoholand ether.

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

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)|Potassium bromide is a metal bromide salt with a K(+) counterion.

Potassium bromide Basic Attributes

Molecular Weight ：119

Exact Mass ：117.882034

EC Number ：231-830-3

UNII ：OSD78555ZM

NSC Number ：77367

DSSTox ID ：DTXSID5025946

Color/Form ：Colorless crystals or white granules or powder|Colorless cubic crystals|White, crystalline powder or granules

Characteristics

PSA ：0

XLogP3 ：-2.99600

Appearance ：White random crystals

Density ：2.75 g/cm³ @ Temp: 25 °C

Melting Point ：730 °C

Boiling Point ：1435 °C

Flash Point ：1435°C

Refractive Index ：1.559

Water Solubility ：H2O: 650 g/L (20 ºC)

Storage Conditions ：2-8°C

Vapor Pressure ：175 mm Hg ( 20 °C)

Vapor Density ：7.14 (vs air)

Toxicity ：LD50 orally in Rabbit: > 2000 mg/kg

Odor ：Odorless

Taste ：Pungent, strong, bitter, saline

PH ：The aqueous solution is neutral.

Experimental Properties ：Hygroscopic|Somewhat hygroscopic

Air and Water Reactions ：Water soluble.

Reactive Group ：Non-Redox-Active Inorganic Compounds

Reactivity Profile ：POTASSIUM BROMIDE is not in generally strongly reactive. A weak reducing agent, incompatible with oxidizing agents. Also incompatible with salts of mercury and silver. Violent reactions occur with bromine trifluoride. May react with nitrous ether spirit, many alkaloidal salts and starch. May also react with acids (NTP, 1992). Reacts with concentrated sulfuric acid to generate fumes of hydrogen bromide.

Critical Temperature & Pressure ：Critical temperature = 3520.00 K; critical pressure = 1.1552X10+7 Pa

Potassium bromide Use

manufacture of photographic papers and plates; process engraving. Used as analytical reagent and developer, also used in the pharmaceutical industry; used in the emulsion or formulated developer of motion picture film and photographic film, used as a sedative in medical treatment; used in the photosensitive material industry to make photosensitive film, developer, and film thickening Toners, toners and color photo bleaching agents. Used in medicine as a nerve tranquilizer (tribromine tablets). In addition, it is also used in chemical analysis reagents, transmission of spectroscopy and infrared, special soap making, carving, lithography, etc. Used in the manufacture of photosensitive film developer and film thickening agent. It is also used as a nerve sedative, and it is also used to make special soaps, sculptures and lithography.