Cov khoom lag luam
Cov tshuaj uas coj tus lej ntawm tus lej 541-16-2 yog di-tert-butyl malonate, tseem hu ua 1, {} di-tert-butyl propanedioate. Nws cov mis molecular yog c₁₁h₂₀o₄ thiab nws cov molecular hnyav yog 216.274.
Di-tert-butyl malonate yog pob tshab tsis muaj xim rau cov kua daj me ntsis. Nws qhov ntom yog 1. {{3} {{{} {} {} {12}} {12}}}}}} degree, lub nyem 88.9 ± {{0. {0 degree, lub refrathat index yog 1.433. Nws yog ib qho nyuaj soluble hauv dej, thiab lub vapor siab yog {21}}. 1 ± 0.4 mmHg ntawm 25 degree.
Cov ntaub ntawv yooj yim
| Khoom npe | 99% purity cobalt bis (2- Ethylhexuamoate) rau DesicCant CAS {2}} |
| Cas | 136-52-7 |
| Mf | C16h30coo4 |
| Mw | 345.34 |
| Einecs | 205-250-6 |
| Ceev | 1.002 g / ml ntawm 25 degree |
| Vapor siab | 5PA ntawm 25ºC |
| Fp | 104 Degree F |
| Puab | kua |
| Xim | xim paj yeeb |
| Dej solubility | 40.3g / l ntawm 20ºC |
| Yam ntim | 200kg / nruas |
Kev siv
Organic synthesis Qib: Di-tert-butyl malonate tuaj yeem siv rau kev sib txuas ntawm qee cov nyom cov organic. Piv txwv li, raws li kev ua ntawm reagents xws li cesium carbonate, p-toluenesulforyl azide, nws tuaj yeem koom nrog kev tawm tsam ntawm chav tsev kub los npaj di-tertzomalonate, thiab lwm yam.
Cov Ntaub Ntawv Kev Nyab Xeeb
Kev Nyab Xeeb Nqe Cai: 36/37/38
Cov lus qhia kev nyab xeeb: S23 (tsis txhob nqus pa taws); S24 / 25 (Zam kev sib cuag nrog tawv nqaij thiab qhov muag)
Tuam txhab tau
Gnee Chem yog kev nkag rau cov kev tshawb fawb, kev txhim kho, ntau lawm thiab muag ntawm lub xeev Henan, npog thaj tsam ntawm 3,600 square metres. Peb muaj tus kws tshaj lij, zoo-nruab nrog thiab cov pab pawg R & D muaj ntau dua 10 xyoo ntawm R & D kev paub. Peb cov khoom tau dav exported rau ntau lub tebchaws, xws li Tebchaws Asmeskas, Tebchaws Russia, Tebchaws Asmeskas, Tebchaws Asmeskas, thiab peb muab cov qhua tuaj noj mov nrawm. Peb cia siab tias tsim kev sib koom tes ntev thiab muaj kev sib koom tes sib koom tes nrog cov phooj ywg ntxiv yav tom ntej, thiab muab cov khoom lag luam thiab cov kev pabcuam zoo tshaj rau peb cov neeg siv khoom.
Tiv Tauj Peb
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Cov FAQ
Koj lub tuam txhab puas tuaj yeem lees txais customization thiab ua kom tau raws li cov neeg siv khoom tshwj xeeb?
Yog lawm, peb tuaj yeem ua tau.
Koj cov nqe lus them nqi yog dab tsi?
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Koj lub sijhawm khoom xa tuaj yog dab tsi?
Peb feem ntau nkoj tsis pub dhau 1-3 hnub tom qab tau txais koj cov nyiaj them poob haujlwm.
Cim npe nrov: 99% purity cobalt bis (2-}}}}}}} Cov chaw tsim khoom, cov chaw tsim khoom, Hoobkas
