L-Glutamic Acid
L-Glutamic Acid
| Ponahalo | Phofo e tšoeu ho isa ho e tšoeu |
| Phetoho e Khethehileng[α]20/D | +31,5 ° ~ +32,5 ° |
| Chloride(CL) | ≤0.02% |
| Sulpbate (SO42-） | ≤0.02% |
| Tshipi (Fe) | ≤10ppm |
| Mesaletsa ha e tuka | ≤0.1% |
| Metako e boima (Pb) | ≤10ppm |
| Tlhahlobo | 98.5%~101.5% |
| Tahlehelo ka ho omisa | ≤0.1% |
| litšila tsa motho ka mong | ≤0.5% |
| ho se hloeke ho felletseng | ≤2.0% |
Ponahalo: Phofo e tšoeu ho isa ho e tšoeu
Boleng ba Sehlahisoa bo kopana: AJI92, EP8, USP38 litekanyetso.
Boemo ba setoko: Hangata boloka 10,000KGs setokong.
Kopo: e sebelisoa haholo ho li-additives tsa lijo, lipakeng tsa meriana, le tšimo ea setso sa lisele.
Pakete: 25kg / barrel/ Mokotla
Nomoro ea MDL: mfcd00002634
Nomoro ea RTECS: lz9700000
Nomoro ea BRN: 1723801
Nomoro ea PubChem: 24901609
1. Sebopeho: L-glutamate, L-glutamic acid, ke kristale e tšoeu kapa e se nang 'mala ea squamous, e leng acidic hanyenyane.'Mele oa racemic, DL glutamate, ke kristale e se nang mebala.
2. segokanyipalo (g/ml, 25/4 ℃): racemization: 1.4601;ho potoloha ka ho le letona le ho le letšehali: 1.538
3. sekhahla sa mouoane se lekanyelitsoeng (g/ml, moea =1): ha se tsejoe
4. sebaka se qhibilihang (OC): 160
5. ntlha e belang (OC, khatello ea sepakapaka): e sa ikemisetsa
6. ntlha e belang (OC, 5.2kpa): e sa ikemisetsa
7. refractive index: ha e ikemisetsa
8. flash point (OC): ha e tsejoe
9. ho khetheha ho potoloha photometric (o): [α] d22.4 + 31.4 ° (C = 1.6mol / l hydrochloric acid)
10. sebaka sa ho besa kapa mocheso o tukang (OC): ha o tsejoe
11. khatello ea mouoane (kPa, 25 ° C): ha e ikemiselitse
12. khatello e matla ea mouoane (kPa, 60 ° C): ha e ikemiselitse
13. mocheso o tukang (kj/mol): ha o tsejoe
14. mocheso o matla (OC): ha o tsejoe
15. khatello e matla (kPa): ha e ikemiselitse
16. boleng ba coefficient ea kabo ea oli le metsi (octanol / metsi): ha e tsejoe
17. moeli oa ho phatloha ka holimo (%, v / v): ha o tsejoe
18. moeli o tlase oa ho phatloha (%, v/v): ha o tsejoe
19. Solubility: Racemic e qhibiliha hanyenyane metsing a batang, ho bonolo ho qhibiliha metsing a chesang, hoo e batlang e sa qhibilihe ka ether, ethanol le acetone, ha 'mele oa racemic o qhibiliha hanyenyane ka ethanol, ether le petroleum ether.
1. Chefo e matla: tdlo ea molomo oa motho: 71mg / kg;motho intravenous tdlo: 117mg / kg;rat oral LD50> 30000 mg / kg;mmutla ka molomo LD50: > 2300mg / kg
2.Mutagenicity: Sistimi ea tlhahlobo ea phapanyetsano ea chromatid: li-lymphocyte tsa motho: 10mg / L
Boemo ba kotsi ea metsi 1 (Molao oa Jeremane) (boitlhahlobo ka lethathamo) ntho ena e kotsi hanyane metsing.
Se ke oa lumella lihlahisoa tse sa tsitsang kapa tse ngata ho kopana le metsi a ka tlas'a lefatše, litsela tsa metsi kapa tsamaiso ea likhoerekhoere.
Se ke oa ntša thepa tikolohong e potolohileng ntle le tumello ea mmuso.
1. Molar refractive index: 31.83
2. Molumo oa Molar (cm3 / mol): 104.3
3. Molumo o khethehileng oa Isotonic (90.2k): 301.0
4. Khatello ea sefahleho (dyne / cm): 69.2
5. Polarizability (10-24cm3): 12.62
1. Sehlahisoa sena ha se chefo.
2. Ha e na monko, tatso e khethehileng hanyenyane le tatso e bolila.
3.E teng koae le mosi.
1. Sehlahisoa sena se lokela ho koaloa le ho bolokoa sebakeng se pholileng le se lefifi.
2. E phuthetsoe ka mekotleng ea polasetiki, e koahetsoeng ka mekotla ea nylon kapa mekotla e lohiloeng ea polasetiki, boima ba nete ba 25kg.Nakong ea polokelo le lipalangoang, tlhokomelo e lokela ho lefshoa ho bopaki ba mongobo, tšireletso ea letsatsi le ho boloka mocheso o tlaase.
