L-Alanine CAS 56-41-7 (H-Ala-OH) Purity 98.5% ~ 101.0% AJI 97 / USP / BP / FCC Standard
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom thiab cov chaw muag khoom ntawm L-Alanine (H-Ala-OH) (Abbreviated Ala lossis A) (CAS: 56-41-7) nrog cov khoom zoo, muaj peev xwm ntau lawm 20000 tons hauv ib xyoos. , raws li AJI 97 / USP / BP / JP / FCC specifications.Ruifu Chemical yog ib lub chaw muag khoom loj tshaj plaws ntawm L-Alanine hauv Suav teb, muaj kev lag luam loj.L-Alanine yog muag zoo nyob rau hauv domestic thiab txawv teb chaws lag luam, qhuas los ntawm feem ntau ntawm cov neeg muas zaub.Ruifu Chemical tseem muab lwm cov amino acids thiab derivatives.Peb tuaj yeem muab COA, xa khoom thoob ntiaj teb, me me thiab ntau ntau.Yog tias koj txaus siab rau L-Alanine,Please contact: alvin@ruifuchem.com
| Tshuaj npe | L-Alanine |
| Synonyms | H-Ala-OH;L-Ala;L-(+)-Alanine;(Abbreviated Ala los yog A);L-α-Alanine;(S)-2-Aminopropanoic Acid;L-2-Aminopropionic Acid;L-Alpha-Alanine;(2S)-2-Aminopropanoic Acid;(S)-2-Aminopropanoic Acid;(S)-(+)-Alanine;(S) - Alanine;L-α-Aminopropionic Acid;α-Alanine;α-Aminopropionic Acid |
| CAS Nr | 56-41-7 : kuv |
| CAT Number | RFA 101 |
| Tshuag xwm txheej | Hauv Tshuag, Muaj Peev Xwm Ntau Lawm 20000 Tons ib xyoos |
| Molecular Formula | C3H7NO2 |
| Molecular Luj | 89.09 ib |
| Melting Point | 315℃ |
| Qhov ntom | 1.432 g / cm3 |
| Solubility hauv dej | Yuav luag Transparency |
| Kev ruaj ntseg | ruaj khov.Incompatible Nrog Muaj Zog Oxidizing Agents |
| Hom | Ruifu Tshuaj |
| Hazard Codes | Xis | F | 10 |
| Risk Statements | 36/37/38 ib | TSCA | Yog lawm |
| Cov lus hais txog kev nyab xeeb | 24/25-36-26 ib | Hazard Class | Irritant |
| WGK Germany | 3 | HS Code | 2922491990 ib |
| RTECS | UA 299000 |
| Yam khoom | Specifications |
| Qhov tshwm sim | Dawb Crystal lossis Crystalline hmoov;Me ntsis qab zib |
| Purity | 98.5% ~ 101.0% (Xau ntawm lub hauv paus qhuav) |
| Kev txheeb xyuas | Sib piv cov infrared absorption spectrum ntawm tus qauv nrog cov qauv ntawm potassium bromide disc txoj kev |
| Solubility | Dawb soluble hauv dej thiab hauv formic acid, xyaum insoluble hauv ethanol thiab hauv ether.Dissolves nyob rau hauv dilute hydrochloric thiab dilute sulfuric acid. |
| Kev sib hloov tshwj xeeb[α]D20 | +14.3° ~ +15.2°C = 10.6N HCl |
| Kev daws teeb meem | Ntshiab thiab tsis muaj xim |
| Kev xa tawm | ≥98.0% |
| Chloride (Cl) | ≤ 0.010% |
| Ammonium(NH4) | ≤ 0.020% |
| Sulfate(SO4) | ≤ 0.020% |
| Hlau (Fe) | ≤10ppm |
| Heavy Metals (Pb) | ≤10ppm |
| Arsenic(AS2O3) | ≤1ppm |
| Lwm yam Amino Acids | Ua raws |
| Poob rau ziab | ≤0.20% (Nyob ntawm 105 ℃ rau 3 teev) |
| Residue ntawm Ignition | ≤ 0.10% |
| Mesh | 90% Pass 40-60 Mesh |
| Lwm yam Amino Acids | Chromatographically Tsis Detectable |
| Tus nqi pH | 5.5 ~ 7.0 |
| Test Standard | AJINOMOTO Amino Acid Specifications 8th Edition (AJI 97) Food Chemicals Codex Twelfth Edition (FCC) Tebchaws Asmeskas Pharmocopoeia (USP) |
| Kev siv | Amino Acids;Khoom noj khoom haus additives;Pharmaceutical Intermediates |
Tag nrho cov txheej txheem tsim khoom ntawm L-Alanine
(H-Ala-OH) (Abbreviated Ala lossis A) (CAS: 56-41-7)
DEFINITION
Alanine muaj NLT 98.5% thiab NMT 101.5% ntawm C3H7NO2, raws li L-alanine, suav ntawm lub hauv paus qhuav.
