Khoom

Potassium Bromide

Khoom Taw qhia

Potassium bromide Cov ntaub ntawv yooj yim

Khoom npe:	Potassium bromide
Synonyms:	bromuredepotassium; Hydrobromic acid poov tshuaj ntsev; KBr; Potassium bromide (KBr); Potassiumbromide (kbr); Potassiumbromidecrystalopticdisc, 13mmx2mm, polishedobthsides; Potassiumbromidecrystalopticrectangle, 38.5mmx4mmx19. 41mmx23mmx6mm, unpolished
CAS:	7758-02-3
MF:	BrK
MW:	119
EINECS:	231-830-3
Khoom Categories:	Tshuaj Synthesis; Crystal Grade Inorganics; Inorganic ntsev; Khoom siv Science; Hlau thiab Ceramic Science; Potassium ntsev; Biochemicals thiab Reagents; Qhov ntom ntom ntom; Cov ntsev ntawm Alkali Metals; Halogenated SolutionsVolumetric Solutions; N - RSynthetic Reagents; Cov tshuaj ntsev ntsev; IR Spectroscopy Reagents; Hlau thiab Ceramic Science; Kev Tshawb Fawb Reagents rau Kev Siv dav dav; OP, Puriss pa; Puriss pa; ACS QibSynthetic Reagents; Cov Tshuaj Tseem Ceeb; Potassium; Routine Reagents; OP, Puriss pa ACSDerivatization Reagents; Derivatization LC; ;TLC Reagents, NR; TLC ReagentsDerivatization Reagents TLC; TLC Visualization Reagents (alphabetic sort); OP, Puriss pa ACS; Inorganics; Potassium Hlau thiab Ceramic Science; Crystal Qib Inorganics; Inorganic ntsev; Potassium ntsev; Cov khoom siv ntsev; Cov khoom siv hluavtaws nitrateTitration; Salt Concentrates; Los ntawm Cov Khoom Siv; Concentrates (piv txwv li FIXANAL); Halogenated Concentrates Concentrates (xws li FIXANAL); Titration; IR Spectroscopy; Spectroscopy; AlphabeticalBiochemicals thiab Reagents; AlphabeticalSynthetic Reagents; Potassiums; tus tsim tawm
Mol File:	7758-02-3.mol

Potassium bromide Chemical Properties

Melting point	734 degree (lit.)
Boiling point	1435 degree / 1 atm (lit.)
ceev	3.119 g / mL ntawm 25 degree (lit.)
vapor ceev	7.14 (zeeg)
vapor siab	175 hli Hg (20 degree)
Refractive Index	1.559
Fp	14 35 degree
cia temp.	Khaws ntawm +5 degree rau +30 degree .
solubility	H₂O: 1 M ntawm 20 degree, ntshiab, tsis muaj xim
daim ntawv	random siv lead ua
xim	Dawb
Specific Gravity	2.75
PH	5. 0-8.8 (25 degree, 50mg/mL hauv H2O)
Dej Solubility	650 g/L (20 ºC)
rhiab heev	Hygroscopic
lw max	λ: 260 nm Amax: 0.01 λ: 280 nm Amax: 0.01
Merck	14,7618
Dielectric tsis tu ncua	4.8700000000000001
Kev ruaj ntseg:	ruaj khov. Incompatible nrog muaj zog oxidizing cov neeg ua hauj, muaj zog acids, bromine trifluoride thiab bromine trichloride.
InChIKey	IOLCXVTUBQKXJR-UHFFFAOYSA-M
LogP	1 ntawm 25 degree
CAS DataBase Reference	7758-02-3(CAS DataBase Reference)
NIST Chemistry Reference	Potassium bromide (7758-02-3)
EPA Tshuaj Registry System	Potassium bromide (7758-02-3)

