CAS: 39603-24-2|5,7-Dimethylindoline-2,3-dione

Cov khoom sib txuas ntawm CAS No. 39603-24-2 yog 5,7-Dimethylindoline-2,3-dion, tseem hu ua 5,7-Dimethylisatin, molecular mis C₁₀H₉NO₂, molecular hnyav 175.184, tsos yog xim liab mus rau xim liab-xim av 2 index 4, zoo li 1. degree, ceev 1.25g / cm³.Nws muaj zoo solubility nyob rau hauv acidic tej yam kev mob, tab sis tsis zoo solubility nyob rau hauv alkaline tej yam kev mob. Lub compound yog qhov ruaj khov nyob rau hauv lub xeev qhuav, tab sis maj mam decomposes nyob rau hauv lub teeb.

Kev siv:
5,7-Dimethylindoline-2,3-dione yog siv los ua cov organic dyes. Nws muaj cov khoom zoo dyeing ntawm txhob lo lo ntxhuav, paj rwb ntaub, ntawv thiab lwm yam ntaub ntawv. Cov tshuaj no kuj tseem siv tau los npaj cov xim, inks, yas dyes, thiab lwm yam.
Txoj Kev Npaj:
5,7-Dimethylindoline-2,3-dione tuaj yeem ua ke los ntawm cov tshuaj tiv thaiv ntawm p-thiourea thiab sodium p-tolyl. Thiourea yog reacted nrog dimethylcarbamide los ua N, N'-dimethylurea. Tom ntej no, urea compound yog cuam tshuam nrog sodium p-tolyl thiab acid hydrolysed muab 5,7-dimethylisatin.

Gnee Chem tau tsim muaj nyob rau hauv 2014, headquartered nyob rau hauv Anyang City, Henan xeev, nrog ntau ntau lawm puag. Nws tau tsim PTC thiab kev kho dej tub txib saum ntuj ua, synthesis thiab pilot cog, tsom xam thiab daim ntawv thov labs los tuav nws txoj haujlwm tseem ceeb hauv kev siv tshuab. Peb muab cov kev pab cuam xws li kev faib tawm ntawm - lub hom phiaj reagents, customization thiab kev loj hlob ntawm non-general- lub hom phiaj reagents. Lub tuam txhab muaj ib pawg kws tshaj lij uas tau koom nrog hauv kev tsim kho thiab tsim cov tshuaj zoo rau lub sijhawm ntev, nrog rau -chaw kuaj R & D thiab pilot plant.

Lub sijhawm khoom xa tuaj yog dab tsi?

Rau feem ntau cov tshuaj peb muaj nyob rau hauv Tshuag, nws yuav siv sij hawm li 1-3 hnub tom qab them nyiaj paub meej.

Koj puas tuaj yeem tsim cov khoom lag luam?

Yog lawm, peb muaj cov kws tshaj lij uas tuaj yeem tsim cov khoom lag luam rau peb cov neeg siv khoom.

Kuv tuaj yeem tshawb xyuas qhov zoo ntawm cov khoom ua ntej muab qhov kev txiav txim?

Koj tuaj yeem tau txais cov qauv dawb ntawm qee cov khoom, koj tsuas yog yuav tsum tau them tus nqi thauj khoom lossis npaj xa tuaj tos cov qauv ntawm peb.

Kuv puas tuaj yeem tau txais qee qhov qauv?

Yog lawm, peb tuaj yeem muab cov qauv dawb, koj tsuas yog yuav tsum tau them tus nqi thauj khoom.

Yuav them li cas?

Tom qab lees paub qhov kev txiav txim, peb yuav xa PI ua ntej nrog peb cov ntaub ntawv hauv tuam txhab nyiaj. Txoj kev them nyiaj yog: Paypal, T / T, Western Union Tsab Ntawv Teev Tseg, Alibaba Trade Guarantee.

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