2,2′-Bis (trifluoromethyl)benzidine (TFMB) CAS 341-58-2 Purity > 99.5% (HPLC)
Shanghai Ruifu Chemical yog cov chaw tsim khoom ntawm 2,2'-Bis (trifluoromethyl) benzidine (TFMB; TFDB) (CAS: 341-58-2) nrog cov khoom zoo.Ruifu tuaj yeem muab kev xa khoom thoob ntiaj teb, tus nqi sib tw, kev pabcuam zoo, me me thiab ntau ntau muaj.Yuav 2,2'-Bis (trifluoromethyl) benzidine,Please contact: alvin@ruifuchem.com
Tshuaj npe | 2,2'-Bis (trifluoromethyl) benzidine |
Synonyms | TFMB;TFDB;4,4'-Diamino-2,2'-Bis(trifluoromethyl)biphenyl;2,2'-Bis (trifluoromethyl)-[1,1'-Biphenyl]-4,4'-Diamine |
Tshuag xwm txheej | Hauv Tshuag, Kev Lag Luam Loj |
CAS Nr | 341-58-2 : kuv |
Molecular Formula | C14H10F6N2 |
Molecular Luj | 320.24 g / mol |
Melting Point | 182.0 txog 186.0 ℃ |
Qhov ntom | 1.415 ± 0.06 g / cm3 |
Solubility | Soluble nyob rau hauv Methanol, Yuav luag Transparency |
Cia Temp. | Qhov chaw txias & qhuav (2 ~ 8 ℃) |
COA & MSDS | Muaj |
Hom | Ruifu Tshuaj |
Cov khoom | Kev soj ntsuam Standards | Cov txiaj ntsig |
Qhov tshwm sim | Daus dawb hmoov | Ua raws |
Melting Point | 182.0 txog 186.0 ℃ | 183 ℃ |
Dej los ntawm Karl Fischer | ≤0.50% | 0.03% |
Purity / Analysis Method | > 99.5% (HPLC) | 99.85% |
Infrared Spectrum | Raws li tus qauv | Ua raws |
1 H NMR Spectrum | Raws li tus qauv | Ua raws |
Xaus | Cov khoom tau raug kuaj & ua raws li cov specifications |
Pob:Lub raj mis, Aluminium ntawv ci hnab, 25kg / Cardboard Nruas, los yog raws li tus neeg yuav tsum tau muaj.
Cia txias:Khaws rau hauv lub thawv kaw nruj nreem.Khaws rau hauv qhov chaw txias, qhuav (2 ~ 8 ℃) thiab lub tsev tso cua txias kom deb ntawm cov khoom tsis sib xws.Tiv thaiv los ntawm lub teeb thiab noo noo.
Shipping:Xa mus thoob ntiaj teb los ntawm huab cua, los ntawm FedEx / DHL Express.Muab kev xa khoom sai thiab txhim khu kev qha.
Yuav Yuav Li Cas?Thov hu rauDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Xyoo Kev Paub?Peb muaj ntau tshaj li 15 xyoo ntawm kev paub nyob rau hauv kev tsim thiab export ntawm ib tug ntau yam ntawm zoo tshuaj intermediates los yog zoo tshuaj.
Kev lag luam loj?Muag rau kev lag luam hauv tsev, North America, Europe, India, Kauslim, Nyiv, Australia, thiab lwm yam.
Qhov zoo?Superior zoo, tus nqi pheej yig, kev pabcuam tshaj lij thiab kev txhawb nqa kev pabcuam, xa khoom sai.
ZooKev lees paub?Kev tswj xyuas nruj nruj.Cov cuab yeej tshaj lij rau kev txheeb xyuas suav nrog NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, thiab lwm yam.
Cov qauv?Cov khoom lag luam feem ntau muab cov qauv dawb rau kev soj ntsuam zoo, tus nqi thauj khoom yuav tsum tau them los ntawm cov neeg siv khoom.
Factory Audit?Lub Hoobkas tshawb xyuas txais tos.Thov teem caij ua ntej.
MOQ?Tsis muaj MOQ.Kev txiav txim me me tau txais.
Lub sij hawm xa tuaj? Yog hais tias nyob rau hauv Tshuag, peb hnub shipping guaranteed.
Kev thauj mus los?Los ntawm Express (FedEx, DHL), los ntawm Cua, los ntawm hiav txwv.
Cov ntaub ntawv?Kev pab cuam tom qab muag: COA, MOA, ROS, MSDS, thiab lwm yam tuaj yeem muab tau.
Kev cai Synthesis?tuaj yeem muab cov kev pabcuam sib xyaw ua ke kom haum rau koj cov kev xav tau tshawb fawb.
Cov nqe lus them nqi?Proforma invoice yuav raug xa ua ntej tom qab kev pom zoo ntawm kev txiav txim, kaw peb cov ntaub ntawv hauv tuam txhab nyiaj.Kev Them Nyiaj los ntawm T / T (Telex Transfer), PayPal, Western Union, thiab lwm yam.
Risk Codes
R22 - Ua phem yog tias nqos
R45 - Tej zaum yuav ua rau mob qog noj ntshav
R50/53 - Muaj tshuaj lom heev rau cov kab mob hauv dej, tuaj yeem ua rau muaj kev cuam tshuam ntev hauv cov dej hauv dej.
R36 - Khau qhov muag
R25 - Toxic yog nqos
R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
Kev nyab xeeb piav qhia
S22 - Tsis txhob nqus plua plav.
S36/37/39 - Hnav cov khaub ncaws tiv thaiv, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag.
S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg los tau.)
S26 - Nyob rau hauv rooj plaub ntawm qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S37 - Hnav cov hnab looj tes tsim nyog.
UN IDs 2811
HS Code 2921590090
Hazard Note Toxic
Hazard Class IRRITANT-HARMFUL
2,2'-Bis (trifluoromethyl) benzidine (TFMB; TFDB) (CAS: 341-58-2) yog siv los ua lub zog siab hloov pauv tau cov khoom siv polyimide.Ua kua crystal nruab nrab.
2,2'-Bis (trifluoromethyl) benzidine yog ib qho tseem ceeb monomer rau kev sib txuas ntawm polyimide.Cov polyimide synthesized nrog TFMB raws li cov monomer qhia fluorine pawg.Cov khoom siv fluorine muaj lub vojvoog me me atomic thiab siab electronegativity, uas ua rau polyimide khaws cov khoom zoo heev thaum muab nws ntau yam khoom tshwj xeeb, xws li thermal stability, tshuaj inertness, zoo heev mechanical zog, thiab lwm yam.
2,2'-Bis (trifluoromethyl) benzidine yog siv rau hauv thaj chaw ntawm microelectronics thiab optoelectronics los npaj tsis tshua muaj hluav taws xob tsis tu ncua, tsis tshua muaj zog tsis muaj zog, tsis tshua muaj zog txhua yam, siab hnav tsis kam, tsis muaj xim thiab pob tshab PI cov ntaub ntawv, thiab yog cov monomer uas paub zoo tshaj plaws ntawm tag nrho cov fluorine-muaj PI diamine monomers.
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