Shaanxi BLOOM Tech Co., Ltd. yog ib tug ntawm cov uas paub txog manufacturers thiab lwm tus neeg ntawm 4-(5-chloro-2-pyridylazo)-1,3-phenylenediamine cas 33006-91-6 nyob rau hauv Suav teb. Txais tos rau cov lag luam wholesale zoo 4-(5-chloro-2-pyridylazo)-1,3-phenylenediamine cas 33006-91-6 muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.
4-(5-Chloro-2-pyridylazo)-1,3-phenylenediamine peb muab yog 98% cov khoom ntshiab, Dithizone Indicator Reagent, peb ua tiav nrog peb cov thev naus laus zis.
Spectrophotometric Kev txiav txim siab ntawm Trace Strontium nrog 4- (5-chloro-2-pyridylazo) - 1,3-diaminobenzene.Cov xim tshuaj tiv thaiv ntawm strontium (Ⅱ) nrog 4- (5-chloro-2-pyridylazo) - 1, 3-diaminobenzene ntawm sodium sulfate tau kawm nyob rau hauv qhov kuaj pom uas nyob rau hauv acetic acid sodium acetate tsis tov nrog pH 6.0, strontium (Ⅱ) tsim ib tug 1: 1 daj complex nrog cov reagent. Qhov siab tshaj plaws nqus ncov ntawm lub complex yog ntawm 460 nm wavelength, thiab pom meej molar absorption coefficient ε yog 1.29 × Hauv 105.25 ml tov, strontium (II) cov ntsiab lus yog 0 ~ 12 μ Cov txheej txheem tau siv rau kev txiav txim siab ntawm Trace Strontium nyob rau hauv cov ntsiab lus ntawm txhuas reactorys.
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Tshuaj Formula |
C11H10ClN5 |
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Exact Mass |
247.06 |
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Molecular Luj |
247.79 |
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m/z |
247.06 (100.0%), 249.06 (32.0%), 248.07 (11.9%), 250.06 (3.8%), 248.06 (1.8%) |
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Elemental Analysis |
C, 53,34; H, 4,07; Kuv, 14.31; 28.28 Nws |
4-(5-Chloro-2-pyridylazo)-1,3-phenylenediamineqhia cov theem kev sib cais ntawm cobalt-4- (5-chloro-2-pyridylazo) -1,3-diaminobenzene (5-Cl-PADAB) complex nrog TritonX-100 ntawm huab point tau kawm. Lub complex tau enriched los ntawm TritonX-100 thaum cov tshuaj micelle tau rhuab mus rau 92 ± 1℃rau 40 min hauv pH 4.0 ~ 6.0 nruab nrab. Lub absorbance ntawm cov tshuaj enrichment yog ntsuas ntawm 575 nm. Beer txoj cai tau ua raws li cov ntsiab lus cobalt hauv thaj tsam ntawm 0 - 4 ug / 5 mL. Cov ions cuam tshuam tuaj yeem raug tshem tawm los ntawm kev ntxiv H _ 2SO _ 4 rau hauv TritonX-100 theem kev sib cais. Txoj kev npaj yog rhiab heev, yooj yim thiab tau siv rau kev txiav txim ncaj qha ntawm kab cobalt hauv tib neeg cov plaub hau thiab kais dej yam tsis muaj kev sib cais.
Analytical Chemistry
5-Cl-PADAB yog ib qho kev xaiv thiab rhiab heev colorimetric reagent rau kev txiav txim ntawm tej yam hlau, tshwj xeeb tshaj yog cobalt thiab cadmium. Thaum no reagent reacts nrog cobalt los yog cadmium ions, nws tsim ruaj khov thiab xim hlau-ligand complexes. Cov xim siv ntawm cov complexes yog ncaj qha proportional rau cov concentration ntawm cov hlau ions nyob rau hauv cov tshuaj.
