Peb yog cov chaw tsim khoom ntawm L-Tryptophan CAS 73-22-3 hauv Suav teb.L-Tryptophan CAS 73-22-3 muaj nyob rau hauv Tshuag thiab tuaj yeem xa tuaj sai.COA, MSDS thiab TDS ntawm L-Tryptophan CAS 73-22 -3.
Ntseeg Tshuaj yog ib tug ua Tuam Tshoj L-Tryptophan CAS 73-22-3 chaw tsim tshuaj paus, tsum thiab exporter. Adhering mus nrhiav kev zoo meej ntawm cov khoom, kom peb
Peb zoo ntawm qhov zoo ntawm cov khoom siv tshuaj lom neeg hauv thaj chaw. Peb cov khoom raug xa tawm mus rau Tebchaws Europe, Tebchaws Meskas, Nyiv, Kaus Lim Qab Teb, Sab Hnub Tuaj Asia thiab lwm lub tebchaws thiab cheeb tsam. Nrog rau kev tshawb fawb thiab thev naus laus zis raws li kev qhia, kev ncaj ncees raws li lub hauv paus, zoo li lub neej, thiab tso siab rau lub tswv yim kev lag luam ntawm kev tsim kho tshiab thiab kev loj hlob, peb cia siab tias yuav tsim kev sib pauv thiab kev koom tes nrog cov neeg siv khoom hauv tsev thiab txawv teb chaws los tsim kev vam meej!
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Khoom npe |
L-Tryptophan |
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Formula |
Molecular Luj |
204.23 |
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CAS Nr. |
73-22-3 ib |
Ntau |
500 KG |
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Cov khoom |
Specification |
Cov txiaj ntsig |
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Qhov tshwm sim |
Dawb siv lead ua los yog siv lead ua hmoov |
Ua raws |
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Assay |
99% | 99.36% |
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TEEB MEEM |
Qhov tshwm sim ua raws li tus qauv |
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Melting point 289-290 ° C (Dec.) (lit.)
Kev sib hloov tshwj xeeb - 31.1 º (C = 1, H20)
Boiling point 342.72 ° C (kwv yees ntxhib)
Qhov ceev: 1.34
Refractive index - 32 ° (C = 1, H2O)
Cia txias: 2-8 ° C
Solubility 20% NH3: 0.1g / mlat20 ° C, ntshiab, tsis muaj xim
Daim ntawv: hmoov
Acidity coefficient (PKA) 2.46 (AT25 â,
Xim: whitetoyellow dawb
PH 5.5-7.0 (10g / L, H2O, 20 â,
Kev ua haujlwm kho qhov muag [α] 20 / D31.5 ± 1 °, c = 1% hauvH2O
Solubility dej 11.4g / l (25 ºC)
Synthesis ntawm cov organic intermediates
