Khoom Description
Khoom npe: Pyrazine
CAS: 290-37-9 Nr
PIB: 206-027-6
Melting point: 50-56℃(lit.)
Kub taw tes: 115-116℃(lit.)
Ceev: 1.031 g / mL ntawm 25℃(lit.)
Specification
| Cov khoom | Specifications |
| Qhov tshwm sim | Tsis muaj xim thiab pob tshab kua |
| Purity | 99% |
| Cia temp. | Khaws hauv qab +30℃. |
| Pob | 1 kg / hnab, 20 kg / nruas, 25 kg / nruas |
Daim ntawv thov
1. Pyrazine yog siv dav hauv cov khoom noj khoom haus, haus luam yeeb flavoring, dej haus thiab khoom noj txom ncauj seasonings.
2. Pyrazine CAS 290-37-9 yog siv rau hauv cov tshuaj intermediates, tshuaj tua kab mob thiab tshuaj tua kab mob.
3. Pyrazine yog siv rau hauv cov organic synthesis, polymer additives thiab tshuaj tshawb fawb reagents.
Cia thiab ceev faj
1. Pyrazine yuav tsum muab cia rau hauv qhov chaw txias, qhuav, zoo - qhov cua qhov chaw ntawm qhov qis dua lossis sib npaug li 25℃.
2. Khaws Pyrazine CAS 290-37-9 kom deb ntawm tshav kub, qhib nplaim taws, hluav taws xob zoo li qub thiab muaj zog oxidizing cov neeg ua haujlwm.
3. Khaws cov thawv ntim ntawm Pyrazine kom nruj kom tsis txhob muaj kev kub ntxhov thiab kis kab mob.
Cov ntaub ntawv kev nyab xeeb
1. Pyrazine yog flammable thiab nws cov vapor tuaj yeem tsim cov khoom tawg nrog cua.
2. Pyrazine CAS 290-37-9 ua rau khaus rau qhov muag, tawv nqaij thiab ua pa ib ntsuj av tau thaum sib cuag.
3. Pyrazine tuaj yeem ua rau mob taub hau, kiv taub hau lossis xeev siab yog tias nqus tau qhov siab.
Cov txiaj ntsig ntawm Kev Siv
1. Pyrazine ua raws li ib qho tseem ceeb muaj ntxhiab heterocyclic intermediate rau tshuaj thiab tsw synthesis.
2. Pyrazine CAS 290-37-9 muab cov yam ntxwv aroma thiab reactivity rau zaub mov fragrance thiab tshuaj ntau lawm.
3. Pyrazine muaj kev ruaj ntseg zoo thiab siab purity hauv kev siv tshuaj zoo thiab tshuaj.
Yam khoom pom zoo
| Cov khoom | Khoom npe |
| 1 | D-Aspartic acid CAS 1783-96-6 |
| 2 | 1-Hexadecylpyridinium bromide CAS 140-72-7 |
| 3 | 5-Fluorouracil CAS 51-21-8 |
| 4 | 6-aminonicotinic acid CAS 3167-49-5 |
| 5 | N{0}}Hydroxysuccinimide NHS CAS 6066-82-6 |
| 6 | 1-methylpyrrolidine CAS 120-94-5 |
| 7 | L-Theanine CAS 3081-61-6 |
| 8 | N-Hydrophthalimide/NOP CAS 524-38-9 |
| 9 | L-Phenylglycine CAS 2935-35-5 |
| 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 hom 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 tus nqi 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.
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: Tuam Tshoj pyrazine cas 290-37-9 manufacturers, lwm tus neeg, Hoobkas
