Khoom Taw qhia
| Sodium bromide Cov ntaub ntawv yooj yim |
| Lub cev thiab cov khoom siv tshuaj Chemical Properties Siv txoj kev tsim khoom Toxicity |
| Khoom npe: | Sodium bromide |
| Synonyms: | Bromuredesodium; Hydrobromic acid sodium ntsev; NaBr; Sedoneural; Sodium bromide (NaBr); sodium bromide (nabr); BROMIDE STANDARD SOLUTION; BROMIDE |
| CAS: | 7647-15-6 |
| MF: | NaBr |
| MW: | 102.89 |
| EINECS: | 231-599-9 |
| Khoom Categories: | Khoom siv Science; Hlau thiab Ceramic Science; hlau halide; Sodium ntsev; hmoov dawb los yog siv lead ua; rhiab emulsion ntawm cov duab thaij duab; Ntshiab ntsev rau Melting Digestions (Tsev SELECT) Analytical / Chromatography; Analytical Reagents; Atomic Absorption Spectroscopy (AAS); Digestion ; Qaum kev soj ntsuam reagents; inorganic ntsev; ion cov kab mob chromatography; Gradient; ntsev ntawm Alkali Metals; Crystal Grade Inorganics; Cov ntsev; Sodium ntsev; SodiumMetal thiab Ceramic Science; Inorganics; Av Drilling Chemicals; Routine Reagents; AlphabeticalSynthetic Reagents; Roj Drilling Chemicals; 7647-15-6 |
| Mol File: | 7647-15-6.mol |
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| Sodium bromide Chemical Properties |
| Melting point | 755 degree (lit.) |
| Boiling point | 1390 degree |
| ceev | 3,203 g / cm33 |
| vapor siab | 1 hli Hg (806 degree) |
| Refractive Index | 1.6412 |
| Fp | 1390 degree |
| cia temp. | Khaws ntawm chav tsev kub. |
| solubility | H2O: 1 M ntawm 20 degree, ntshiab, tsis muaj xim |
| daim ntawv | Hmoov |
| Specific Gravity | 3.21 |
| xim | Dawb |
| PH | 5.74 (430g / l, H2O, 22.5 degree) |
| Dej Solubility | 905 g/L (20 ºC) |
| rhiab heev | Hygroscopic |
| lw max | λ: 260 nm Amax: 0.01 λ: 280 nm Amax: 0.01 |
| Merck | 14,8594 |
| BRN | 3587179 |
| Dielectric tsis tu ncua | 6.3399999999999999 |
| Kev ruaj ntseg: | ruaj khov. Incompatible nrog muaj zog acids. Hygroscopic. |
| InChIKey | JHJLBTNAGRQEKS-UHFFFAOYSA-M |
| LogP | 0 ntawm 25 degree |
| CAS DataBase Reference | 7647-15-6(CAS DataBase Reference) |
| NIST Chemistry Reference | Sodium bromide (7647-15-6) |
| EPA Tshuaj Registry System | Sodium bromide (7647-15-6) |
| Cov ntaub ntawv kev nyab xeeb |
| Hazard Codes | Xis |
| Risk Statements | 36/37/38 |
| Cov lus hais txog kev nyab xeeb | 24/25-25-36-26-22 |
| WGK Germany | 1 |
| RTECS | VZ3150000 |
| F | 3 |
| TSCA | Yog lawm |
| HS Code | 28275100 |
| Cov Ntaub Ntawv Muaj Xwm Ceev | 7647-15-6(Cov ntaub ntawv muaj phom sij) |
| Toxicity | LD50 qhov ncauj hauv nas: 3.5 g / kg (Smith, Hambourger) |
| MSDS Cov Ntaub Ntawv |
| Tus kws kho mob | Lus |
|---|---|
| Sodium bromide | Lus Askiv |
| SigmaAldrich | Lus Askiv |
| ACROS | Lus Askiv |
| ALFA | Lus Askiv |
| Sodium bromide Siv thiab Synthesis |