Mechanism ntawm Reaction
- Cov tshuaj tiv thaiv ntawm 5-Cl-PADAB thiab cobalt lossis cadmium ions koom nrog kev sib koom tes ntawm cov hlau ions rau nitrogen atoms hauv pyridylazo thiab phenylenediamine moieties ntawm cov reagent. Qhov kev sib koom ua ke no ua rau tsim cov xim sib txawv, uas muaj qhov sib txawv ntawm qhov nqus spectrum hauv thaj tsam pom ntawm electromagnetic spectrum.
Cov txheej txheem analytical
- Txhawm rau ua qhov kev soj ntsuam kom muaj nuj nqis siv 5-Cl-PADAB, qhov paub qhov ntim ntawm cov qauv uas muaj cov hlau ions ntawm kev txaus siab yog sib xyaw nrog kev paub txog cov reagent. Qhov sib tov yog tso cai rau hnov mob rau ib lub sijhawm tshwj xeeb, feem ntau yog ob peb feeb, txhawm rau ua kom tiav cov txheej txheem nyuaj. Tom qab ntawd cov xim siv ntawm cov kev daws teeb meem yog ntsuas spectrophotometrically ntawm lub wavelength sib haum mus rau qhov siab tshaj plaws nqus ntawm cov hlau-ligand complex.
- Los ntawm kev sib piv cov ntsuas ntsuas nrog lub ntsuas ntsuas qhov nkhaus tau siv cov txheej txheem kev daws teeb meem ntawm cov hlau ion concentrations paub, qhov concentration ntawm cov hlau ions hauv cov qauv tuaj yeem txiav txim tau raug.
Kev soj ntsuam zaub mov
4-(5-Chloro-2-pyridylazo)-1,3-phenylenediamine yog dav siv nyob rau hauv kev soj ntsuam zaub mov, feem ntau yog rau kev kuaj thiab tshuaj xyuas cov ntsiab lus ntawm cobalt thiab cadmium nyob rau hauv ntau yam zaub mov thiab cov khoom ua liaj ua teb. Ob qho hlau hnyav no, yog tias muaj ntau dhau, yuav ua rau muaj kev phom sij rau tib neeg kev noj qab haus huv. Yog li ntawd, kev txheeb xyuas qhov tseeb ntawm lawv cov ntsiab lus yog qhov tseem ceeb los xyuas kom meej tias cov khoom noj thiab cov khoom ua liaj ua teb ua tau raws li lub teb chaws thiab cov qauv kev nyab xeeb, thiab tiv thaiv kev noj qab haus huv ntawm cov neeg siv khoom.
Industrial Quality Control
Hauv kev tswj hwm kev lag luam zoo, cov reagent no tseem ua lub luag haujlwm tseem ceeb. Nws yog siv los saib xyuas qhov concentration ntawm cobalt thiab cadmium hauv cov txheej txheem kev lag luam thiab cov khoom kawg. Cov ntsiab lus ntawm ob lub ntsiab lus ncaj qha cuam tshuam rau kev ua haujlwm thiab kev ua haujlwm zoo ntawm cov khoom lag luam; Nyob rau tib lub sijhawm, kev saib xyuas zoo ntawm lawv cov concentration hauv cov txheej txheem ntws pab txhim kho cov txheej txheem ntau lawm, ua tiav cov txheej txheem nruj, thiab xyuas kom muaj kev ruaj ntseg thiab tsim nyog tus nqi ntawm cov khoom kawg.
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Kev tshawb fawb thiab kev loj hlob
Vim nws cov khoom siv tshuaj lom neeg,4-(5-chloro-2-pyridylazo)-1,3-phenylenediaminefeem ntau siv rau hauv kev tshawb fawb tshawb fawb los kawm txog kev sib cuam tshuam ntawm ligands thiab hlau ions, nrog rau kev txhim kho cov txheej txheem tshiab rau kev txiav txim siab ntawm cov kab hlau.