1. L-glutamic acid e sebelisoa haholo-holo ha ho etsoa monosodium glutamate, monko o monate, sebaka sa letsoai, tlatsetso ea phepo e nepahetseng le reagent ea biochemical.L-glutamic acid ka boeona e ka sebelisoa e le sethethefatsi ho nka karolo ho metabolism ea protheine le tsoekere bokong le ho khothaletsa ts'ebetso ea oxidation.Sehlahisoa se kopana le ammonia ho kopanya glutamine e seng chefo 'meleng ho fokotsa ammonia ea mali le ho fokotsa matšoao a lefu la sebete.E sebelisoa haholo-holo ho phekola lefu la hepatic coma le ho se sebetse ho matla ha sebete, empa phello ea phekolo ha e khotsofatse haholo;e kopantsoe le lithethefatsi tse thibelang lefu la sethoathoa, e ka boela ea alafa ho tsietsana ha lintho tse nyenyane le ho tsieleha ha kelello.Racemic glutamic acid e sebelisoa ho hlahisa lithethefatsi le li-reagents tsa biochemical.
2. Hangata ha e sebelisoe e le mong, empa e kopantsoe le phenolic le quinone antioxidants ho fumana phello e ntle ea synergistic.
3. Asiti ea Glutamic e sebelisoa e le ntho e rarahaneng bakeng sa plating e se nang motlakase.
4. E sebelisoa k'hemisteng, ho eketsa lijo le ho matlafatsa lijo;
5. E sebelisoa liphuputsong tsa lik'hemik'hale, meriana e sebelisoang ka har'a sebete, ho thibela lefu la sethoathoa, ho fokotsa ketonuria le ketinemia;
6. Sehlahisoa sa letsoai, motsoako oa phepo e nepahetseng le setlolo sa tatso (haholo-holo se sebelisetsoa nama, sopho le likhoho).E ka boela ea sebelisoa ho thibela crystallization ea magnesium ammonium phosphate ho li-shrimps tse entsoeng ka makotikoting, makhala le lihlahisoa tse ling tsa metsing ka tekanyo ea 0.3% ~ 1.6%.E ka sebelisoa e le setlolo ho latela GB 2760-96;
Sodium glutamate, e leng e 'ngoe ea matsoai a eona a sodium, e sebelisoa e le senoko, 'me lihlahisoa tsa eona li kenyelletsa monosodium glutamate le monosodium glutamate.
Nka sampole ea 150mg, eketsa 4ml ea metsi le LML sodium hydroxide test solution (ts-224), qhala, eketsa LML ninhydrin test solution (TS-250) le 100mg sodium acetate, le mocheso ka bateng ea metsi a belang bakeng sa 10min ho hlahisa 'mala oa violet.
Nka sampole ea 1g, eketsa 9ml ea metsi ho lokisa ho fanyeha, e futhumale butle ka bateng ea mouoane 'me u tsose ho fihlela e qhibiliha ka ho feletseng, eketsa 6.8ml lmol/l hydrochloric acid solution ho emisa hape,' me u kenye 6.8ml lmol/l sodium hydroxide solution ho qhibiliha. glutamate ka botlalo ka mora ho sisinyeha.
Mokhoa oa 1: lekanya sampuli ea 0.2g ka nepo, qhala ka 3ml formic acid, eketsa 50ml glacial acetic acid le marotholi a 2 a crystal violet test solution (ts-74), titrate le 0.1mol / l perchloric acid solution ho fihlela 'mala o motala kapa o moputsoa o nyamela. .Mokhoa o tšoanang o ile oa sebelisoa bakeng sa tlhahlobo e se nang letho.ml e 'ngoe le e' ngoe ea 0.1mol / l ea tharollo ea perchloric acid e lekana le 14.71mg ea L-glutamic acid (C5H9NO4).
Mokhoa oa 2: lekanya sampuli ea 500mg ka nepo, e qhibilihe ka metsing a 250mi, eketsa marotholi a 'maloa a bromothymol blue test solution (ts-56), le titrate e nang le 0.1mol / l sodium hydroxide tharollo ho ntlha ea ho qetela e putsoa.E 'ngoe le e' ngoe ea ml ea tharollo ea 0.lmol / l NaOH e lekana le 14.7mg ea L-glutamic acid (c5h9n04).
FAO / who (1984): moro le sopho bakeng sa lijo tse bonolo, 10g / kg.
FEMA (mg / kg): seno, thepa e halikiloeng, nama, boroso, moro, lebese le lihlahisoa tsa lebese, linoko, lihlahisoa tsa lijo-thollo, tsohle 400mg / kg.
FDA, 172.320 (2000): e le tlatsetso ea phepo e nepahetseng, moeli ke 12.4% (ho itšetlehile ka boima ba protheine eohle ea lijo).
Letšoao la thepa e kotsi: F e ka cha
Letšoao la polokeho: s24/25
Boitsebiso ba kotsi: r36/37/38 [1]
Letšoao la lintho tse kotsi Xi
Sehlopha sa kotsi khoutu 36/37/38
Litaelo tsa polokeho 24/25-36-26
Wgk Jeremane 2rtec lz9700000
F 10
Customs code 29224200
Bohloeki: >99.0% (T)
Kereiti: gr
Nomoro ea MDL: mfcd00002634