| Lub cev thiab tshuaj muaj zog | sodium bromide yog ib qho tsis muaj xim cubic siv lead ua los yog dawb granular hmoov, thiab belongs rau isometric system. Nws yog odorless, thiab muaj me ntsis iab thiab briny saj tab sis siab toxicity. Nws yog ib qho yooj yim kom nqus noo noo thiab caking tab sis tsis muaj deliquescence. Nws yog me ntsis soluble hauv cawv thiab yooj yim soluble hauv dej (ntawm 100 degree, solubility hauv 100ml dej solubility yog 121g), nws cov kua aqueous yog nruab nrab nrog hluav taws xob conductivity. Lub anhydrous sodium bromide siv lead ua yuav raug precipitated ntawm 51 degree nrog dihydrate compound tsim ntawm kub qis dua 51 degree. Nws cov bromide ion tuaj yeem hloov tau los ntawm fluorine, thiab chlorine. Nyob rau hauv acidic tej yam kev mob, nws yuav oxidized los ntawm oxygen thiab tso dawb bromine; Cov txheej txheem no yog coj kom zoo dua los ntawm kev lag luam los tsim bromine. Nws tuaj yeem muaj cov tshuaj tiv thaiv nrog dilute sulfuric acid los tsim hydrogen bromide. Txawm li cas los xij, hydrobromic acid yog cov kua qaub muaj zog uas tsis tuaj yeem tsim los ntawm cov tshuaj tiv thaiv nrog dilute sulfuric acid thiab tsuas yog ua los ntawm cov kua qaub uas kub kub kom ua kom cov kua qaub qis. Txawm li cas los xij, peb yuav tsum tsis txhob siv cov concentrated sulfuric acid uas muaj zog oxidation nyhuv thiab yog li hloov bromine (-1) mus rau hauv bromine keeb thiab tso cov roj liab-xim av. Txoj kev no tuaj yeem siv los txheeb xyuas cov tshuaj sodium iodide (Cua sov sodium iodide thiab concentrated sulfuric acid ua ke yuav tso cov pa roj liab-liab), Yog li, peb tuaj yeem siv cov concentrated phosphoric acid ua ke nrog sodium bromine rau cua sov los tsim hydrogen bromine. Bromide ions tuaj yeem txhim kho cov txheej txheem inhibitor ntawm lub hlwb cortex, thiab txhawb lawv cov concentration. Yog li ntawd, kev kho mob nws tuaj yeem siv los ua tranquilizers, thiab tshuaj hypnotic lossis anticonvulsant. Thaum tib neeg nqos los yog nqus tau cov khoom sib txuas, nws yuav ua rau muaj kev puas tsuaj rau lub hauv paus paj hlwb, lub hlwb, thiab qhov muag thaum ua rau cov tawv nqaij, qhov muag thiab ua pa. |
| Chemical Properties | Sodium bromide yog cov xim tsis muaj xim cubic siv lead ua lossis dawb granular hmoov. Nws yog odorless, thiab muaj me ntsis iab thiab briny saj tab sis siab toxicity. Nws yooj yim soluble hauv dej (ntawm 100 degree, solubility hauv 100ml dej solubility yog 121g), tab sis me ntsis soluble hauv cawv. |
| Siv |
Sodium bromide tuaj yeem siv los ua cov khoom siv raw hauv kev npaj ua kua thaij duab; kho mob raws li sedative, tus neeg sawv cev brominating hauv luam ntawv thiab dyeing; nws kuj tseem siv tau rau hauv cov tshuaj tsw qab hluavtaws thiab lwm yam tshuaj. Kev lag luam yees duab siv nws rau kev npaj cov kua photosensitive zaj duab xis. Nws yog siv rau kev kho mob ntawm diuretics thiab sedatives. Kev lag luam naj hoom siv nws rau kev tsim cov tshuaj tsw qab hluavtaws. Kev lag luam luam ntawv thiab dyeing siv nws ua tus neeg sawv cev brominating. Tsis tas li ntawd, nws tseem tuaj yeem siv rau cov organic synthesis thiab lwm yam. Sodium bromide yog siv rau kev lag luam yees duab, txuj lom, tshuaj thiab luam ntawv industries. Nws yog siv rau cov reagents rau kev tsom xam, thiab kuj yuav siv tau rau synthesis ntawm inorganic thiab organic tebchaw thiab tshuaj kev lag luam. Nws raug foob rau kev yees duab yees duab, tshuaj, tshuaj tsw qab, dyes thiab lwm yam lag luam. Nws tuaj yeem siv rau kev txiav txim siab ntawm kab cadmium thiab Kev tsim khoom ntawm bromide. Nws tseem tuaj yeem siv rau inorganic thiab organic synthesis, photogravure thiab pharmaceuticals. |
