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L-Glutamic Acid

L-Glutamic Acid

Apejuwe kukuru:

Orukọ ọja: L-Glutamic Acid

CAS No: 56-86-0

Ilana molikula:C5H9NO4

Òṣuwọn Molikula:147.13

 


Alaye ọja

Ayẹwo didara

ọja Tags

Awọn pato

Ifarahan Funfun si pa-funfun lulú
Yiyi pato [α] 20/D + 31,5 ° ~ + 32,5 °
Kloride (CL) ≤0.02%
Sulpbate (SO42-) ≤0.02%
Irin (Fe) ≤10ppm
Aloku lori iginisonu ≤0.1%
Irin Eru (Pb) ≤10ppm
Ayẹwo 98.5% ~ 101.5%
Pipadanu lori gbigbe ≤0.1%
aimọ kọọkan ≤0.5%
lapapọ aimọ ≤2.0%

Irisi: Funfun si pa-funfun lulú
Didara ọja pàdé: AJI92, EP8, USP38 awọn ajohunše.
Ipo Iṣura: Nigbagbogbo tọju 10,000KGs ni iṣura.
Ohun elo: o jẹ lilo pupọ ni awọn afikun ounjẹ, agbedemeji elegbogi, ati aaye aṣa sẹẹli.
Package: 25kg / agba / Apo

Eto nọmba

MDL No.: mfcd00002634
RTECS No.: lz9700000
BRN No.: 1723801
PubChem No.: 24901609

Nsatunkọ awọn ti ara ohun ini data

1. ti ohun kikọ silẹ: L-glutamate, awọn L-glutamic acid, ni a funfun tabi awọ squamous gara, eyi ti o jẹ die-die ekikan.Ara-ije, DL glutamate, jẹ kristali ti ko ni awọ.
2. iwuwo (g / ml, 25/4 ℃): racemization: 1.4601;yiyi ọtun ati osi yiyi: 1.538
3. ojulumo nya iwuwo (g / milimita, air = 1): ko pinnu
4. aaye yo (OC): 160
5. farabale ojuami (OC, atmospheric titẹ): ko pinnu
6. farabale ojuami (OC, 5.2kpa): ko pinnu
7. refractive atọka: ko pinnu
8. filasi ojuami (OC): ko pinnu
9. photometric yiyi pato (o): [α] d22.4+31.4 ° (C = 1.6mol/l hydrochloric acid)
10. iginisonu ojuami tabi iginisonu otutu (OC): ko pinnu
11. nya titẹ (kPa, 25 ° C): ko pinnu
12. po lopolopo nya titẹ (kPa, 60 ° C): ko pinnu
13. ijona ooru (kj / mol): ko pinnu
14. lominu ni otutu (OC): ko pinnu
15. lominu ni titẹ (kPa): ko pinnu
16. iye ti olùsọdipúpọ ti pinpin epo ati omi (octanol / omi): ko pinnu
17. oke bugbamu opin (%, v / v): ko pinnu
18. kekere bugbamu iye (%, v / v): ko pinnu
19. solubility: awọn racemic ni die-die tiotuka ni tutu omi, rọrun lati tu ni gbona omi, fere insoluble ni ether, ethanol ati acetone, nigba ti racemic ara ni die-die tiotuka ni ethanol, ether ati epo ether.

Toxicology Data

1. Majele ti o tobi: tdlo ẹnu eniyan: 71mg / kg;tdlo iṣan inu eniyan: 117mg / kg;eku ẹnu LD50> 30000 mg / kg;ehoro ẹnu LD50:> 2300mg / kg
2.Mutagenicity: arabinrin chromatid eto idanwo paṣipaarọ: awọn lymphocytes eniyan: 10mg / L

Data abemi

Ipele eewu omi 1 (ilana German) (iyẹwo ti ara ẹni nipasẹ atokọ) nkan yii jẹ eewu diẹ si omi.
Ma ṣe gba laaye ọja ti ko ni ilọpo tabi titobi nla lati wa si olubasọrọ pẹlu omi inu ile, awọn ọna omi tabi awọn ọna gbigbe omi.
Maṣe fi awọn ohun elo silẹ si agbegbe agbegbe laisi igbanilaaye ijọba.

Awọn data igbekalẹ molikula

1. Molar refractive Ìwé: 31.83
2. Molar iwọn didun (cm3 / mol): 104,3
3. Isotonic kan pato iwọn didun (90.2k): 301.0
4. dada ẹdọfu (dyne / cm): 69,2
5. Polarizability (10-24cm3): 12.62

Awọn ohun-ini ati iduroṣinṣin

1. Ọja yii kii ṣe majele.
2. Odorless, die-die pataki lenu ati ekan lenu.
3.It tẹlẹ ninu taba ati ẹfin.

Ọna ipamọ

1. Ọja yi yẹ ki o wa ni edidi ati ki o tọju ni itura ati ibi dudu.
2. Ti kojọpọ ninu awọn baagi ṣiṣu, ti a bo pẹlu awọn baagi ọra tabi awọn baagi ṣiṣu ṣiṣu, iwuwo apapọ 25kg.Ninu ilana ti ipamọ ati gbigbe, akiyesi yẹ ki o san si ẹri-ọrinrin, aabo oorun ati ibi ipamọ otutu kekere.

