Potassium bromide
SIGMA/60089 - BioUltra, ≥99.5% (AT)
CAS Number: 7758-02-3
Empirical Formula (Hill Notation): BrK
Molecular Weight: 119.00
EC Number: 231-830-3
MDL Number: MFCD00011358
Linear Formula: KBr
Product Type: Chemical
| λ | 1 M in H2O |
| anion traces | bromate (BrO3-): ≤10 mg/kg |
| chloride (Cl-): ≤1000 mg/kg | |
| iodide (I-): ≤10 mg/kg | |
| sulfate (SO42-): ≤50 mg/kg | |
| assay | ≥99.5% (AT) |
| cation traces | Al: ≤5 mg/kg |
| As: ≤0.1 mg/kg | |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤10 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤5 mg/kg | |
| Li: ≤5 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Na: ≤200 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Sr: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| form | solid |
| impurities | insoluble matter, passes filter test |
| ≤0.001% total nitrogen (N) | |
| InChI | 1S/BrH.K/h1H;/q;+1/p-1 |
| InChI key | IOLCXVTUBQKXJR-UHFFFAOYSA |
| loss | ≤0.5% loss on drying, 110 °C |
| mp | 734 °C (lit.) |
| pH | 5.0-7.0 (25 °C, 1 M in H2O) |
| product line | BioUltra |
| Quality Level | 100  |
| SMILES string | [K+].[Br-] |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: 0.01 |
| λ: 280 nm Amax: 0.01 | |
| vapor pressure | <0.01 mmHg ( 20 °C) |
| 1 mmHg ( 795 °C) |
| Application: | May be used for removal of peripheral membrane proteins. |
| Application: | Potassium bromide is used in the preparation of stable Pd nanocubes used in immunolabeling. Potassium bromide is used for the purification of Sarcocystis neurona sporocysts by discontinuous density gradient centrifugation. |
| Biochem/physiol Actions: | Potassium bromide is useful in the treatment of refractory seizures or tonic-clonic seizures. It executes a stable excitable membrane by neuron hyperpolarization. |
| General description: | Potassium bromide is a chaotropic salt, mostly used as an anticonvulsant. |
| Other Notes: | In the resolution of flavoproteins into apoproteins and free flavins; Increases yield of extracellular SOD in the extraction from human tissues and cell lines |
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H319 |
| Precautionary statements | P280 - P305 + P351 + P338 - P337 + P313 |
| Hazard Codes | Xi |
| Risk Statements | 36 |
| Safety Statements | 26 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.5% (AT) |
| mp | 734 °C (lit.) |
| UNSPSC | 12352302 |