| Txoj kev tsim khoom | urea txo: yaj soda tshauv (sodium carbonate), urea hauv dej kub, thiab muab tso rau hauv lub reactor; maj mam ntxiv bromine rau cov tshuaj tiv thaiv thiab tsim sodium bromide. Tom qab ntawd ntxiv cov pa roj carbon activated rau decolorization; Ntxiv rau kev pom, evaporation, crystallization, centrifugal sib cais, thiab ziab kom tau txais cov khoom siv sodium bromide. Cov tshuaj tiv thaiv yog raws li nram no: 3Br2 + 3Na2CO3 + NH2CONH2 → 6NaBr + 4CO2 ↑ + N2 ↑ + 2H2O Neutralization txoj kev: ntxiv txog 40% hydrobromic acid rau hauv lub reactor, do thiab maj mam ntxiv 40% caustic tov rau neutralization rau Ph 7.5 ~ 8 rau tsim sodium bromide; Tom qab kev sib cais los ntawm centrifugation, evaporation, crystallization thiab centrifuged rov sib cais, ces peb tuaj yeem tau txais cov khoom kawg ntawm sodium bromide. cov tshuaj tiv thaiv yog: HBr + NaOH → NaBr + H2O |
| Toxicity | Peb yuav tsum tiv thaiv nws txoj kev noj thiab nqus pa; zam qhov kev sib cuag ntawm qhov muag thiab tawv nqaij nrog nws. Yog tias nqus tau los yog nqus tau tshwm sim, qhov tshwm sim tsis zoo xws li kiv taub hau, xeev siab, thiab ntuav tuaj yeem tshwm sim. Hauv cov xwm txheej no, peb yuav tsum tau mus ntsib kws kho mob tam sim ntawd. Thaum raug txaws rau ntawm qhov muag, peb yuav tsum tam sim ntawd yaug nrog dej tshiab rau 20 feeb; Thaum cov tawv nqaij sib cuag nrog sodium bromide, peb yuav tsum tau yaug nrog dej kom ntau. |
| Chemical Properties | Sodiumbromide, NaBr, yog dawb, hygroscopic, crystalline khoom nrog ib tug iab, saline saj.Nws yog dej soluble, nrog ib tug melting point ntawm 758 degree (1400 OF). Sodium bromide yog siv nyob rau hauv cov tshuaj raws li ib tug sedative thiab nyob rau hauv kev yees duab nyob rau hauv kev npaj ntawm silver bromide emulsion ntawm daim duab duab los yog zaj duab xis. |
| Lub cev muaj zog | Dawb crystalline hmoov los yog granules; saline thiab me ntsis iab saj; cubic qauv; Qhov ceev 3.20 g / cm33; melts ntawm 747 ° C; vaporizes ntawm 1,390 degree; vapor siab 1 torr ntawm 806 degree thiab 5 torr ntawm 903 degree; soluble hauv methanol, 16.7 g / 100mL. Lub dihydrate yog dawb crystalline khoom; Qhov ceev 2.18 g / cm33; decomposes ntawm 36 degree; soluble hauv dej; sparingly soluble hauv methanol. |
