3,4-Dihydro-2H-pyran CAS 110-87-2

Khoom Piav Qhia:

Khoom Lub Npe: 3,4-Dihydro-2H-pyran CAS TSIS TAU: 110-87-2

Lub ntsiab lus:

3,4-2H-dihydropyran;

2H-Pyran, 3,4-dihydro-;

2,3-dihydropyran;

Tshuaj& Lub Cev Muaj Zog:

Tshwm sim: Cov kua tsis muaj kob

Kev Ntsuas: ≥99.00%

Ceev: 0.922

Kub taw tes: 86 ℃

Melting Point: -70 ℃

Flash Point: -9 ℃

Refractive Index: 1.4405-1.4425

Dej Solubility: 20 g/L (20 ℃)

Kev ruaj ntseg: ruaj khov nyob rau hauv qhov kub thiab txias ib txwm muaj.

Kev Cia Cia: Cheeb tsam nplaim taws

Vapor Ceev: 2.9 (vs huab cua)

Vapor Siab: 74.4mmHg ntawm 25 ℃

Cov Ntaub Ntawv Kev Nyab Xeeb:

Chav Kawm Muaj Kev Nyab Xeeb: 3

Cov Lus Hais Txog Kev Nyab Xeeb: S16-S26-S37/39

HS Code: 29329995

Cov Pab Pawg: II

WGK Lub Tebchaws Yelemees: 3

RIDADR: UN 2376

Cov nqe lus pheej hmoo: R11; R36/38

Cov lej phom sij: F, Xi

Cov cim: GHS02, GHS07

Cov lus ceeb toom ceeb toom: P210; P261; P305, P351, P338

Kev Tshaj Tawm Kev Nyab Xeeb: H225; H315; H319; H335

Lo Lus Teeb Meem: Txaus Ntshai

Dihydropyran yog heterocyclic compound nrog cov mis C5H8O. Rau-lub npe, lub nplhaib tsis muaj ntxhiab tsw muaj tsib lub pa roj carbon atom thiab ib lub pa oxygen. Nws muaj ib daim ntawv cog lus ob npaug. Muaj ob isomers ntawm dihydropyran uas txawv los ntawm qhov chaw ntawm ob daim ntawv cog lus. 3,4-Dihydro-2H-pyran muaj ob daim ntawv cog lus ntawm txoj haujlwm 5; 3,6-dihydro-2H-pyran muaj ob daim ntawv cog lus ntawm txoj haujlwm 4. Siv dav hauv OH tiv thaiv cov tshuaj reagents. Cov tshuaj lom neeg ntawm dihydropyran tau ua haujlwm. Tetrahydropyran, pentanediol, glutaric acid, valerolactone, pentadiene thiab resin cov khoom tuaj yeem npaj los ntawm polymerization, hydrogenation, oxidation thiab lwm yam kev cuam tshuam.

Yog tias koj txaus siab rau peb cov khoom lossis muaj lus nug, thov koj xav tiv tauj peb!

Cov khoom lag luam nyob rau hauv patent tau muab rau R& D lub hom phiaj nkaus xwb. Txawm li cas los xij, lub luag haujlwm zaum kawg tshwj xeeb tshaj yog nrog tus neeg yuav khoom.

Cim npe nrov: 3,4-dihydro-2h-pyran cas 110-87-2, tuam ntxhab, cov chaw muag khoom, lub Hoobkas, yuav, hauv Tshuag

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