Peb yog cov chaw tsim khoom ntawm Salicylic acid CAS 69-72-7 hauv Suav teb.Salicylic acid CAS 69-72-7 muaj nyob rau hauv Tshuag thiab tuaj yeem xa tuaj sai.COA, MSDS thiab TDS ntawm Salicylic acid CAS 69-72-7.
Ntseeg Tshuaj yog ib tug ua Tuam Tshoj Salicylic acid CAS 69-72-7 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 |
Salicylic acid |
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Formula |
Molecular Luj |
138.12 | |
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CAS Nr. |
69-72-7 ib |
Ntau |
500 KG |
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Cov khoom |
Specification |
Cov txiaj ntsig |
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Qhov tshwm sim |
Dawb hmoov |
Ua raws |
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Assay |
99% | 99.3% |
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TEEB MEEM |
Qhov tshwm sim ua raws li tus qauv |
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Melting point 158-161 ° C (lit.)
Kub taw tes 211 ° C (lit.)
Qhov ceev: 1.44
Vapor ceev 4.8 (vsair)
Vapor siab 1mmhg (114 ° C)
Refractive index 1565fema3985 | 2-Hydroxybenzoicacid
Lub teeb taw tes: 157 ° C
Cia txias: 2-8 ° C
Solubility ethanol: 1mat20 ° C, ntshiab, tsis muaj xim
Acidity coefficient (PKA) 2.98 (AT25 â,
Daim ntawv: khov
Xim: whitetooff dawb
Xim hloov pH tus nqi ntau ntawm cov kua qaub-puag qhia tsis yog 0fluorescence (2.5) todarkblue0fluorescence (4.0)
PH tus nqi: 3.21 (1mmsolution); 2.57 (10mMSolution); 2.02 (100mMsolution);
Solubility dej 1.8g / l (20 º C)
Salicylic acid, tseem hu ua o-hydroxybenzoic acid, yog ib qho tseem ceeb raw khoom rau organic synthesis.
