Potassium bromide manufacturers and suppliers

Potassium bromide suppliers

Properties

Melting point:: 734 °C (lit.)

Boiling point:: 1435 °C/1 atm (lit.)

Density: 3.119 g/mL at 25 °C(lit.)

bulk density: 900-1000kg/m3

vapor density: 7.14 (vs air)

vapor pressure: 175 mm Hg ( 20 °C)

refractive index: 1.559

Flash point:: 1435°C

storage temp.: Store at +5°C to +30°C.

solubility: H₂O: 1 M at 20 °C, clear, colorless

form: random crystals

color: White

Specific Gravity: 2.75

PH: 5.0-8.8 (25℃, 50mg/mL in H2O)

Water Solubility: 650 g/L (20 ºC)

Thermal Conductivity: 3.807 W/(m·K)

λmax: λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01

Sensitive: Hygroscopic

Merck: 14,7618

Dielectric constant: 4.8700000000000001

Stability:: Stable. Incompatible with strong oxidizing agents, strong acids, bromine trifluoride and bromine trichloride.

Cosmetics Ingredients Functions: VISCOSITY CONTROLLING

InChI: 1S/BrH.K/h1H;/q;+1/p-1

InChIKey: IOLCXVTUBQKXJR-UHFFFAOYSA-M

SMILES: [K+].[Br-]

LogP: 1 at 25℃

CAS DataBase Reference: 7758-02-3(CAS DataBase Reference)

NIST Chemistry Reference: Potassium bromide(7758-02-3)

EPA Substance Registry System: Potassium bromide (7758-02-3)

Safety Information

Symbol(GHS): GHS07

Signal word: Warning

Hazard statements: H319

Precautionary statements: P280-P305+P351+P338-P337+P313

Hazard Codes: Xi

Risk Statements: 36/37/38-36

Safety Statements: 26-45-61-7/9-39-36

RIDADR: UN 1744 8/PG 1

WGK Germany: 2

RTECS: TS7650000

F: 3-10

TSCA: TSCA listed

HS Code: 28275100

Storage Class: 11 - Combustible Solids

Hazard Classifications: Eye Irrit. 2

Hazardous Substances Data: 7758-02-3(Hazardous Substances Data)

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

REACH Registrations: Active

Use

Potassium bromide was used as a secondary halide in combination with an iodide in the paper negative processes, the albumen on glass process, and the wet collodion processes. When silver bromide gelatin emulsion was invented, potassium bromide was the primary halide. It was also used in combination with either bichloride of mercury, copper sulfate, or potassium ferricyanide in photographic bleaches and as a restrainer in alkaline developers used for gelatin plates and developing-out papers.

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