Kev sib cuam tshuam ntawm Ligands thiab Hlau Ions
5-Cl-PADAB tuaj yeem ua raws li ligand, khi rau cov hlau ions los ntawm nws cov azo (-N=N-) thiab pyridyl ({8}}C5H4N-) pawg. Cov kev sib cuam tshuam no yog qhov tseem ceeb hauv kev nkag siab txog kev sib koom ua ke ntawm cov hlau ions, uas cuam tshuam txog kev tsim cov hlau-ligand bonds. Los ntawm kev kawm cov kev sib cuam tshuam no, cov neeg tshawb nrhiav tuaj yeem nkag siab txog:
Stability tsis tu ncua: Kev txiav txim siab lub zog ntawm cov hlau -ligand bonds thiab kev ruaj ntseg ntawm cov khoom ua haujlwm.
Structure thiab Geometry: Nkag siab txog qhov sib txawv ntawm cov ligand nyob ib ncig ntawm cov hlau ion thiab tag nrho cov qauv ntawm cov complex.
Spectroscopic Properties: Tshawb xyuas qhov nqus thiab emission zog ntawm cov hlau -ligand complexes, uas tuaj yeem muab cov ntaub ntawv hais txog cov qauv hluav taws xob thiab cov khoom sib txuas.
Kev txhim kho ntawm Txoj Kev Ntsuas Tshiab
5-Cl-PADAB qhov rhiab heev thiab kev xaiv ntawm qee cov hlau ions ua rau nws yog ib tus neeg sib tw zoo tshaj plaws rau kev txhim kho cov txheej txheem tshiab rau kev txiav txim siab hlau. Cov txheej txheem no tuaj yeem suav nrog:
Spectrophotometric Methods
Siv cov xim hloov thaum tsim complex kom muaj nuj nqis hlau ions hauv kev daws. Qhov kev siv ntawm cov xim yog proportional rau qhov concentration ntawm cov hlau ion, tso cai rau kom muaj nuj nqis tsom xam.
Cov txheej txheem Chromatographic
Kev koom ua ke 5-Cl-PADAB ua tus neeg sawv cev derivative los txhim kho kev tshawb pom cov hlau ions hauv chromatographic sib cais. Qhov no tuaj yeem txhim kho qhov rhiab heev thiab kev xaiv ntawm cov txheej txheem chromatographic.
Kev txhim kho Sensor
Ua haujlwm 5-Cl-PADAB hauv kev tsim cov khoom siv kho qhov muag rau cov hlau ions. Cov sensors tuaj yeem muab sijhawm saib xyuas ntawm cov hlau ion concentrations hauv ntau qhov chaw.
Kev saib xyuas ib puag ncig
Hauv kev saib xyuas ib puag ncig, qhov sib xyaw no tuaj yeem siv los txheeb xyuas thiab ntsuas cov hlau hnyav hauv dej, av, thiab cov qauv huab cua. Lub xub ntiag ntawm cov hlau hnyav hauv ib puag ncig tuaj yeem muaj kev cuam tshuam tsis zoo rau ecosystems thiab tib neeg kev noj qab haus huv, yog li lawv qhov kev txiav txim siab yog qhov tseem ceeb rau kev tiv thaiv ib puag ncig.
Environmental Implications of Heavy Metals
Cov hlau hnyav xws li cobalt thiab cadmium tuaj yeem nkag mus rau ib puag ncig los ntawm ntau qhov chaw anthropogenic thiab ntuj, suav nrog kev lag luam emissions (xws li cov pa khib nyiab thiab cov dej khib nyiab los ntawm smelting, electroplating thiab chemical industries), kev ua liaj ua teb (nqa cov hlau hnyav los ntawm cov tshuaj tua kab, chiv thiab dej phwj), cov khoom pov tseg tsis zoo (0} thiab cov txheej txheem hlau hnyav. (zoo li pob zeb huab cua thiab kev ua haujlwm volcanic). Lawv qhov muaj nyob tsis tu ncua hauv dej, av, thiab huab cua tuaj yeem ua rau ntev - cuam tshuam rau ecosystems thiab tib neeg kev noj qab haus huv, nrog rau cov kev cuam tshuam tshwj xeeb suav nrog cov hauv qab no:
Kev Tiv Thaiv Dej: Cov hlau hnyav xws li cobalt thiab cadmium hauv cov dej saum npoo av thiab dej hauv av yog qhov nyuaj rau degrade ib txwm muaj thiab tuaj yeem yooj yim sib sau hauv cov kab mob hauv dej (xws li ntses, plhaub ntses thiab algae) los ntawm bioaccumulation. Raws li cov kab mob no nkag mus rau hauv cov khoom noj khoom haus, cov hlau hnyav yuav maj mam nce qib siab dua trophic, thaum kawg ua rau muaj kev phom sij loj rau tib neeg cov neeg siv khoom noj.
