Khoom Description
Khoom npe: 2 7-Dihydroxy-9-fluorenone
CAS: 42523-29-5 Nr
PIB: 610-035-9
Melting point: 338 degree
Kub taw tes: 444.5 ± 20.0℃(Predicted)
Ceev: 1.497 ± 0.06 g / cm3 (Predicted)
Specification
| Cov khoom | Specifications |
| Qhov tshwm sim | Tsis muaj xim thiab pob tshab kua |
| Purity | 99% |
| Cia temp. | Muab kaw rau hauv qhuav, Chav Kub |
| Pob | 1 kg / hnab, 20 kg / nruas, 25 kg / nruas |
Daim ntawv thov
1. 2,7-Dihydroxy-9-fluorenone feem ntau yog siv los ua ib qho tseem ceeb nruab nrab hauv kev lag luam kws tshuaj rau kev sib txuas cov tshuaj tiv thaiv kab mob thiab sympatholytic inhibitors .
2. 2 7-Dihydroxy-9-fluorenone CAS 42523-29-5 yog ib qho tseem ceeb ua haujlwm monomer hauv cov ntaub ntawv tshawb fawb rau kev sib txuas ntawm bisphenol cov khoom, thiab ua ib qho stabilizer thiab plasticizer hauv cov txheej txheem polymerization rau kev ua haujlwm ntawm cov khoom siv polymer.
3. 2,7-Dihydroxy-9-fluorenone yog siv rau hauv agrochemical sector rau kev sib txuas ntawm cov tshuaj tua kab thiab tshuaj tua kab, nrog rau kev tsim cov khoom siv ua kua siv lead ua tshiab.
4. Cov kws tshawb nrhiav ntiav 2 7-Dihydroxy-9-fluorenone CAS 42523-29-5 ua lub tsev thaiv kev tsim cov organic compounds nrog rau cov ntaub ntawv siv hluav taws xob, cov khoom siv photochromic, thiab cov polymers ua tau zoo.
Cia thiab ceev faj
1. 2,7-Dihydroxy-9-fluorenone yuav tsum tau muab khaws cia rau hauv lub thawv kaw nruj nreem rau hauv qhov chaw txias, qhuav, thiab qhov cua zoo ntawm chav tsev kub.
2. 2 7-Dihydroxy-9-fluorenone CAS 42523-29-5 yuav tsum muaj kev tiv thaiv los ntawm ya raws thiab khaws cia kom deb ntawm cov khoom siv tsis sib xws xws li cov tshuaj muaj zog oxidizing.
3. Cov neeg ua haujlwm yuav tsum hnav cov tshuaj lom neeg- hnab looj tes tiv thaiv, tsom iav kev nyab xeeb nrog sab- cov ntaub thaiv npog, thiab cov khaub ncaws tiv thaiv thaum tuav 2,7-Dihydroxy-9-fluorenone, vim nws ua rau tawv nqaij thiab qhov muag khaus (H315, H319).
4. 2,7-Dihydroxy-9-fluorenone muaj teeb meem yog tias nqos los yog nqus tau; zam kev tsim cov plua plav thiab xyuas kom muaj cua txaus hauv thaj chaw ua haujlwm.
Kev kub ceev teb rau cov dej xau
1. Tshem tawm ntawm qhov chaw nchuav, ua kom muaj cua txaus, thiab hnav cov khoom tiv thaiv tus kheej tag nrho nrog rau cov tshuaj lom neeg - cov hnab looj tes tiv thaiv, looj tsom iav dub, thiab lub tshuab ua pa uas tsim nyog thaum 2,7-Dihydroxy-9-fluorenone tso tawm.
2. Sau 2 7-Dihydroxy-9-fluorenone CAS 42523-29-5 los ntawm kev cheb lossis nqus tsev yam tsis tsim cov plua plav siv cov cuab yeej uas tsis muaj hluav taws xob, thiab muab tso rau hauv cov thawv kaw tsim nyog rau kev pov tseg.
3. Tsis txhob tsim cov huab cua thaum lub sij hawm ntxuav kom tsis txhob ua pa; tiv thaiv cov khoom los ntawm kev nkag mus rau hauv cov dej ntws los yog cov chav dej.
4. Pov tseg cov ntaub ntawv khaws tseg raws li hauv zos, xeev, thiab tseem fwv ib puag ncig kev tswj hwm los ntawm kev tso cai los ntawm kev puas tsuaj los yog kev tswj hwm incineration.
Kev tiv thaiv hluav taws
1. 2,7-Dihydroxy-9-fluorenone yog ib qho khoom tawg yooj yim nrog lub teeb nyem ntawm 236.7℃thiab boiling point ntawm 444.5 degree; nws yuav decompose nyob rau hauv hluav taws kub.