Ohun elo

1. L-glutamic acid jẹ lilo akọkọ ni iṣelọpọ ti monosodium glutamate, lofinda, aropo iyọ, afikun ijẹẹmu ati reagent biokemika.L-glutamic acid funrararẹ le ṣee lo bi oogun kan lati ṣe alabapin ninu iṣelọpọ ti amuaradagba ati suga ninu ọpọlọ ati igbelaruge ilana ifoyina.Ọja naa darapọ pẹlu amonia lati ṣajọpọ glutamine ti ko ni majele ninu ara lati dinku amonia ẹjẹ ati dinku awọn aami aiṣan ti coma ẹdọ.O ti wa ni o kun lo ninu awọn itọju ti ẹdọ-ẹdọ coma ati ki o àìdá ẹdọforo ailagbara, ṣugbọn awọn alumoni ipa ni ko gan itelorun;Ni idapo pelu awọn oogun apakokoro, o tun le ṣe itọju awọn ikọlu kekere ati awọn ikọlu psychomotor.Eya glutamic acid ni a lo ninu iṣelọpọ awọn oogun ati awọn reagents biokemika.
2. A ko lo nigbagbogbo nikan, ṣugbọn ni idapo pẹlu phenolic ati quinone antioxidants lati gba ipa ti o dara synergistic.
3. Glutamic acid ti wa ni lo bi complexing oluranlowo fun elekitiriki plating.
4. O ti wa ni lo ni ile elegbogi, ounje aropo ati ounje fortifier;
5. Lo ninu iwadi biokemika, ti oogun ti a lo ninu ẹdọ coma, idilọwọ warapa, idinku ketonuria ati ketinemia;
6. Rirọpo iyọ, afikun ijẹẹmu ati oluranlowo adun (eyiti a lo fun ẹran, bimo ati adie).O tun le ṣee lo lati yago fun crystallization ti iṣuu magnẹsia ammonium fosifeti ni akolo shrimps, crabs ati awọn miiran omi awọn ọja pẹlu iwọn lilo ti 0.3% - 1.6%.O le ṣee lo bi lofinda ni ibamu si GB 2760-96;
Sodium glutamate, ọkan ninu awọn iyọ iṣuu soda rẹ, ni a lo bi igba akoko, ati awọn ọja rẹ pẹlu monosodium glutamate ati monosodium glutamate.

Idanwo idanimọ

Ya 150mg ayẹwo, fi 4ml omi ati LML sodium hydroxide igbeyewo ojutu (ts-224), tu, fi LML ninhydrin igbeyewo ojutu (TS-250) ati 100mg sodium acetate, ati ooru ni farabale omi wẹ fun 10min lati gbe aro aro.
Mu ayẹwo 1g, ṣafikun omi 9ml lati mura idadoro, rọra rọra gbona ni ibi iwẹ nya si ati ki o ru titi ti yoo fi tuka patapata, ṣafikun ojutu 6.8ml lmol/l hydrochloric acid lati tun daduro, ki o ṣafikun 6.8ml lmol/l sodium hydroxide ojutu lati tu. glutamate patapata lẹhin saropo.

Akoonu onínọmbà

Ọna 1: ṣe iwọn 0.2g ayẹwo ni deede, tu ni 3ml formic acid, ṣafikun 50ml glacial acetic acid ati 2 silė ti ojutu idanwo violet crystal (ts-74), titrate pẹlu ojutu 0.1mol / l perchloric acid titi ti alawọ ewe tabi awọ buluu yoo parẹ. .Ọna kanna ni a lo fun idanwo òfo.Kọọkan milimita ti 0.1mol/l perchloric acid ojutu jẹ deede si 14.71mg ti L-glutamic acid (C5H9NO4).
Ọna 2: ṣe iwọn ayẹwo 500mg ni deede, tu ni omi 250mi, ṣafikun ọpọlọpọ awọn silė ti ojutu idanwo buluu bromothymol (ts-56), ati titrate pẹlu 0.1mol/l sodium hydroxide ojutu si aaye ipari buluu.Kọọkan milimita ti 0.lmol/l NaOH ojutu jẹ deede si 14.7mg ti L-glutamic acid (c5h9n04).

Iwọn lilo

FAO / ti o (1984): omitooro ati awọn Obe fun wewewe ounje, 10g / kg.
FEMA (mg / kg): ohun mimu, awọn ọja ti a yan, ẹran, soseji, omitooro, wara ati awọn ọja ifunwara, akoko, awọn ọja arọ, gbogbo 400mg / kg.
FDA, 172.320 (2000): bi afikun ijẹẹmu, opin jẹ 12.4% (da lori iwuwo ti amuaradagba lapapọ ninu ounjẹ).

Alaye aabo

Lewu de ami: F flammable
Ami ailewu: s24/25
Idanimọ ewu: r36/37/38 [1]
Awọn ami ohun elo eewu Xi
Ewu koodu 36/37/38
Awọn ilana aabo 24/25-36-26
Wgk Germany 2rtec lz9700000
F 10
koodu kọsitọmu 29224200
Mimọ:> 99.0% (T)
Ipele: gr
MDL No.: mfcd00002634


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