Hordhac Dhamaystiran

3,4{{3}Dihydro-2H-pyran (DHP, CAS 110-87-2)' waa dareere aan midab lahayn, holcaya oo leh ur khafiif ah oo u eg eter wuxuuna u adeegaa sidii dhex dhexaad u ah isku dhafka dabiiciga ah. Iyada oo ah lix xubnood oo heterocyclic ether ah, DHP waxaa sida ugu wanaagsan loogu yaqaanaa doorka ay ku leedahay ilaalinta hawlaha alkolada iyada oo loo marayo samaynta tetrahydropyranyl (THP) ether. Tani waxay ka dhigaysaa mid aan looga maarmin isku-darka tillaabooyin badan oo dawooyin ah, alaabada dabiiciga ah, iyo kiimikooyinka gaarka ah.

Lagu soo saaray iyada oo loo marayo hydrogenation katalytic of dihydropyran ama biomass{0}furfural laga soo qaatay, DHP waxa ay si fiican ula jaan qaadaysaa baahiyaha kimistari waara. Astaamaha xudunta u ah - xasiloonida saldhiga, dareenka aysiidhka, iyo isbeddelka -sidoo kale waxay taageertaa codsigeeda resins, dahaarka, iyo soosaarka kiimikaad ee wanaagsan.

Faahfaahinta Alaabta

Magaca Alaabta	3,4{{3}Dihydro-2H-pyran CAS 110-87-2
CAS NO.	110-87-2
La mid ah	DHP
Qaanuunka molecular	C₅H₈O
Koodhka HS	2932999099
Qaab-dhismeedka

Tilmaamid

Walxaha	Heerka
Muuqashada	dareere hufan oo aan midab lahayn
daahir (%)	Ka weyn ama la mid ah 98.5
Qoyaanka (%)	In ka yar ama la mid ah 0.25
THP(%)	1.3 max
Barta Fiishka	~ -6 darajo (koob xiran)
ur	Ether{0}}jecel
Baakadaha	180 kg durbaanno, dhalooyin shaybaar
Cufnaanta (g/cm³)	0.922

Isticmaalka & Shaqada Muhiimka ah ee 3,4-Dihydro-2H-pyran CAS 110-87-2

(Dhexdhexaadka Wanaagsan ee Isku-dhafka Sare)

Ilaalinta Khamriga ee Isku-dhafka dabiiciga ah:

DHP waxay samaysaa THP ethers oo leh alkolada hoos yimaada catalysis aashito khafiif ah, taasoo ka dhigaysa alkolada kuwo aan shaqaynayn nucleophiles iyo saldhigyada inta lagu jiro hababka isku dhafan ee isku dhafan. Kooxaha THP si fudud ayaa looga saarayaa iyadoo la isticmaalayo asiidh-dilute ah.

Isku-darka Dawooyinka Tallaabo badan leh:

Waxaa loo adeegsaday isku dhafka steroids, HIV-ga kahortaga protease-ka, iyo antibiyootiga macrolide iyadoo si door ah loo daboolayo kooxaha hydroxyl.

Dhexdhexaadka Kiimikada Warshadaha:

Horudhac u ah isku dhafka dhadhanka, udgoonka (tusaale, xeryahooda Miskiga), iyo kiimikooyinka beeraha.

Polymer iyo Resin Chemistry:

Waxay siisaa blocks-dhismaha ether-ka wareegyada ah ee loogu talagalay -dahaarka waxqabadka sare iyo UV{1}}nidaamyada la daweyn karo.

Biyomass -Molecule Platform La Soo Saaray:

DHP waxaa laga soo minguurin karaa furfural, taasoo ka dhigaysa mid dhex dhexaad ah bio{0}}

Awood-soo-saarka

34-Dihydro-2H-pyran

Buuxa-Shahadooyinka Badbaadada Wareegga

34-Dihydro-2H

Codsiyada Alaabta lagu taliyay

Isku-darka dawooyinka (tusaale, erythromycin, corticosteroids)

Dhexdhexaadiyaha Agrochemical

Ilaalinta sonkorta ee kiimikada karbohaydraytyada

UV-daaha la daweyn karo iyo - resins sare

Isku dhafka shidaalka (tusaale, dariiqa solketal)

Horumarinta isku dhafka udgoonka

Isbarbardhigga DHP ee darajooyinka kala duwan:

Baakad:
Lagu shaabadeeyey: 180 kg durbaannada (warshad), 1L/5L dhalooyin (qiyaasta shaybaadhka)

FAQ

S: Waa maxay isticmaalka ugu weyn ee DHP ee kimistariga dabiiciga ah?

J: Ugu horrayn waxaa loo isticmaalaa in lagu ilaaliyo kooxaha aalkolada sida THP ethers inta lagu jiro isku-dhafka. Tani waxay u oggolaaneysaa falcelin xulasho ah inay dhacaan iyada oo aan la faragelin kooxaha hydroxyl.

S: DHP ma laga soo qaatay ilo dib loo cusboonaysiin karo?

J: Haa. DHP waxaa laga soo saari karaa furfural, kaas oo laga keeno qashinka biomass-beeraha sida galleyda iyo bagaashka.

S: Sidee looga saaray kooxda THP?

J: Kooxaha THP waa laga saarayaa iyadoo la isticmaalayo aashitada aqueous-ka ah ee la milo, iyadoo dib loo soo nooleynayo aalkolada asalka ah iyadoo leh falcelino dhinaca ugu yar.

Tilmaamid

Walxaha	Heerka
Muuqashada	dareere hufan oo aan midab lahayn
daahir (%)	Ka weyn ama la mid ah 98.5
Qoyaanka (%)	In ka yar ama la mid ah 0.25
THP(%)	1.3 max
Barta Fiishka	~ -6 darajo (koob xiran)
ur	Ether{0}}jecel
Baakadaha	180 kg durbaanno, dhalooyin shaybaar
Cufnaanta (g/cm³)	0.922