2. Siv cov tshuaj tsuag dej, tshuaj qhuav hmoov, carbon dioxide, los yog cawv- ua npuas ncauj resistant los tua hluav taws nrog cov khoom; Tsis txhob siv lub dav hlau dej ncaj qha raws li 2 7-Dihydroxy-9-fluorenone CAS 42523-29-5 tuaj yeem tawg cov khoom tawg.
3. Cov neeg tua hluav taws yuav tsum hnav tus kheej- muaj cov cuab yeej ua pa hauv siab- thov, MSHA/NIOSH tau pom zoo, thiab cov iav tiv thaiv tag nrho thaum tuav cov hluav taws kub 2,7-Dihydroxy-9-fluorenone vim muaj kev puas tsuaj rau cov pa roj uas tsim los ntawm thermal decomposition .
4. Thaum lub sij hawm combustion, tej zaum yuav emit irritant thiab toxic fumes; muaj hluav taws kub los tiv thaiv ib puag ncig.
Yam khoom pom zoo
| Cov khoom | Khoom npe |
| 1 | 5-Fluoroindole CAS 399-52-0 |
| 2 | 7-Methylindole CAS 933-67-5 |
| 3 | Ethyl 2-chloroacetoacetate / 2-Chloroacetoacetic acid ethyl ester CAS 609-15-4 |
| 4 | Tom ntej: Methyl 3-amino-2-fluorobenzoate CAS 1195768-18-3 |
| 5 | Bicine/NN{0}}Bis (2-hydroxyethyl)glycine CAS 150-25-4 |
| 6 | Bis -Tris/2 2-Bis (hydroxymethyl) -2 2 2-nitrilotriethanol CAS 6976-37-0 |
| 7 | Bis -Tris Propane CAS 64431-96-5 |
| 8 | N-(2-Hydroxyethyl) iminodiacetic Acid / HEIDA CAS 93-62-9 |
| 9 | CAS Nr .: 16052-06-5 |
| 10 | Yog tias koj xav tau cov ntaub ntawv ntxiv, txais tos hu rau peb txhua lub sijhawm.WhatsApp: +86 18317156592
|
Ntim
Kev thauj mus los & Kev Them Nyiaj
Txog Kev Thauj Mus Los
Raws li cov kev xav tau ntawm peb cov neeg siv khoom, peb tuaj yeem muab ntau yam kev xaiv kev thauj mus los.
Rau kev txiav txim me me, peb muab kev xa khoom huab cua lossis kev pabcuam xa khoom thoob ntiaj teb xws li FedEx, DHL, TNT, EMS, thiab ntau lwm yam tshwj xeeb ntawm kev thauj mus los thoob ntiaj teb.
Peb tuaj yeem thauj los ntawm hiav txwv mus rau ib qho chaw nres nkoj rau qhov loj dua.
Tsis tas li ntawd, peb tuaj yeem muab cov kev pabcuam tshwj xeeb raws li cov kev xav tau ntawm peb cov neeg siv khoom thiab cov yam ntxwv ntawm lawv cov khoom.
* Peb tuaj yeem muab ntau yam kev xaiv them nyiaj rau peb cov neeg siv khoom.
* Thaum cov nyiaj qis qis, cov neeg siv khoom feem ntau them nrog PayPal, Western Union, Alibaba, thiab lwm yam kev pabcuam zoo sib xws.
* Thaum cov lej tseem ceeb, cov neeg siv khoom feem ntau them nrog T / T, L / C thaum pom, Alibaba, thiab lwm yam.
* Tsis tas li ntawd, ntau tus neeg siv khoom yuav siv Alipay lossis WeChat Them kom them nyiaj.
FAQ
1
Kuv puas tuaj yeem tau txais ib qho qauv ntawm koj?
Re: Yog lawm, peb xav muab cov qauv rau koj raws li koj xav tau.
2
Koj tus MOQ yog dab tsi?
Re: Feem ntau peb cov MOQ yog 1 kg, tab sis qee zaum nws kuj hloov tau thiab nyob ntawm cov khoom sib txawv.
3
Ntev npaum li cas kuv tuaj yeem tau txais kuv cov khoom tom qab them nyiaj?
Re: Yog tias xa los ntawm couriers lossis huab cua, nws feem ntau raug nqi 5-10 hnub.
Yog tias xa los ntawm hiav txwv, nws feem ntau raug nqi 3-40 hnub, uas nyob ntawm koj qhov chaw nyob.
4
Koj puas muaj kev pabcuam tom qab- muag?
Re: Yog lawm, peb yuav qhia koj txog kev nce qib ntawm qhov kev txiav txim, xws li kev npaj cov khoom, kev tshaj tawm, kev thauj mus los ua raws- nce, kev pabcuam kev lis kev cai, kev qhia txuj ci, thiab lwm yam.
Tiv tauj peb
Cim npe nrov: 2 7-dihydroxy-9-fluorenone cas 42523-29-5, Tuam Tshoj 2 7-dihydroxy-9-fluorenone cas 42523-29-5 manufacturers, lwm tus neeg, Hoobkas