Cov ntaub ntawv kev nyab xeeb

Hazard Codes	Xis
Risk Statements	36/37/38-36
Cov lus hais txog kev nyab xeeb	26-45-61-7/9-39-36
RIDADR	UN 1744 8/PG 1
WGK Germany	2
RTECS	TS 765000
F	3-10
TSCA	Yog lawm
HS Code	28275100
Cov Ntaub Ntawv Muaj Xwm Ceev	7758-02-3(Cov ntaub ntawv muaj phom sij)
Toxicity	LD50 qhov ncauj hauv Luav:> 2000 mg / kg

MSDS Cov Ntaub Ntawv

Tus kws kho mob	Lus
Potassium bromide	Lus Askiv
SigmaAldrich	Lus Askiv
ACROS	Lus Askiv
ALFA	Lus Askiv

Potassium bromide Siv thiab Synthesis

Chemical Properties	Potassium bromide yog dawb los yog xim tsis muaj xim crystalline khoom nrog pungent muaj zog iab thiab saline saj, me ntsis hygroscopic thiab soluble hauv dej thiab me ntsis soluble hauv ethanol thiab ether; kub; nqe 2,75;. mp734 qib;. wb 1435de. Potassium bromide tej zaum yuav npaj los ntawm qhov kev txiav txim ntawm bromine ntawm kub potassium hydroxide solutionor los ntawm kev ua ntawm hlau (III) bromideor hydrogen bromide ntawm cov tshuaj potassium carbonate. Nws yog siv dav hauv kev lag luam yees duab thiab tseem siv los ua sedative. Vim tias nws qhov ntau ntawm cov pob tshab rau cov hluav taws xob infrared, KBr yog siv ob qho tib si los ua cov qauv rau cov qauv khoom thiab ua cov khoom siv prism hauv infrared spectroscopy.
Siv	Potassium bromide tau siv los ua cov halide thib ob hauv kev sib xyaw nrog iodide hauv cov txheej txheem tsis zoo, albumen ntawm cov txheej txheem iav, thiab cov txheej txheem ntub dej collodion. Thaum nyiaj bromide gelatin emulsion tau tsim, potassium bromide yog thawj halide. Nws kuj tau siv ua ke nrog bichloride ntawm mercury, tooj liab sulfate, los yog potassium ferricyanide hauv cov duab bleaches thiab ua ib qho kev txwv nyob rau hauv alkaline developers siv rau gelatin daim hlau thiab tsim tawm cov ntaub ntawv.
Daim ntawv thov	Potassium bromide yog siv dav hauv optics vim KBr muaj qhov ntsuas qis qis thiab qhov dav spectral ntau rau hauv infrared nrog ze li tsis muaj kev nqus. Raws li qhov tshwm sim, KBr tau dav siv los ua lub qhov rais infrared optical, ua infrared beamsplitters, thiab ua substrates rau interferometers. Feem ntau KBr yog siv rau hauv kev sib kis infrared spectroscopy raws li kev tshaj tawm rau cov qauv hmoov. Cov KBr thiab hmoov yog av ua ke thiab nias, siv ib tug tuag, mus rau hauv ib tug nyias disc nyob rau hauv lub tshuab nqus tsev vacuum. Lub disc tshem tawm cov qauv yam tsis muaj kev txhawb nqa rau cov teeb liab kis. Potassium bromide kuj tau siv rau hauv kev sib txuas, feem ntau yog qhov chaw ntawm bromide ions. Piv txwv li, ob qhov kev hloov pauv ntawm KBr thiab bismuth nitrate yielded nanosheets ntawm bismuth oxybromide. Kev daws teeb meem ntawm KBr kuj tau pom tias muaj txiaj ntsig zoo-tswj cov neeg ua haujlwm lossis siv lead ua tus cwj pwm hloov pauv hauv kev tsim cov hlau nanocrystals, suav nrog palladium nanorods thiab bimetallic platinum-paladium nanocrystals. KBr yog ib qho chaw ntawm bromide ions siv los ua nucleophiles hauv cov organic chemistry.
Kev npaj	Potassium bromide yog tsim los ntawm qhov kev txiav txim ntawm bromine ntawm kub potassium hydroxide tov los yog Reacting elemental bromine nrog poov tshuaj hydroxide los yog poov tshuaj iodide yuav tsim cov poov tshuaj bromide ntsev: KOH + Br2 → KBr + HOBr KI + Br2 → KBr + I2 Cov tshuaj tiv thaiv ntawm bromine nrog potassium carbonate thiab urea yog lub hauv paus ntawm cov txheej txheem. Thawj kauj ruam ntawm cov txheej txheem suav nrog qhov sib ntxiv ntawm K2SO4 rau cov tshuaj potassium carbonate, tom qab ntawd los ntawm cua sov rau 80 degree. Tom qab cov hmoov lead-muaj precipitate raug tshem tawm los ntawm kev pom, cov bromine thiab urea ntxiv, thiab kub thiab pH raug kho rau 30 degree thiab 6.0-6.5, raws li. Potassium bromide rov qab los ntawm recrystallization tom qab txo qhov ntim ntawm cov tshuaj reacting los ntawm evaporation. Cov sulfate tuaj yeem raug tshem tawm los ntawm kev daws los ntawm kev ntxiv BaBr2.
