Raws li kev tsim khoom, peb xav muab koj cov khoom zoo 2,3-Dihydroxybenzoic acid CAS 303-38-8. 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 2,3-Dihydroxybenzoic acid CAS 303-38-8 chaw tsim tshuaj paus, tsum thiab exporter. Ua raws li kev ua raws li cov khoom lag luam zoo, kom peb cov 2,3-Dihydroxybenzoic acid CAS 303-38-8 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!
|
Khoom npe |
2,3-Dihydroxybenzoic acid |
||
|
Formula |
C7H6O4 |
Molecular Luj |
154.12 |
|
CAS Nr. |
303-38-8 : kuv |
Ntau |
500 KG |
|
Cov khoom |
Specification |
Cov txiaj ntsig |
|
Qhov tshwm sim |
Beige rau xim av los yog pinkish-grey |
Ua raws |
|
Assay |
99% | 99.28% |
|
TEEB MEEM |
Qhov tshwm sim ua raws li tus qauv |
|
Melting point 204-206 ° C (lit.)
Boiling point: 95-96 / 0.5mm
Qhov ceev: 1542g / cm3
Refractive index 1.6400 (kwv yees)
Cia tej yam kev mob: ineratmosphere, roomtemperature
Solubility methanol: soluble 50mg / ml, clearofaintly hazy, txiv kab ntxwv
Daim ntawv: crystal hmoov
Acidity coefficient (PKA) PK1: 2.98; pK2: 10.14 (30 ° C)
Xim: beigtobrownorpinkish grey
Solubility dej: solubilinwater, methanolanddimethylsulfoxide
Synthesis ntawm cov organic intermediates.