Av Pollution: Thaum cov hlau hnyav nkag mus rau hauv av, lawv tuaj yeem khi rau cov av thiab nyob mus ntev, ua rau cov av degradation. Cov av tsis huv tuaj yeem ua rau kev nqus thiab sib sau ntawm cov hlau hnyav los ntawm cov qoob loo thiab lwm yam nroj tsuag; Cov hlau hnyav no tsis tuaj yeem metabolized los ntawm cov nroj tsuag thiab yuav nyob twj ywm hauv cov khoom noj, uas tuaj yeem noj tau los ntawm tib neeg thiab tsiaj txhu, cuam tshuam rau lawv lub cev noj qab haus huv.
Cua Zoo: Cov hlau hnyav tso tawm rau hauv huab cua (feem ntau nyob rau hauv daim ntawv ntawm cov teeb meem) los ntawm kev lag luam emissions thiab lwm qhov chaw tuaj yeem ntab hauv qhov chaw mus ntev. Lawv tuaj yeem nqus tau ncaj qha los ntawm tib neeg thiab tsiaj txhu, ua rau muaj kev puas tsuaj rau lub ntsws, lossis tso rau ntawm cov av thiab cov nroj tsuag, ua rau muaj kev ua qias tuaj ib puag ncig thiab ua rau muaj kev phom sij ntev txog kev noj qab haus huv.
Lub luag haujlwm ntawm 5-Cl-PADAB hauv Environmental Monitoring
5-Cl-PADAB yog ib qho kev txhim khu kev qha colorimetric reagent rau kev txiav txim siab ntawm cobalt thiab cadmium hauv ib puag ncig cov qauv vim nws cov kev xaiv siab thiab rhiab heev. Cov txheej txheem muaj xws li:
Qauv Sau: Sau cov dej, av, lossis cov qauv huab cua los ntawm ib puag ncig.
Kev npaj ua qauv: Npaj cov qauv rau kev soj ntsuam los ntawm kev sib cais lossis rho tawm cov hlau hnyav yog tias tsim nyog.
Reagent Ntxiv: Ntxiv ib qho kev paub txog ntawm 5-Cl-PADAB rau cov qauv.
Kev Tsim Nyog: Tso cai rau cov reagent kom hnov mob nrog cov hlau hnyav ions los ua cov xim sib txawv.
Kev ntsuas Spectrophotometric: Ntsuas cov xim siv ntawm cov tshuaj ntawm ib lub wavelength tshwj xeeb siv lub spectrophotometer.
Concentration xam: Sib piv cov ntsuas ntsuas nrog lub ntsuas ntsuas ntsuas kom ntsuas qhov concentration ntawm cobalt thiab cadmium hauv cov qauv.
4-(5-Chloro-2-pyridylazo)-1,3-phenylenediamine, feem ntau abbreviated li Cl-PADA, yog ib tug ntau yam tshuaj compound uas muaj nyob rau hauv chav kawm azo dye. Nws yog tus cwj pwm los ntawm nws cov qauv molecular tshwj xeeb, uas suav nrog ob lub nplhaib pyridyl hloov nrog cov tshuaj chlorine atom thiab phenylenediamine moiety txuas los ntawm azo (-N=N-) choj. Qhov kev npaj tshwj xeeb no sib xyaw cov khoom sib txawv thiab kev siv hauv ntau yam.
