Khoom Description
Khoom npe: 2 2-Bis(3-amino-4-hydroxyphenyl)propane
Synonyms: PAB
CAS: 1220-78-6 Nr
MF: C15H18N2O2
PIB: 258.32
PIB: 807-962-8
Melting point: 248-250 degree
Kub taw tes: 471.1 ± 45.0℃(Predicted)
Ceev: 1.265 ± 0.06 g / cm3 (Predicted)
Specification
| Cov khoom | Specifications |
| Qhov tshwm sim | Dawb siv lead ua |
| Purity | 99% |
| Cia temp. | Khaws nyob rau hauv qhov chaw tsaus, inert cua, chav tsev kub |
| Pka | 10.62 ± 0.10 (Kev kwv yees) |
Daim ntawv thov
1. Ua raws li ib qho tseem ceeb monomer rau synthesizing siab -kev ua tau zoo epoxy resins thiab cov ntaub ntawv polyimide nrog txhim kho txhua yam muaj zog.
2. Ua haujlwm rau 2 2-Bis (3-amino-4-hydroxyphenyl) propane ua ib qho nruab nrab hauv kev tsim cov tshuaj thiab tshuaj tshwj xeeb nrog cov hom phiaj bioactivity.
3. Ua haujlwm raws li tus ntoo khaub lig- txuas tus neeg sawv cev rau kev hloov kho cov polymers los txhim kho thermal stability thiab tshuaj tiv thaiv.
Cia thiab ceev faj
Khaws 2 2-Bis(3-amino-4-hydroxyphenyl) propane nyob rau hauv ib lub thawv kaw nruj nreem nyob rau hauv ib qho chaw txias, tsaus qhov chaw qis dua 15 degree, ua kom nws qhuav thiab zoo-ventilated. Tsis txhob ya raws, tshav ntuj ncaj qha thiab huab cua kom tiv thaiv kom tsis txhob degradation, thiab cais nws los ntawm cov kua qaub, cov hauv paus thiab oxidants.
Thaum tuav, hnav cov tshuaj lom neeg- hnab looj tes tiv thaiv, tsom iav thiab lub tsho tiv no. Ua haujlwm hauv fume hood kom tsis txhob nqus plua plav thiab qhov muag / qhov muag. Ntxuav kom huv si tom qab siv thiab pov tseg cov khoom pov tseg raws li cov cai tswj kev phom sij hauv zos. Nrhiav kev pab kho mob yog tias khaus tshwm sim.
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 cov 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 2-bis(3-amino-4-hydroxyphenyl)propane cas 1220-78-6, Tuam Tshoj 2 2-bis(3-amino-4-hydroxyphenyl)propane cas 1220-78-6 manufacturers, lwm tus neeg, Hoobkas