Txhais	ChEBI: Potassium bromide yog hlau bromide ntsev nrog K (+) counterion. Nws yog siv rau hauv kev tsim cov duab thaij duab, tsim tawm, zaj duab xis thickener, toner thiab xim duab bleach.
Kev piav qhia dav dav	Potassium bromide yog cov ntsev dawb uas crystallizes hauv cov pob zeb pob zeb ntsev, zoo li sodium chloride. KBr yog hygroscopic, deliquescent, soluble nyob rau hauv dej, thiab soluble nyob rau hauv ib co polar organic solvents xws li glycerol, ethylene glycol, kua ammonia, thiab kub ethanol, tab sis insoluble nyob rau hauv acetone. Aqueous daws yog nruab nrab (pH txog 7). Thaum yaj, KBr dissociates tag nrho rau hauv nws cov ions, ua rau nws muaj txiaj ntsig zoo ntawm bromine ions nyob rau hauv ob qhov kev tawm tsam los yog cov tshuaj ntsev metathesis. Piv txwv li, cov cuab yeej no tau siv rau hauv kev tsim cov duab thaij duab ntawm cov nyiaj bromide: KBr tau hnov mob nrog nyiaj nitrate rau precipitate silver bromide, ntsev uas decomposes ntawm lub teeb pom kev.
Cua & Dej Reactions	Dej soluble.
Reactivity Profile	Potassium bromide tsis nyob rau hauv feem ntau muaj zog reactive. Ib tug tsis muaj zog txo tus neeg sawv cev, incompatible nrog oxidizing agents. Tsis tas li ntawd incompatible nrog ntsev ntawm mercury thiab nyiaj. Kev ua phem tshwm sim tshwm sim nrog bromine trifluoride. Tej zaum yuav hnov mob nrog nitrous ether ntsuj plig, ntau alkaloidal ntsev thiab starch. Tej zaum kuj yuav ua rau cov acids. Reacts nrog concentrated sulfuric acid los tsim fumes ntawm hydrogen bromide.
Hazard	Toxic los ntawm kev noj thiab nqus pa
Hluav Taws Xob	Flash point cov ntaub ntawv rau Potassium bromide tsis muaj; Txawm li cas los xij, Potassium bromide tej zaum yuav tsis muaj teeb meem.
Flammability thiab Explosibility	Tsis yog nplaim taws
Biochem/physiol Actions	Potassium bromide (KBr) yog siv los ua cov tshuaj tiv thaiv kab mob thiab sedative. KBr yog siv rau optical qhov rais thiab prisms. KBr yog pob tshab nyob rau hauv lub dav wavelength ntau yam los ntawm ze ultraviolet mus rau ntev yoj infrared. Nws yog ua haujlwm nyob rau hauv cov qauv kev npaj rau infrared kis tau tus mob spectra.
Kev ruaj ntseg Profile	Muaj tshuaj lom los ntawm kev noj tshuaj thiab txoj hauv kev intraperitoneal. Cov koob tshuaj loj tuaj yeem ua rau muaj kev nyuaj siab hauv nruab nrab paj hlwb. Kev nqus tau ntev ntev tuaj yeem ua rau tawv nqaij tawg. Cov ntaub ntawv hloov pauv tau tshaj tawm. Kev kub ntxhov nrog BrF3. Thaum rhuab mus rau decomposition nws emits cov pa phem ntawm K2O thiab Br-. Saib BROMIDES thiab.
Veterinary tshuaj thiab kev kho mob	Bromides are used both as primary therapy and as adjunctive therapy to control seizures in dogs that are not adequately controlled by phenobarbital (or primidone) alone (when steady state trough phenobarbital levels are >30 mcg / mL rau tsawg kawg ib hlis). Thaum keeb kwm bromides tsuas yog pom zoo rau kev siv ib leeg rau cov neeg mob uas muaj phenobarbital (los yog primidone) hepatotoxicity, lawv feem ntau siv los ua cov tshuaj thawj zaug. Txawm hais tias tsis nquag siv, bromides kuj suav hais tias tsim nyog los ntawm qee qhov siv rau hauv cov miv uas muaj mob qaug dab peg, tab sis cov miv yuav muaj kev cuam tshuam ntau dua rau cov tshuaj tsis zoo.
Txoj Kev Purification	Crystallize cov bromide los ntawm cov dej distilled (1mL / g) ntawm 100o thiab 0o. Ntxuav nws nrog 95% EtOH, ua raws li Et2O. Qhuav nws nyob rau hauv huab cua, ces sov nws ntawm 115o rau 1 teev, pulverize nws, ces sov nws nyob rau hauv lub qhov cub nqus tsev ntawm 130o rau 4 teev. Nws kuj tau crystallized los ntawm aqueous30% EtOH, los yog EtOH, thiab qhuav dhau P2O5 nyob rau hauv lub tshuab nqus tsev ua ntej cua sov hauv qhov cub.