Chemically, Cl-PADA nthuav tawm xim liab tsaus rau violet tsos, nyob ntawm nws lub xeev thiab kev xav. Nws yog soluble hauv cov kuab tshuaj organic xws li ethanol thiab dimethylformamide, ua rau nws tsim nyog siv rau hauv kev daws teeb meem -raws li cov tshuaj tiv thaiv thiab cov txheej txheem tshuaj xyuas. Lub xub ntiag ntawm pawg azo yog qhov tseem ceeb rau nws cov xim - tsim muaj peev xwm, pab txhawb rau nws cov khoom siv hauv kev dyeing thiab staining daim ntaub ntawv.
Hauv kev tshuaj ntsuam chemistry, Cl-PADA pom daim ntawv thov ua tus neeg sawv cev rhiab thiab xaiv chelating rau cov hlau ions, tshwj xeeb yog cov nickel, cobalt, thiab tooj liab. Nws lub peev xwm los tsim cov xim pleev xim nrog cov hlau no tso cai rau lawv qhov kev txiav txim siab ntau los ntawm txoj kev spectrophotometric. Qhov kev txheeb xyuas qhov tseem ceeb no tshwm sim los ntawm qhov sib xyaw ua ke siab molar absorptivity thiab ruaj khov ntawm cov hlau tsim-ligand complexes.
Ntxiv mus, Cl-PADA lub reactivity thiab spectral zog ua rau nws yog ib qho tseem ceeb cuab tam nyob rau hauv txoj kev tshawb no ntawm hlau ion speciation, kinetic kev tshawb nrhiav, thiab ib puag ncig saib xyuas, qhov twg trace hlau ntes yog qhov tseem ceeb. Nws siv nyob rau hauv cov ntsiab lus no underscores nws tseem ceeb nyob rau hauv kev ua kom peb to taub thiab kev tswj ntawm hlau paug nyob rau hauv tej yam ntuj tso thiab engineered systems.
Hauv cov ntsiab lus,4-(5-Chloro-2-pyridylazo)-1,3-phenylenediamineyog ib qho zoo kawg nkaus azo dye nrog ntau yam kev siv hauv paus hauv nws cov qauv tshuaj lom neeg thiab cov khoom. Nws lub peev xwm los tsim kev ruaj khov, xim complexes nrog cov hlau ions tshwj xeeb tau tsim nws los ua lub hauv paus hauv kev tshuaj ntsuam chemistry, pab txhawb kev nce qib hauv kev tshawb fawb ib puag ncig, khoom siv science, thiab tshaj.
Xyoo 1872, Graebe, Fittig, thiab Ostermayer thawj zaug cais Phenanthrene los ntawm thee tar. Fittig&Ostermayer oxidized phenanthrene nrog chromic acid kom tau ib dicarboxylic acid - qhov no yog thawj zaug uas tib neeg tau txais Diphenic Acid (tsis muaj npe nyob rau lub sijhawm). Qhov kev tshawb pom ntawm DA raws li cov khoom lag luam ntawm phenanthrene oxidation ncaj qha ua pov thawj tias phenanthrene muaj cov qauv angular tricyclic, es tsis yog linear (anthracene hom) qauv.
Xyoo 1879, Bodewig tau ua thawj zaug siv lead ua morphology kawm ntawm Diphenic Acid, txiav txim siab nws cov monoclinic siv lead ua kom raug thiab ntsuas qhov sib piv ntawm cov siv lead ua axis thiab beta lub kaum sab xis (nrog qhov tseeb ntawm li 1%).
Xyoo 1902, Vorl ä nder&Meyer tau luam tawm ib daim ntawv ua ke ntawm Diphenic Acid nyob rau hauv daim ntawv ntawm cov khoom lag luam thawj zaug.
