Methyl gallate CAS 99-24-1 yog monoclinic prismatic siv lead ua (methanol). Lub melting point yog 201-203 ° C (157 ° C, hydrate los yog solvated crystal). Soluble hauv dej kub, ethanol, ether.
Ntseeg Chemical yog cov thawj coj hauv Suav tebTom ntej: Methyl Gallate CAS 99-24-1 ibmanufacturers, tsum thiab exporter. Ua raws li kev ua raws li cov khoom zoo tshaj plaws, kom peb cov Methyl Gallate CAS 99-24-1 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 |
Methyl gallate |
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Formula |
c8h8o 5 |
Molecular Luj |
184.15 |
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CAS Nr. |
99-24-1 ib |
Ntau |
500 KG |
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Cov khoom |
Specification |
Cov txiaj ntsig |
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Qhov tshwm sim |
White to slightly beige Crystalline Powder |
Ua raws |
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Assay |
â € 99.0% |
99.1% |
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TEEB MEEM |
Qhov tshwm sim ua raws li tus qauv |
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Melting point 201-204 ° C
Kub taw tes 278.08 ° C (roughestimate)
Qhov ceev 1.3840 (roughestimate)
Refractive index 1.5690 (kwv yees)
Cia tej yam kev mob Inertatmosphere, RoomTemperature Solubility ethanol: 50mg / mL, ntshiab
MorphologyCrystallinePowde
racidity coefficient (pKa) 8.04 ± 0.23 (Predicted)
ColorWhitetoslightly beige
Dej-soluble SOLUBLEINHOTWATER
Intermediates ntawm biphenyl diesters. Nws tseem yog roj hmab antioxidant.
Siv los ua ib qho nruab nrab rau biphenyl bisphenol thiab lwm yam tshuaj
