Khoom Description
1-hydroxy-2-naphthoic acid yog cov organic compound. Siv 1-naphthol raws li cov khoom siv raw, sodium ntsev yog thawj zaug npaj, thiab tom qab ntawd sodium ntsev ntawm naphthyl carbonate tau txais los ntawm carboxylation cov tshuaj tiv thaiv nrog carbon dioxide, thiab tom qab ntawd cov molecule tau rov kho dua kom tau txais 1-hydroxy -2-naphthoic acid sodium ntsev, thiab tom qab ntawd acidified nrog hydrochloric acid kom tau cov khoom tiav.
Salmeterol Hydroxynapthoic Acid muaj cov tsos ntawm dawb mus rau me ntsis liab crystals. Melting point yog 191-192 degree . Nws yog soluble hauv ethanol, benzene, ether, chloroform thiab alkaline kua, yuav luag insoluble hauv dej, thiab me ntsis soluble hauv dej kub.
Cov ntaub ntawv yooj yim
| Melting point | 195-200 degree (dec.) (lit.) |
| Boiling point | 283.17 degree (kev kwv yees ntxhib) |
| ceev | 1.2100 (kwv yees kwv yees) |
| Refractive Index | 1.6310 (kwv yees) |
| Fp | 150 degree |
| cia temp. | Muab kaw rau hauv qhuav, Chav Kub |
| solubility | cawv: dawb soluble |
| daim ntawv | Hmoov los yog Crystals |
Siv
Xim yav dhau los: 1-Hydroxy-2-naphthoic acid yog ib qho nruab nrab ntawm dye thiab xim zaj duab xis xim qub, siv los ua xim thiab xim zaj duab xis. cov
Roj teeb additive : 1-Hydroxy-2-naphthoic acid kuj yog siv los ua roj teeb ntxiv los txhim kho roj teeb. cov
Organic synthesis : Ntxiv rau, 1-Hydroxy-2-naphthoic acid kuj tseem siv rau hauv lwm cov organic synthesis tshuaj raws li ib qho tseem ceeb tshuaj raw khoom .
Tuam txhab Profile
Gneechem, nyob rau hauv Henan Xeev, Tuam Tshoj, yog ib feem ntawm GNEE Group, nrog 22 xyoo ntawm kev ua lag luam txawv teb chaws, tshwj xeeb hauv kev muab cov khoom zoo tshuaj raw khoom thiab kev lag luam kev pabcuam rau cov neeg siv khoom thoob ntiaj teb. Peb muab cov khoom siv tshuaj lom neeg yooj yim, cov tshuaj zoo thiab cov tshuaj tshwj xeeb rau ntau yam kev lag luam.Peb muaj ISO9001 tau ntawv pov thawj thiab tau lees paub los ntawm ntau qhov kev tsim nyog hauv tsev thiab txawv teb chaws, ua rau peb muaj kev ntseeg siab ntawm peb cov neeg siv khoom.
FAQ
1. Kuv yuav tau txais tus nqi li cas?
-Peb feem ntau hais hauv 24 teev tom qab tau txais koj qhov kev nug (tsis suav hnub so thiab hnub so).
-Yog tias koj xav tau tus nqi nrawm, thov email lossis tiv tauj peb los ntawm lwm txoj kev kom peb tuaj yeem hais lus rau koj.
2. Koj lub sijhawm xa khoom yog dab tsi?
-Nws nyob ntawm tus naj npawb ntawm kev txiav txim thiab lub caij uas koj tso koj xaj.
-Feem ntau, kev txiav txim tuaj yeem xa tuaj tsis pub dhau 7-15 hnub rau kev txiav txim me me thiab 25 hnub rau kev txiav txim loj.
3. Txoj kev xa khoom yog dab tsi?
-Koj tuaj yeem nkoj los ntawm hiav txwv, huab cua, lossis nthuav qhia (EMS, UPS, DHL, TNT, FEDEX, thiab lwm yam).
Cim npe nrov: cas 86-48-6|1-hydroxy-2-naphthoic acid, Tuam Tshoj cas 86-48-6|1-hydroxy-2-naphthoic acid manufacturers, lwm tus neeg, Hoobkas