Txoj kev: ortho aminobenzoic acid → diazotization → cuprammonium sulfite txo coupling → 2,2 '- biphenyldicarboxylic acid. Thawj zaug, nws raug xa mus rau o, o '- Bibenzoic Acid.
Tom qab xyoo 1910, cov ntawv nyeem maj mam sib sau ua ke thiab muab nws lub npe hu ua Diphenic Acid; IUPAC lub npe: [1,1 '- Biphenyl] -2,2' - dicarboxylic acid.
Xyoo 1917, AW Schorger systematically kawm txog kev npaj ntawm DA los ntawm oxidation ntawm phenanthrene: kev pom zoo: alkaline KMnO ₄ rhuab oxidation ntawm phenanthrene → phenanthrenequinone → DA, yield 60-70%. Pw lub hauv paus rau kev lag luam oxidation ntawm phenanthrene.
Xyoo 1925, Roberts&Johnson tau tshaj tawm tias phenanthrenequinone + CrO3 / H ₂ SO ₄ → DA muaj cov txiaj ntsig ntawm 75%, mob me, thiab kev xaiv siab.
Nyob rau hauv 1929, Hurtley pioneered Ullmann hom hlau catalytic coupling txoj kev: potassium orthobromobenzoate + Cu hmoov cua sov → potassium biphenyldicarboxylate → acidification → DA. Nta: tsis muaj diazotization, tsis muaj kev pheej hmoo tawg, thiab cov khoom siv ruaj khov.
Xyoo 1931, Clark&Pickett tau kawm DA crystals siv X-ray diffraction thiab yuam kev tias lawv yog orthorhombic (tom qab kho).
Xyoo 1941, Atkinson&Lawler tau koom nrog Vorl ä nder Meyer diazotization tooj liab ammonia txo txoj hauv kev hauv Organic Synthases (Org. Synth.) raws li tus qauv kev sim npaj rau DA, uas tau siv los txog niaj hnub no.
FAQ
Lwm lub npe rau phenylenediamine yog dab tsi?
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Synonyms: 4-Phenylenediamine puag; p-Diaminobenzene; Pelagol D; Lub raum PF; Futramine D; Plaub Dub 41866; CI Developer 12; Tus tsim tawm PF; PPD; Peltol D; BASF Ursol D; Tertral D; 4-Aminoaniline; 1,4-Diaminobenzene; Phenyhydrazine; 1,4-Benzenediamine; 1,4-Phenylenediamine; CI
Dab tsi yog 1 2-phenylenediamine siv rau?
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1,2-phenylenediamine zoo li tsis muaj xim monoclinic crystals yog tias ntshiab; technical qib brownish-daj crystals los yog ib tug sandy xim av khoom. Siv hauvtsim cov dyes, yees duab, organic synthesis.
Dab tsi yog meta phenylenediamine siv rau?
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m-Phenylenediamine yog sivnyob rau hauv kev npaj ntawm ntau yam polymers xws li aramid fibers, epoxy resins, hlau enamel txheej thiab polyurea elastomers. Lwm yam kev siv rau m-phenylenediamine suav nrog ua ib qho accelerator rau cov nplaum resins, thiab ua ib feem ntawm dyes rau tawv thiab textiles.
Dab tsi yog qhov kev pheej hmoo ntawm kev noj qab haus huv cuam tshuam nrog phenylenediamine?
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Kev mob (luv-lub sij hawm) raug rau p-phenylenediamine siab yuav ua raumob hnyav dermatitis, qhov muag khaus thiab tearing, hawb pob, gastritis, raum tsis ua hauj lwm, vertigo, tshee, convulsions, thiab comanyob rau hauv tib neeg. Eczematoid contact dermatitis tuaj yeem tshwm sim los ntawm qhov ntev (ntev-) raug rau tib neeg.
Cim npe nrov: 4-(5-chloro-2-pyridylazo)-1,3-phenylenediamine cas 33006-91-6, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom