EDTA (CAS 60-00-4) yog dab tsi? Daim Ntawv Qhia Kev Siv Hluav Taws Xob

Sau los ntawm:ALEN, Chemical Engineer, MOSINTER|15 xyoo nyob rau hauv vitamin manufacturing thiab kws APIs

 

Ob lub lis piam dhau los, tus kws tshuaj ntsuam xyuas los ntawm lub tuam txhab tshuaj European tau mus txog nrog cov lus nug ceev: "Peb tau sim peb EDTA cov qauv, thiab cov chelation efficiency txawv ntawm 23%. Peb yuav ua li cas thiaj paub tseeb batch-rau-batch sib xws?"Qhov xwm txheej no muaj ntau dua li cov neeg muag khoom feem ntau lees paub. Qhov kev hloov pauv feem ntau rov qab mus rau qib purity, cov qauv siv lead ua, thiab cov txheej txheem tsim khoom.

EDTA (Ethylenediaminetetraacetic acid, CAS 60-00-4) yog hexadentate chelating tus neeg sawv cev nrog cov mis mos molecular C₁₀H₁₆N₂O₈.Cov hmoov dawb crystalline no khi hlau ions ntawm rau qhov chaw sib koom ua ke, tsim cov dej ruaj khov zoo kawg nkaus - cov dej soluble complexes txawm nyob nruab nrab pH. Txhua xyoo kev tsim khoom thoob ntiaj teb tshaj li 80,000 metric tons, nrog rau kev siv dav siv hauv kev kho dej, tshuaj, kev txuag zaub mov, thiab kev xa khoom noj micronutrient.

Tom qab siv 15 xyoo tsim nrog cov neeg ua haujlwm chelating ntawm MOSINTER, Kuv tau pom ua ntej yuav ua li cas hloov pauv qhov zoo sib txawv txhais mus rau qhov kev ua haujlwm tseem ceeb hauv qab. Phau ntawv qhia no suav nrog cov tswv yim pom zoo los ntawm peb cov khoom hauv pem teb thiab kev tswj xyuas qhov zoo.

Hauv Phau Ntawv Qhia no:

1. EDTA Chemical Properties & Technical Specifications 2. Yuav Ua Li Cas EDTA Chelation Ua Haujlwm: Kev Tshawb Fawb Tom Qab Hlau Binding 3. Cov Kev Siv Tseem Ceeb ntawm EDTA 4. Yuav Ua Li Cas Xaiv EDTA Qib Zoo rau Koj Daim Ntawv Thov 5. Cov Txheej Txheem Zoo 6. Cov Lus Nug Nug

1. Cov khoom siv tshuaj lom neeg ntawm EDTA yog dab tsi?

Pawg neeg yuav khoom nquag nug: "Qhov tshwj xeeb twg peb yuav tsum xyuas ua ntej lees txais cov khoom xa tuaj?" Cov lus teb yog nyob ntawm koj daim ntawv thov kawg, tab sis qee qhov kev txwv tseem tsis yog - sib tham tau thoob plaws kev lag luam.

EDTA nthuav tawm qhov melting point ntawm 250℃(nrog decomposition), ceev ntawm 1.46 g / cm³ ntawm 20 degree, thiab txwv dej solubility ntawm kwv yees li 0.4 g / L ntawm chav tsev kub. Lub compound nthuav tawm raws li dawb mus rau yuav luag dawb crystalline hmoov nyob rau hauv cov txheej txheem.

Raws li covNIST Chemistry WebBook, EDTA nqa IUPAC Standard InChI: 1S / C10H16N2O8. Plaub pawg carboxylic acid muaj pKa qhov tseem ceeb ntawm 0, 1.5, 2, thiab 2.66, thaum ob pawg amino pawg deprotonate ntawm pKa 6.16 thiab 10.24. Qhov pH no-dependent ionization tus cwj pwm ncaj qha cuam tshuam chelation efficiency nyob rau hauv ntau qhov chaw thov.

Table 1: EDTA Technical Specifications (MOSINTER Product Data)

2. EDTA Chelation ua haujlwm li cas?

Dab tsi feem ntau cov neeg muag khoom yuav tsis qhia koj yog vim li cas chelation kev ua tau zoo sib txawv ntawm cov qib EDTA zoo ib yam. Lub mechanism nws tus kheej yog elegant:EDTA ua haujlwm raws li hexadentate ligand, sib koom tes los ntawm ob lub nitrogen atoms thiab plaub carboxylate oxygen atoms los qhwv ib ncig ntawm cov hlau ions zoo li molecular claw.

Kev tshawb fawb luam tawm hauvKev tshawb nrhiav kev hloov pauvlees paub tias EDTA ua kom pom muaj zog chelating muaj peev xwm rau cov hlau hnyav, tshwj xeeb tshaj yog cov hlau lead (Pb), cadmium (Cd), tooj liab (Cu), thiab zinc (Zn). Qhov kev ruaj ntseg tsis tu ncua (log K) rau cov hlau no -EDTA complexes feem ntau yog li ntawm 16 txog 25, qhia tias muaj kev ruaj khov tshwj xeeb.

Hauv cov ntsiab lus ua tau zoo, thaum EDTA ntsib cov hlau ions hauv kev daws teeb meem, nws tso tawm protons thaum tib lub sij hawm qhwv ib ncig ntawm lub chaw hlau. Cov tshuaj tiv thaiv tuaj yeem sawv cev raws li:

[Fe(H₂O)₆]³⁺ + H₄EDTA ⇌ [Fe(EDTA)]⁻ + 6H₂O + 4H⁺ (Keq=10²⁵·¹)

Qhov sib npaug no qhia tau hais tias cov hlau ions sib tw nrog cov protons rau EDTA binding- uas piav qhia vim li cas pH optimization yog qhov tseem ceeb hauv kev lag luam. Hauv qab pH 4, chelation efficiency poob qis heev thaum protonation dominates.

3. Dab tsi yog Daim Ntawv Thov Kev Lag Luam Tseem Ceeb ntawm EDTA?

Thaum xyoo 2024, peb pab neeg muab kev pabcuam neeg siv khoom tau nkag mus tshaj 340 cov lus nug txog kev siv EDTA. Sab saum toj peb lo lus nug? Yuav ua li cas optimize ntau npaum rau kev kho dej, compatibility nrog tshuaj excipients, thiab micronutrient xa efficiency nyob rau hauv chiv.

EDTA ua haujlwm tseem ceeb hauv tsib qhov haujlwm loj: kev kho dej (txo hardness thiab hnyav hlau tshem tawm), kev tsim tshuaj (tshuaj stabilization thiab chelation therapy), kev txuag zaub mov (hlau{0}}catalyzed oxidation tiv thaiv), kev ua liaj ua teb (micronutrient carriers), thiab tshuaj pleev ib ce (cov khoom ruaj khov).

Table 2: EDTA Daim Ntawv Thov thiab Cov Lus Qhia Kom Noj

Raws liFDA cov cai (21 CFR 172.120), calcium disodium EDTA tau pom zoo siv rau hauv cov khoom noj xws li mayonnaise, zaub xam lav hnav khaub ncaws, zaub hauv kaus poom, thiab cov dej qab zib ntawm qib siab tshaj plaws. Txoj cai lees txais no qhia txog kaum xyoo ntawm cov ntaub ntawv kev nyab xeeb thiab kev siv dav hauv kev lag luam.

4. Yuav Ua Li Cas Xaiv Cov Qib Zoo EDTA?

Nov yog qee yam kev lag luam tsis tshua muaj kev sib tham qhib: qib EDTA koj yuav khoom kho dej yuav tsum tsis txhob siv rau hauv kev siv tshuaj-txawm tias qhov kev ntsuam xyuas qhia tau 99%+ purity. Vim li cas? Kev txwv tsis pub hnyav hlau sib txawv los ntawm qhov kev txiav txim ntawm qhov loj ntawm qib kev kawm thiab qib tshuaj.

Qib EDTA txoj cai yog nyob ntawm peb yam: koj daim ntawv thov cov cai tswj hwm, qhov siab tshaj plaws ntawm cov hlau tsis huv, thiab cov txheej txheem sib raug (pH, kub, thiab lwm yam reactants).

Table 3: EDTA Qib Sib Piv

5. Yam Kev Ntsuas Zoo Koj Yuav Tsum Tau Paub Txog?

Hauv kuv qhov kev soj ntsuam xyuas cov ntawv pov thawj ntawm kev soj ntsuam, kwv yees li 30% tsis suav nrog cov ntsiab lus tseem ceeb xws li cov ntsiab lus chloride lossis NTA (nitrilotriacetic acid) impurity theem. Cov omissions no tuaj yeem npog qhov teeb meem zoo uas tshwm sim thaum tsim khoom.

Txhua cov khoom xa tuaj EDTA yuav tsum raug txheeb xyuas rau: cov ntsiab lus ntsuas (titration), ya raws / poob ntawm kev ziab, cov hlau hnyav (Pb, Cd, Hg), chloride thiab sulfate cov ntsiab lus, NTA impurity, thiab cov tsos zoo sib xws.

MOSINTER tuav lub peev xwm ntau tshaj 50,000 MT txhua xyoo thoob plaws peb cov chaw tsim khoom hauv Suav teb. Peb cov txheej txheem QC sab hauv suav nrog HPLC pov thawj rau txhua pawg tsim khoom, nrog cov ntawv pov thawj ntawm kev tshuaj xyuas muaj rau cov neeg siv khoom pov thawj. Rau cov khoom specifications thiab cov ntaub ntawv, mus saib pebEDTA khoom page.

Related chelating agents los ntawm MOSINTER:DTPA (Diethylenetriaminepentaacetic acid).) | NTA (Nitrilotriacetic acid) | EDTA Salts (Na₂EDTA, Na₄EDTA)

6. Cov lus nug nquag nug txog EDTA

Puas yog EDTA biodegradable?

EDTA pom tau tias tsis muaj biodegradability raws li tus qauv, uas tau tsa ib puag ncig kev xav. Raws li kev tshawb fawb soj ntsuam los ntawm EPA, EDTA tseem nyob hauv cov dej ib puag ncig tab sis pom tias muaj tsawg kawg nkaus bioaccumulation. Lwm cov kev xaiv xws li EDDS (ethylenediamine-N, N'-disuccinic acid) muab kev txhim kho biodegradability rau ib puag ncig rhiab daim ntaub ntawv.

Dab tsi yog qhov txawv ntawm EDTA acid thiab EDTA ntsev?

EDTA acid (cov ntsiab lus ntawm tsab xov xwm no) muaj cov dej solubility tsawg. EDTA ntsev-disodium EDTA (Na₂EDTA), tetrasodium EDTA (Na₄EDTA), thiab calcium disodium EDTA- muab cov dej solubility ntau dua. Qhov kev xaiv nyob ntawm koj daim ntawv thov pH cov cai thiab kev xav tau ntawm kev sib cais.

Puas yog EDTA muaj kev nyab xeeb rau daim ntawv thov zaub mov?

Yog lawm. Calcium disodium EDTA (E385) tau pom zoo los ntawm ob qho tib siFDAthiabEFSArau kev siv zaub mov tsis pub dhau qhov txwv (25-800 ppm nyob ntawm cov khoom noj). Kev noj haus txhua hnub uas tsim los ntawm JECFA yog 0-2.5 mg rau ib kg lub cev qhov hnyav.

EDTA puas tuaj yeem tshem tawm cov hmoov txhuas los ntawm cov av tsis huv?

EDTA ua kom pom kev muaj peev xwm ua kom muaj zog rau cov hlau lead (Pb), ua rau nws siv tau zoo rau kev siv av. Txawm li cas los xij, nws qhov kev pheej hmoo thiab muaj peev xwm los txhawb cov hlau mus rau hauv av yuav tsum tau ua tib zoo thov cov txheej txheem. Site-kev ntsuam xyuas tshwj xeeb raug pom zoo ua ntej loj- kev siv loj.

Qhov kev txiav txim yam tsawg kawg nkaus ntawm MOSINTER yog dab tsi?

Peb tus qauv kev txiav txim yam tsawg kawg nkaus yog 10 metric tons, nrog rau ntim customizable rau cov neeg siv khoom tshwj xeeb. Peb ua raws li kev xa khoom yooj yim ntawm dej hiav txwv, huab cua, lossis av thauj nrog kev xa khoom tsis pub dhau 7 hnub txij li kev txiav txim pom zoo. Cov nqe lus them nqi suav nrog T / T thiab Western Union.

Xaus

EDTA tseem yog kev lag luam -tus qauv chelating tus neeg sawv cev rau daim ntawv thov thov kev tswj xyuas cov hlau ion txhim khu kev qha. Kev vam meej nyob ntawm kev sib piv cov qib zoo rau koj cov kev xav tau tshwj xeeb thiab txheeb xyuas qhov tsis zoo uas tseem ceeb rau koj cov txheej txheem.

Npaj los tham txog koj cov kev cai EDTA?

Hu rau MOSINTER pab pawg kws tshaj lij rau kev qhia tshwj xeeb, qauv, thiab tus nqi sib tw. Nrog 21 xyoo ntawm kev lag luam kev paub thiab 50,000 MT / xyoo tsim muaj peev xwm, peb xa zoo ib yam nrog txhim khu kev qha thoob ntiaj teb logistics.

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