Raws li kev tsim khoom, peb xav muab koj cov khoom zoo L-Pyroglutamic acid CAS 98-79-3. Thiab peb yuav muab cov kev pabcuam zoo tshaj plaws tom qab muag thiab xa khoom raws sijhawm.
Ntseeg Tshuaj yog ib tug ua Tuam Tshoj L-Pyroglutamic acid CAS 98-79-3 chaw tsim tshuaj paus, tsum thiab exporter. Ua raws li kev ua raws li cov khoom zoo tshaj plaws, kom peb cov L-Pyroglutamic acid CAS 98-79-3 tau txaus siab los ntawm ntau tus neeg siv khoom. Shandong Ntseeg
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-Pyroglutamic acid |
||
|
Formula |
C5H7NO3 |
Molecular Luj |
129.11 |
|
CAS Nr. |
98-79-3 ib |
Ntau |
500 KG |
|
Cov khoom |
Specification |
Cov txiaj ntsig |
|
Qhov tshwm sim |
Dawb mus rau dawb |
Ua raws |
|
Assay |
99% | 99.54% |
|
TEEB MEEM |
Qhov tshwm sim ua raws li tus qauv |
|
Melting point 160-163 ° C (lit.)
Boiling point 239.15 ° C (kwv yees ntxhib)
Kev sib hloov tshwj xeeb - 27.5 º (c = 10,1NNaOH)
Density 1.3816 (kev kwv yees ntxhib)
Vapor siab 0.002Paat25 â
Refractive index - 10 ° (C = 5, H2O)
Cia tej yam kev mob 2-8 ° C
Solubility H2O: 1Mat20 ° C, ntshiab, tsis muaj xim
Daim ntawv CrystalinePowder
Acidity coefficient (pKa) 3.32 (ntawm 25 â º
Xim Whitetoff dawb
PH tus nqi 1.7 (50g / l, H2O, 20 âជន
Opticalactivity [I±] 20 / D10.5 ± 1 °, c = 5% hauvH2O
Solubility dej 10-15g / 100mL (20 º C)
Synthesis ntawm cov organic intermediates.