IDENTIFICATION
INFRARED ABSORPTION <197K>
QHIA
txheej txheem
Qauv: 80 mg ntawm Alanine
Titrimetric system USP L-Alanine RS (Saib Titrimetry <541>)
Hom: Direct titration
Titrant: 0.1 N perchloric acid VS
Endpoint detection: Potentiometric
Tsis muaj: 3 mL ntawm formic acid hauv 50 mL ntawm glacial acetic.acid
Kev Ntsuam Xyuas: Dissolve cov qauv hauv kev sib xyaw ntawm 3 mL ntawm formic acid thiab 50 mL ntawm glacial acetic acid, thiab titrate nrog 0.1 N perchloric acid VS.Xam cov feem pua muaj hnub nyoog ntawm C3H7NO2 hauv feem:
Result = [(VB) xNxFx100]/W
V = Sample titrant ntim (mL)
B = Tsis muaj titrant ntim (mL)
N = titrant normality (mEq/mL)
F = equivalency factor: 89.09 mg/mEq
W = qhov hnyav ntawm tus qauv (mg)
Kev lees txais: 98.5% -101.5% ntawm lub hauv paus qhuav
IMPURITIES
Inorganic impurities
RESIDUEON IGNITION <281>: NMT 0.15%
CHLORIDEAND SULFATE, Chloride <221>: Ib feem 1.0-g qhia tias tsis muaj cov tshuaj chloride ntau dua li 0.70 mL ntawm 0.020 N hydrochloric acid (0.05%).
CHLORIDEAND SULFATE, Sulfate <221>: Ib feem 1.0-g qhia tias tsis muaj sulfate ntau dua li 0.30 mL ntawm Impurities.0.020 N sulfuric acid (0.03%).
IRON <241>: NMT 30 ppm
HEAVY METALS, Method I <231>: NMT 15 ppm
Organic impurities
txheej txheem
Adsorbent: 0.25-mm txheej ntawm chromatographic silica gel sib tov
Kev daws teeb meem: 0.05 mg / mL ntawm USP L-Alanine RS.[CEEB TOOM—Qhov kev daws teeb meem no muaj qhov sib npaug ntawm 0.5% ntawm cov qauv tshuaj.]
Kev daws teeb meem tsim nyog: 0.4 mg / mL txhua ntawm USP L-Alanine RS thiab USP Glycine RS
Piv txwv li: 10 mg / mL ntawm Alanine
Txau reagent: 2 mg / mL ntawm ninhydrin hauv kev sib xyaw ntawm butyl cawv thiab 2 N acetic acid (95: 5)
Tsim cov kuab tshuaj: Butyl cawv, glacial acetic acid, thiab dej (60:20:20)
Daim ntawv ntim: 5μL
Kev tsom xam
Cov Qauv: Cov qauv kev daws teeb meem, Kev daws teeb meem tsim nyog, thiab cov qauv kev daws teeb meem
Ua raws li qhia rau Chromatography <621>, Thin-Layer Chromatography.Tom qab cua tshuab ziab lub phaj, rov ua txoj kev txhim kho.Tom qab cua qhuav zaum ob, tshuaj tsuag nrog Spray reagent, thiab cua sov rau.100 ~ 105 rau 15 min.Tshawb xyuas lub phaj hauv qab lub teeb.Lub chromatogram tau txais los ntawm qhov kev daws teeb meem tsim nyog tau nthuav tawm ob qhov sib cais kom meej meej.
