Khoom Description
Khoom npe: 2 4-Difluorophenylacetic acid
CAS: 81228-09-3 Nr
IB: 279-709-4
Melting point: 115-118℃(lit.)
Kub taw tes: 219℃(nrawm kwv yees)
Qhov ceev: 1.3010 (kwv yees)
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. Ua raws li qhov nruab nrab tseem ceeb rau kev sib txuas ntawm Sitagliptin thiab lwm yam tshuaj kho mob ntshav qab zib hom 2.
2. Ua haujlwm rau 2 4-Difluorophenylacetic acid CAS 81228-09-3 ua lub tsev tseem ceeb rau kev tsim tshuaj tua kab thiab tshuaj tua kab nrog kev xaiv qoob loo zoo dua.
3. Muaj nuj nqi ua ib qho reagent rau kev npaj 2,4-difluoro-substituted aromatic derivatives nyob rau hauv zoo organic synthesis.
4. Ua haujlwm rau 2 4-Difluorophenylacetic acid CAS 81228-09-3 ua tus thawj coj los tsim cov khoom tshwj xeeb fluorinated xws li kua muaju thiab cov khoom siv polymers.
Cia thiab ceev faj
1. Khaws rau hauv cov thawv ntim amber kaw ntawm 10-25℃hauv qhov txias, qhuav thiab zoo- qhov cua qhov chaw deb ntawm lub teeb.
2. Khaws 2 4-Difluorophenylacetic acid CAS 81228-09-3 cov tshuaj kom deb ntawm tshav kub, muaj zog hauv paus thiab oxidants los tiv thaiv decomposition thiab tshuaj tiv thaiv txaus ntshai.
3. Hnav cov hnab looj tes nitrile, tsom iav tiv thaiv tshuaj lom neeg thiab lub tshuab nqus plua plav thaum lub sijhawm ua haujlwm hnyav thiab hloov chaw.
4. Zam tsis txhob 2 4-Difluorophenylacetic acid CAS 81228-09-3 tiv nrog daim tawv nqaij, qhov muag thiab ua pa; pov tseg cov pov tseg los ntawm cov tuam txhab uas muaj ntawv tso cai pov tseg tshuaj lom neeg.
Dab tsi yog qhov txiaj ntsig ntawm kev noj 2 4-Difluorophenylacetic acid?
1. 2,4-difluoro substituents txhim kho cov metabolic stability thiab bioactivity ntawm lub hom phiaj kws tshuaj thiab agrochemical khoom.
2. Carboxyl pab pawg ua haujlwm ua kom muaj txiaj ntsig zoo esterification, amidation thiab coupling kev cuam tshuam rau kev hloov kho ntxiv.
3. Muab pov thawj 2 4-Difluorophenylacetic acid CAS 81228-09-3 zoo solubility nyob rau hauv polar organic solvents xws li methanol thiab DMSO rau ntau hom tshuaj tiv thaiv.
4. Muab siab purity thiab zoo ib yam reactivity haum rau ob qho tib si lab -scale R & D thiab loj -scale industrial manufacturing.
Cov ntaub ntawv kev nyab xeeb
2 4-Difluorophenylacetic acid CAS 81228-09-3 raug cais raws li kev ua xua (H315, H319, H335) ua rau tawv nqaij, qhov muag thiab ua pa ua pa. Nws yog incompatible nrog muaj zog hauv paus thiab oxidants; Kev sib xyaw tsis raug tuaj yeem ua rau decomposition lossis tso tawm ntawm cov pa taws. Cov khoom siv tuaj yeem tsim cov plua plav thaum tuav, ua rau muaj kev phom sij rau kev nqus pa; Kev raug ncua ntev yuav ua rau cov nqaij ntshiv hauv zos. Nws tsis raug cais raws li cov kua hluav taws xob, tab sis cov cua kub kub tuaj yeem tsim cov khoom puas tsuaj.
Yam khoom pom zoo
| Cov khoom | Khoom npe |
| 1 | 2 3 4-Trifluorobenzonitrile CAS 143879-80-5 |
| 2 | 2 4-Difluorobenzyl Chloride CAS 452-07-3 |
| 3 | 2 2-Bis (4-Aminophenyl) Hexafluoropropane CAS 1095-78-9 |
| 4 | 2′ -Methylacetoacetanilide CAS 93-68-5 |
| 5 | Chloroiodomethane CAS 593-71-5 |
| 6 | Ethylenediaminetetraacetic Acid Tetrasodium ntsev / EDTA Tetrasodium / EDTA-4NA CAS 64-02-8 |
| 7 | 4-Butylbenzoic Acid CAS 20651-71-2 |
| 8 | Tom ntej: 3-Amino-2-Fluorobenzoic Acid CAS 914223-43-1 |
| 9 | Zinc Acetate Dihydrate CAS 5970-45-6 |
| 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 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 4-difluorophenylacetic acid CAS 81228-09-3, Tuam Tshoj 2 4-difluorophenylacetic acid cas 81228-09-3 manufacturers, lwm tus neeg, Hoobkas