| Qhov tshwm sim | Sodium bromide tshwm sim hauv dej hiav txwv ntawm qhov nruab nrab ntawm 0.008%. Nws kuj tseem pom muaj nyob rau hauv qee qhov ntsev deposits. Nws yog siv hauv kev yees duab rau kev npaj lub teeb-sensitive silver bromide emulsions. Cov ntsev kuj yog siv los ua tshuaj dawb thiab tshuaj tua kab mob rau kev kho dej hauv cov pas dej da dej, chaw noj qab haus huv, thiab cov tub kub kub. Lwm yam kev siv yog ib qho catalyst rau ib feem oxidation ntawm hydrocarbons, kom ceev ceev ntawm aqueous drillng kua rau cov roj qhov dej, raws li ib tug electrolyte tivthaiv nyob rau hauv sodium-halogen roj teeb, raws li ib tug brominating tus neeg sawv cev nyob rau hauv cov organic synthesis, npaj bromide ntsev, thiab raws li ib tug kuaj. reagent. Sodium bromide yog siv nyob rau hauv cov tshuaj raws li ib tug sedative thiab hypnotic. |
| Siv | Sodium Bromide yog cov tshuaj muaj zog ntau thiab yog ib qho tseem ceeb tshaj plaws ntawm cov ntsev ntsev (NaBr2). High-purity qib yuav tsum tau nyob rau hauv lub formulation ntawm silver bromide emulsions rau kev yees duab. Cov tshuaj, feem ntau ua ke nrog hypochlorites, yog siv los ua tshuaj dawb, tshwj xeeb tshaj yog rau cellulosics. Kev tsim cov sodium bromide tsuas yog cuam tshuam nrog kev ua haujlwm ntawm HBr nrog NaOH lossis nrog sodium carbonate lossis bicarbonate. |
| Siv | Sodium Bromide yog ib qho inorganic compoiund siv los ua cov catalyst hauv photoinduced polymerization ntawm acrylates. |
| Txhais | ChEBI: Sodium bromide yog ib qho inorganic sodium ntsev uas muaj bromide ua tus counterion. Nws yog bromide ntsev thiab ib qho inorganic sodium ntsev. Nws yog siv nyob rau hauv photographic processing thiab analytical chemistry. |
| Kev npaj | Sodium bromide tuaj yeem npaj tau los ntawm ntau txoj hauv kev. Cov ntsev ntshiab tuaj yeem ua los ntawm kev ua kom tsis zoo sodium hydroxide lossis sodium carbonate nrog hydrobromic acid. Cov tshuaj yog evaporated rau crystallization: NaOH + HBr → NaBr + H2O NaCO3+ HBr → NaBr + CO2 + H2O Sodium bromide tuaj yeem ua tau los ntawm kev hla bromine los ntawm cov kua dej ntawm sodium hydroxide lossis carbonate nyob rau hauv lub xub ntiag ntawm tus neeg sawv cev txo qis, xws li ammonia, hydrazine, activated charcoal, lossis Fe.2+ion. Ib txoj hauv kev suav nrog ntxiv cov hlau rau bromine dej los tsim ferrosoferric bromide, Fe [FeBr5]. Qhov no ob ntsev yog yaj nyob rau hauv dej ntau dhau los ntawm kev ntxiv ntawm sodium carbonate. Cov khoom sib tov yog lim thiab cov lim dej yog evaporated kom crystallize sodium bromide. Tag nrho cov tshuaj tiv thaiv yuav raug sau raws li hauv qab no: 3Fe + 4Br2+ 4Na2CO3→ 8NaBr + FeCO3+ Fe2(CO3)3 Lwm txoj kev suav nrog kev ntxiv bromine ntau dhau rau kev daws ntawm sodium hydroxide. Qhov no tsim sodium bromide thiab bromate. Cov khoom tov yog evaporated rau dryness. Cov bromate raug txo kom bromide los ntawm cua sov nrog carbon: 3Br2+ 2NaOH + H2O → NaBr + NaBrO3+ 4HBr. |
| Kev piav qhia dav dav | Sodium bromide yog ib tug brominating tus neeg sawv cev tsuas yog siv nyob rau hauv cov organic synthetic tshuaj raws li ib tug bromide qhov chaw. |
| Hazard | Toxic los ntawm inhalation thiab noj. |
| Flammability thiab Explosibility | Tsis yog nplaim taws |
