Khoom Description
Khoom npe: Tosyl cyanide
CAS: 19158-51-1 Nr
PIB: 242-849-1
Melting point: 47-50℃(lit.)
Kub taw tes: 105-106℃/ 1 mmHg (lit.)
Qhov ceev: 1.3055 (nruab nrab kwv yees)
Refractive Index: 1.5650 (kwv yees)
Fp: >230℃F
Specification
| Cov khoom | Specifications |
| Qhov tshwm sim | Tsis muaj xim thiab pob tshab kua |
| Purity | 99% |
| Cia temp. | 2-8 degree |
| Pob | 1 kg / hnab, 20 kg / nruas, 25 kg / nruas |
Daim ntawv thov
1. Ua raws li tus neeg sawv cev electrophilic cyanating rau kev npaj polyfunctional nitriles hauv organic synthesis.
2. Pab Tosyl cyanide CAS 19158-51-1 ua reagent rau dawb-radical cyanation ntawm -alkylcatecholboranes los ua alkyl nitriles.
3. Ua haujlwm raws li lub tsev thaiv rau kev sib txuas 4-hydroxypyridines ntawm hetero-Diels-Alder cov tshuaj tiv thaiv.
Cia thiab ceev faj
1. Khaws rau hauv cov thawv airtight ntawm 2-8℃hauv qhov tsaus, qhuav, thiab qhov cua zoo kom tsis txhob nqus dej.
2. Khaws Tosyl cyanide CAS 19158-51-1 kom deb ntawm cov hauv paus muaj zog, amines, thiab txo cov tshuaj tiv thaiv kom tsis txhob muaj kev kub ntxhov los yog decomposition.
3. Siv rau hauv lub hood fume thiab hnav cov kua qaub-cov hnab looj tes tiv thaiv, daim npog ntsej muag, thiab lub tsho tiv no thaum tuav.
Dab tsi yog qhov txiaj ntsig ntawm kev noj Tosyl cyanide?
1. Ua kom muaj txiaj ntsig zoo thiab xaiv cov tshuaj tiv thaiv cyanation nrog kev ua haujlwm siab ua haujlwm siab.
2. Ua kom yooj yim Tosyl cyanide CAS 19158-51-1 cov synthesis ntawm complex organic molecules nrog tsawg dua cov kauj ruam, txuag lub sij hawm thiab nqi.
3. Muab kev ua haujlwm ruaj khov nyob rau hauv cov kev tswj xyuas, kom ntseeg tau tias cov txiaj ntsig zoo sib xws.
Cov ntaub ntawv kev nyab xeeb
- GHS Kev faib tawm: Corrosive (GHS05, C), teeb meem yog nqus tau / tiv tauj (GHS07).
- Cov Lus Ceeb Toom: H314 (Ua rau tawv nqaij kub hnyiab thiab qhov muag puas); H332 (teeb meem yog tias nqus tau).
- Risk Tosyl cyanide CAS 19158-51-1 Nqe lus: R20/21 (Tshuaj lom los ntawm kev nqus pa thiab sib chwv ntawm daim tawv nqaij); R34 (Ua rau hlawv).
- Cov kab lus nyab xeeb: S26 (Yau qhov muag nrog dej rau 15 feeb); S27 ( Tshem tawm cov khaub ncaws tsis huv tam sim); S28 (ntxuav daim tawv nqaij nrog xab npum thiab dej tom qab sib cuag); S36/37/39 ( Hnav khaub ncaws tiv thaiv, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag); S45 (Nrhiav kev pab kho mob thaum muaj xwm txheej).
- UN Number: UN3261 (Corrosive solid, acidic, organic, nos), tswj kev thauj mus los.
Yam khoom pom zoo
| Cov khoom | Khoom npe |
| 1 | Bisphenol E Cyanate Ester / 1 1-Bis (4-Cyanatophenyl) Ethane CAS 47073-92-7 |
| 2 | Bisphenol M Cyanate Ester CAS 127667-44-1 |
| 3 | Accelerator TBTD CAS 1634-02-2 |
| 4 | 2 4-Difluorobenzoic Acid CAS 1583-58-0 |
| 5 | 2 5-Difluorophenol CAS 2713-31-7 |
| 6 | 2 5-Difluorobenzoic Acid CAS 2991-28-8 |
| 7 | N-Methyl-2-Fluoroaniline CAS 1978-38-7 |
| 8 | 2 5-Difluoroaniline CAS 367-30-6 |
| 9 | 2 6-Difluoroaniline CAS 5509-65-9 |
| 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: Tuam Tshoj Tosyl Cyanide CAS 19158-51-1 Chaw tsim tshuaj paus, lwm tus neeg, Hoobkas