Kev lees txais
Tus kheej impurities: Txhua qhov chaw thib ob ntawm cov qauv kev daws teeb meem tsis loj dua lossis hnyav dua li qhov chaw tseem ceeb ntawm Cov Txheej Txheem, NMT 0.5%
Tag nrho impurities: NMT 2.0%
TSEEM CEEB
OPTICAL ROTATION, Kev Sib Txuas Tshwj Xeeb <781S>: +13.7 ° txog +15.1 ° Cov kua dej ua kua: 100 mg / mL hauv 6 N hydrochloric acid
PH <791>: 5.5 ~ 7.0, hauv kev daws (1 hauv H20)
LOSSON RAU DRYING <731>: Qhuav ib qho qauv ntawm 105 ℃ rau 3 h: nws poob NMT 0.2% ntawm nws qhov hnyav.
TSEEM CEEB
PACKAGINGAND STORAGE: Khaws rau hauv cov thawv kaw ntom nti, thiab khaws cia ntawm chav tsev kub.
USP REFERENCE STANDARDS <11>
USP L-Alanine RS
USP Glycine RS
Pob: Lub raj mis, 25kg / hnab, 25kg / Cardboard nruas, los yog raws li tus neeg yuav tsum tau muaj.
Cia txias:Khaws rau hauv cov thawv ntim khoom ntawm qhov chaw txias, qhuav thiab cua tshuab kom deb ntawm cov khoom tsis sib xws.Tiv thaiv los ntawm lub teeb thiab noo noo.
L-Alanine (lub cim Ala lossis A, CAS 56-41-7) yog ib qho α-amino acid uas siv rau hauv biosynthesis ntawm cov protein.L-Alanine yog ib qho ntawm 20 amino acids encoded los ntawm genetic code.Nws muaj ib pawg amine thiab ib pawg carboxylic acid, ob qho tib si txuas rau hauv nruab nrab cov pa roj carbon atom uas tseem nqa cov methyl pawg sab saw.
L-Alanine (CAS 56-41-7) yog dav siv los ua cov khoom noj khoom haus, ua cov khoom qab zib thiab qab ntxiag hauv kev lag luam khoom noj khoom haus, ua kom tsw qab thiab khaws cia hauv kev lag luam dej haus, raws li qhov nruab nrab rau kev tsim tshuaj hauv chaw muag tshuaj, ua zaub mov ntxiv thiab qaub kho tus neeg saib xyuas hauv kev ua liaj ua teb / tsiaj pub, thiab ua haujlwm nruab nrab hauv kev tsim khoom ntawm ntau yam tshuaj lom neeg.L-Alanine yog ib qho amino acid uas tuaj yeem ua rau cov tawv nqaij ua kom tawv nqaij.Nws feem ntau yog siv ua ke nrog lwm cov amino acids.
L-Alanine yog L-enantiomer ntawm alanine.L-alanine yog siv nyob rau hauv kev kho mob khoom noj khoom haus raws li ib feem rau parenteral thiab enteral khoom noj khoom haus.L-alanine ua lub luag haujlwm tseem ceeb hauv kev xa cov nitrogen los ntawm cov ntaub so ntswg mus rau lub siab.L-Alanine tau dav siv los ua cov khoom noj khoom haus, ua cov khoom qab zib thiab qab ntxiag hauv kev lag luam khoom noj khoom haus, ua cov khoom noj qab haus huv thiab kev khaws cia hauv kev lag luam dej haus, raws li nruab nrab rau kev tsim tshuaj hauv tshuaj, raws li cov khoom noj khoom haus ntxiv thiab cov kua qaub kho hauv kev ua liaj ua teb / tsiaj txhu. , thiab raws li nruab nrab hauv kev tsim khoom ntawm ntau yam tshuaj organic.
