Raws li kev tsim khoom, peb xav muab koj cov khoom zoo Pyridine-2,6-dicarboxylic acid CAS 499-83-2. 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 Pyridine-2,6-dicarboxylic acid CAS 499-83-2 chaw tsim tshuaj paus, tsum thiab exporter. Ua raws li kev ua raws li cov khoom zoo tshaj plaws, kom peb cov Pyridine-2,6-dicarboxylic acid CAS 499-83-2 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 |
Pyridine-2,6-dicarboxylic acid |
||
|
Formula |
C7H5 NPO 4 |
Molecular Luj |
167.12 |
|
CAS Nr. |
499-83-2 : kuv |
Ntau |
500 KG |
|
Cov khoom |
Specification |
Cov txiaj ntsig |
|
Qhov tshwm sim |
Dawb |
Ua raws |
|
Assay |
99% | 99.22% |
|
TEEB MEEM |
Qhov tshwm sim ua raws li tus qauv |
|
Melting point 248-250 ° C (dec.) (lit.)
Boiling point 295.67 ° C (kwv yees ntxhib)
Density 1.5216 ( kwv yees kwv yees)
Vapor siab
Refractive index 1.6280 (kwv yees)
Flash point 188 ° C
Cia tej yam kev mob Storebellow 30 ° C
Solubility H2O: 1%, ntshiab
Daim ntawv CrystalinePowder
Acidity coefficient (pKa) 2.16 (ntawm 25 â º
Xim Dawb
PH nqi 2.0 (5g/l, H2O, 20 âជន
Solubility dej 5g / L (20 º C)
Synthesis ntawm cov organic intermediates.