Potassium bromide Kev Npaj Cov Khoom Siv Thiab Cov Khoom Raw

Cov khoom nyoos

Potassium carbonate-->Government regulation-->Potassium hydroxide-->Urea-->Hydrogen bromide-->2,3-DICHLORO-5,8-DIHYDROXY-1,4-NAPHTHOQUINONE-->Ampicillin

Cov khoom npaj

Cuprous bromide-->Potassium bromate-->(S)-4-BOC-MORPHOLINE-3-CARBOXYLIC ACID-->4-BROMOMETHYLTETRAHYDROPYRAN-->MORPHOLINE-3,4-DICARBOXYLIC ACID 4-TERT-BUTYL ESTER-->3-Bromo-7-(trifluoromethyl)imidazo[1,2-a]pyrimidine-->Cyclopropanecarboxaldehyde-->Beclobrate-->Tazobactam acid-->DL-Threonine-->1 10-PHENANTHROLINE-5 6-DIONE 97-->Hydroxyacetone-->1,1-diethoxyethylene-->5-Bromo-2-oxindole-->3-Bromobenzophenone-->trans,trans-Muconic acid-->4-Bromobenzyl bromide-->mercurous bromide-->4-Phenoxy-2,6-Diisopropyl Aniline-->MERCURIC BROMIDE

Cim npe nrov: Tuam Tshoj potassium bromide manufacturers, lwm tus neeg, Hoobkas

Tug: Calcium Bromide

Tom ntej: Sodium Bromide

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