CAS: 3859-41-4 Cyclopentane-1,3-dione

Cov tshuaj sib xyaw ua ke rau CAS 3859-41-4 yog Cyclopentane-1,3-dione, nrog rau cov mis mos ntawm C5H6O2 thiab molecular hnyav ntawm 98.10 g / mol. Nws yog ib qho dawb mus rau dawb crystalline hmoov uas yog nyob rau hauv chav tsev kub thiab muaj ib tug faint yam ntxwv tsw.

Lub melting point ntawm Cyclopentane-1,3-dione yog 149-151 degree, lub boiling point yog hais txog 221.8℃(ib txwm siab), thiab qhov ceev yog 1.2 g / cm³. Nws yog me ntsis soluble hauv dej, tab sis yooj yim soluble hauv cov kuab tshuaj organic xws li ethanol, ether, thiab chloroform, thiab muaj solubility siab hauv DMSO thiab ethyl acetate.

Kev siv:

Cyclopentane-1,3-dione yog ib qho tseem ceeb nruab nrab ntawm kev sib txuas ntawm cov tshuaj tiv thaiv kab mob, tshuaj tua kab mob, thiab cov tshuaj tiv thaiv kab mob. Piv txwv li, enaminones tsim los ntawm cov tshuaj tiv thaiv nrog amines muaj peev xwm ua kom muaj zog tiv thaiv kab mob.
Hais txog cov ntaub ntawv tshawb fawb, Cyclopentane-1,3-dione koom nrog hauv kev sib xyaw ntawm cov khoom siv polymer xws li polyester thiab polyurethane, txhim kho lawv cov thermal stability thiab cov khoom siv kho tshuab; Nyob rau tib lub sijhawm, raws li cov qauv tsim ntawm cov kua siv lead ua kua molecules, nws cuam tshuam rau cov khoom siv kho qhov muag ntawm cov ntaub ntawv.

Txoj Kev Npaj:

Ib txoj hauv kev los npaj cyclopentane-1,3-dione yog tau los ntawm kev txo cov propanedione los ntawm cov tshuaj tiv thaiv catalytic hydrogenation. Txoj kev no ntiav cov catalyst, xws li npib tsib xee lossis palladium, kom ntseeg tau tias muaj txiaj ntsig zoo thiab xaiv tau.

Tam sim no peb cov khoom raug xa tawm mus rau ntau tshaj 30 lub teb chaws thiab cheeb tsam xws li Holland, Is Nrias teb, Australia, thiab lwm yam, txaus siab rau lub koob npe nrov thiab muaj koob npe nrov hauv thoob ntiaj teb. Peb lub tuam txhab tau tsim kho sai heev thiab tam sim no tau dhau los ua ib qho - nres tus neeg yuav khoom thiab muab kev pabcuam rau ntau tus neeg siv khoom thoob ntiaj teb. Tau ntsib ntau lub cib fim thiab kev cov nyom yav tom ntej, peb yuav muaj lub tswv yim tshiab thiab pragmatic, thiab ua kom tsis muaj zog.

Koj muab cov ntaub ntawv dab tsi?

Nquag, peb muab cov ntawv xa nyiaj ua lag luam, cov ntawv ntim khoom, daim ntawv teev npe, COA, daim ntawv pov thawj ntawm lub hauv paus, Yog tias koj lub khw muaj tej yam tshwj xeeb, thov qhia rau peb paub.

Qhov chaw nres nkoj ntawm kev thauj khoom nyob qhov twg?

Feem ntau Tianjin chaw nres nkoj lossis Qingdao chaw nres nkoj.

Koj puas muab cov qauv?

Cov qauv tuaj yeem pub dawb rau feem ntau ntawm peb cov khoom. Thov them tus nqi nthuav tawm.

Koj lub sijhawm ua haujlwm rau kev txiav txim tshiab yog dab tsi?

Rau feem ntau cov khoom peb muaj nyob rau hauv Tshuag, lub sij hawm tus me nyuam yuav yog 3-5 hnub ua hauj lwm tom qab tau txais cov nyiaj them poob haujlwm. Thov tham ntxiv txog cov khoom customized.

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