Khoom Description
Khoom npe: 4,4'-Azobis (4-cyanovaleric acid)
CAS: 2638-94-0 Nr
PIB: 220-135-0
Melting point: 118-125℃(dec.) (lit.)
Kub taw tes: 423℃(nrawm kwv yees)
Qhov ceev: 1.2464 (nruab nrab kwv yees)
Refractive Index: 1.6081 (kwv yees)
Cia kub: 2-8 degree
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. 4,4'-Azobis(4-cyanovaleric acid) yog dej- soluble azo pib siv los tsim carboxyl-functionalized dawb radicals rau polymerization cov tshuaj tiv thaiv, xws li cov synthesis ntawm polyacrylonitrile (PAN) nrog txhim kho hydrophilicity .
2. 4,4'-Azobis(4-cyanovaleric acid) CAS 2638-94-0 yog ua haujlwm nyob rau hauv biomedical tshawb fawb raws li ib tug thermosensitive linker nyob rau hauv lub tshuab xa tshuaj, ua kom tswj tau tso tawm cov tshuaj kho nyob rau hauv alternating magnetic teb.
3. 4,4'-Azobis (4-cyanovaleric acid) ua haujlwm raws li peroxyl radical qhov chaw hauv oxidative kev nyuaj siab tshawb nrhiav kev puas tsuaj rau biomolecules xws li hemoglobin thiab tryptophan .
Cia thiab ceev faj
1. Khaws 4,4'-Azobis (4-cyanovaleric acid) nyob rau hauv lub thawv kaw nruj nreem nyob rau hauv inert roj ntawm tub yees kub (2-8 degree) kom ruaj khov thiab tiv thaiv decomposition .
2. Khaws 4,4'-Azobis (4-cyanovaleric acid) CAS 2638-94-0 nruj me ntsis kom deb ntawm tshav kub, sparks, qhib nplaim taws, thiab muaj zog oxidizing cov neeg ua hauj vim nws cov nplaim hluav taws kub (H228).
3. Kov 4,4'-Azobis(4-cyanovaleric acid) siv cov cuab yeej tiv thaiv tus kheej tsim nyog suav nrog tshuaj lom neeg- hnab looj tes tiv thaiv thiab tsom iav kev nyab xeeb, thiab ua haujlwm hauv qhov chaw muaj cua kom tsis txhob muaj plua plav.
Kev kub ceev teb rau cov dej xau
1. cais thaj chaw nchuav, tshem tawm tag nrho cov khoom siv hluav taws xob, thiab siv cov cuab yeej uas tsis yog-tua hluav taws los cheb cov khoom 4,4'-Azobis (4-cyanovaleric acid) rau hauv cov thawv ntim khoom, cov ntawv lo pov tseg.
2. Tiv thaiv kom tsis txhob nchuav 4,4'-Azobis(4-cyanovaleric acid) CAS 2638-94-0 los ntawm kev nkag mus rau hauv cov dej los yog txoj kev dej, raws li tso tawm mus rau hauv ib puag ncig yuav tsum tau nruj me ntsis zam.
3. Cov neeg ua haujlwm tu 4,4'-Azobis (4-cyanovaleric acid) spills yuav tsum hnav cov cuab yeej tiv thaiv tag nrho nrog rau lub tshuab ua pa kom tsim nyog thiab pov tseg cov khoom pov tseg raws li cov khoom siv phom sij (UN3226, Chav Kawm 4.1, PG II).
Cov ntaub ntawv kev nyab xeeb
1. 4,4'-Azobis (4-cyanovaleric acid) yog ib qho khoom tawg yooj yim (H228) nrog GHS teeb liab lo lus "Danger" lossis "Carning" nyob ntawm kev faib tawm, thiab tej zaum yuav decompose exothermically thaum cua sov.
2. 4,4'-Azobis (4-cyanovaleric acid) CAS 2638-94-0 ua rau tawv nqaij khaus (H315), khaus qhov muag loj (H319), thiab tej zaum yuav ua rau ua pa ua pa (H335).
3. combustion ntawm 4,4'-Azobis(4-cyanovaleric acid) tsim cov pa phem xws li carbon oxides thiab nitrogen oxides; 4,4'-Azobis (4-cyanovaleric acid) muaj cov ntsiab lus yaj ntawm 118-125℃thiab qhov ceev ntawm 1.23 g / cm³.
Yam khoom pom zoo
| Cov khoom | Khoom npe |
| 1 | 2-Chlorobenzoic acid CAS 118-91-2 |
| 2 | 2-Chlorobenzonitrile CAS 873-32-5 |
| 3 | Sodium amide CAS 7782-92-5 |
| 4 | 1 3 5-Tribromobenzene CAS 626-39-1 |
| 5 | Tom ntej: 3-Methyl-8-quinolinesulphonyl Chloride CAS 74863-82-4 |
| 6 | Tom ntej: Dimethyl Acetylenedicarboxylate CAS 762-42-5 |
| 7 | Tom ntej: Dimethylglyoxime CAS 95-45-4 |
| 8 | Factory Supply Succinic Anhydride CAS 108-30-5 |
| 9 | Tom ntej: Butyltriphenylphosphonium Bromide CAS 1779-51-7 |
| 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 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.
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 taw qhia kev, thiab lwm yam.
Tiv tauj peb
Cim npe nrov: 4 4'-azobis(4-cyanovaleric acid) cas 2638-94-0, Tuam Tshoj 4 4'-azobis(4-cyanovaleric acid) cas 2638-94-0 manufacturers, lwm tus neeg, Hoobkas
