Khoom Description
Khoom npe: 2 5-Dimethyl pyrazine
CAS: 123-32-0 Nr
MF: C6H8N2
PIB: 108.14
PIB: 204-618-3
Melting point: 15 degree
Kub taw tes: 155℃(lit.)
Ceev: 0.99 g / mL ntawm 25℃(lit.)
Refractive Index: N20 / D 1.502 (lit.)
Specification
| Cov khoom | Specifications |
| Qhov tshwm sim | Colorless pob tshab kua |
| Purity | 99% |
| Cia temp. | Inert cua, Chav Kub |
| Pob | 25 kg / nruas los yog 200 kg / nruas |
Daim ntawv thov
1. Ua haujlwm 2 5-Dimethyl pyrazine CAS 123-32-0 ua cov khoom noj qab zib ntxiv tau pom zoo los ntawm GB 2760, muab cov txiv laum huab xeeb ci, chocolate thiab kas fes sau rau cov khoom noj txom ncauj, dej haus thiab cov nqaij ua tiav.
2. Ua haujlwm rau 2 5-Dimethyl pyrazine ua ib qho tseem ceeb nruab nrab rau kev sib txuas cov dyes thiab cov khoom xyaw tshuaj hauv kev tsim tshuaj zoo.
3. Ua haujlwm raws li cov tshuaj tsw qab hauv cov khoom siv tu txhua hnub los txhim kho cov ntxhiab tsw qab sov, nutty.
Cia thiab ceev faj
Khaws 2,5-dimethylpyrazine (CAS 123-32-0, tsis muaj xim rau cov kua daj daj, nutty aroma, flash point ~ 70 degree, combustible) nyob rau hauv kaw amber iav ntim ntawm 15-25℃nyob rau hauv inert gas cua. Cais tawm los ntawm cov dej noo thiab muaj zog oxidants los tiv thaiv kev degradation zoo. Hnav hnab looj tes nitrile thiab looj tsom iav dub; zam kev nqus pa, daim tawv nqaij / qhov muag thiab kev noj tshuaj kom tsis txhob muaj kev phom sij thiab lom. Reseal nruj nreem tom qab siv; pov tseg cov pov tseg raws li cov cai hauv zos.
Dab tsi yog qhov txiaj ntsig ntawm kev noj 2 5-Dimethyl pyrazine?
2,5-Dimethylpyrazine yog cov khoom noj qab zib ntxiv, cov tshuaj nruab nrab thiab cov tshuaj tsw qab, tsis yog rau tib neeg noj hauv daim ntawv ntshiab.; Kev noj zaub mov tsis zoo yog tshuaj lom (rat qhov ncauj LD₅₀=1020 mg/kg) thiab tej zaum yuav ua rau mob plab hnyuv thiab ua rau muaj kab mob lom.
Hauv cov ntawv thov kev tswj hwm, 2 5-Dimethyl pyrazine CAS 123-32-0 enriches lub tsw ntawm cov khoom noj khoom haus, txhawb kev tsim cov dyes thiab tshuaj, thiab optimizes tus ntxhiab ntawm cov khoom tu txhua hnub.
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 5-dimethyl pyrazine cas 123-32-0, Tuam Tshoj 2 5-dimethyl pyrazine cas 123-32-0 manufacturers, lwm tus neeg, Hoobkas