| Biochem/physiol Actions | Sodium bromide tuaj yeem siv los hloov cov poov tshuaj bromide. |
| Kev ruaj ntseg Profile | Muaj tshuaj lom los ntawm kev noj tshuaj. Kev sim ua kom muaj menyuam. Incompatible nrog acids, alkaloidal thiab hnyav-hlau ntsev. Thaum rhuab mus rau decomposition nws emits tshuaj lom fumes ntawm Brand NazO. Saib BROMIDES thiab. |
| Txoj Kev Purification | Crystallize cov bromide los ntawm dej ({{0}}}.86mL / g) ntawm 50o thiab 0o, thiab qhuav nws ntawm 140o nyob rau hauv lub tshuab nqus tsev (qhov no purification yuav tsis tshem tawm cov chloride ion). |
| Kev tsis sib haum xeeb | Sodium bromide yog sib xws nrog feem ntau cov ntaub ntawv uas tsis yog xim hlau ntawm kev tsim kho xws li polypropylene, polyethylene, fiberglass reinforced yas (FRP), cellulose, ntaub, coatings, rubbers, thiab lwm yam. Hlau kuj tseem siv tau muab cov sodium bromide khaws cia qhuav. Yog tias cov sodium bromide ntub dej, cov hlau yuav raug kev txhim kho corrosion thiab stainless hlau thiab txhuas yuav raug kev txom nyem pitting nres. Tus nqi ntawm kev tawm tsam yuav nyob ntawm seb cov pa oxygen tam sim no tab sis feem ntau yuav tsis nrawm. |
| Sodium bromide Kev Npaj Cov Khoom Siv Thiab Cov Khoom Raw |
| Cov khoom nyoos | Sodium hydroxide-->Sodium carbonate-->Government regulation-->Urea-->Hydrogen bromide-->Lithium bromide |
| Cov khoom npaj | Phenethyl alcohol-->(S)-(-)-7,7'-BIS[DI(3,5-DIMETHYLPHENYL)PHOSPHINO]-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBIINDANE-->(R)-7,7'-BIS(DIPHENYLPHOSPHINO)-1,1'-SPIROBIINDANE-->(S)-1,1'-SPIROBIINDANE-7,7'-DIOL-->(11AR)-(+)-10,11,12,13-TETRAHYDRODIINDENO[7,1-DE:1',7'-FG][1,3,2]DIOXAPHOSPHOCIN-5-BIS(R)-1PHENYLETHYL]AMINE-->(11AR)-(+)-10,11,12,13-TETRAHYDRODIINDENO[7,1-DE:1',7'-FG][1,3,2]DIOXAPHOSPHOCIN-5-PHENOXY-->2-Amino-4-chloropyridine-->2-[3-(2H-Benzotriazol-2-yl)-4-hydroxyphenyl]ethyl methacrylate-->4-Bromotoluene-->(11AR)-(+)-10,11,12,13-TETRAHYDRODIINDENO[7,1-DE:1',7'-FG][1,3,2]DIOXAPHOSPHOCIN-5-DIMETHYLAMINE-->3-CARBOXY-4-CHLOROBENZENEBORONIC ACID-->1,1'-SPIROBIINDANE-7,7'-DIOL-->4-Aminobenzotrifluoride-->3-Azetidinecarboxylic acid-->4-Chloro-2-fluorophenylboronic acid-->2-Aminopyridin-4-ol-->3-METHYLGLUTARIC ACID-->5-BROMO-8-METHOXY-2-METHYL-QUINOLINE-->Styrene oxide-->TRICOSANOIC ACID-->4-Chloropyridine-2-carboxamide-->N-(Tetrahydro-2-furoylcarbonyl)piperazine hydrobromide-->2-BROMO-5-METHYLBENZOIC ACID-->14-METHYLPENTADECANOIC ACID-->OCTACOSANOIC ACID-->2-Bromo-6-methylbenzoic acid-->6-ACETHYOXY-8-METHYL-8-AZABICYCLO(3.2.1)OCTAN-3-ONE-->LIGNOCERIC ACID-->1,3-CYCLOHEXADIENE-->N,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochloride-->1-N-PROPYLPIPERAZINE DIHYDROBROMIDE-->4-(BROMOMETHYL)-3-NITROBENZOIC ACID-->4-BUTOXYANILINE-->2-Bromo-5-nitrothiazole-->2-(2-Bromoethyl)-1,3-dioxolane-->Probenecid-->Dyclonine hydrochloride |
Cim npe nrov: Tuam Tshoj sodium bromide manufacturers, lwm tus neeg, Hoobkas
Tug: Potassium Bromide
Tom ntej: Sodium Fluoride
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