CAS: 675-10-5|4- hydroxy {2}} methyl {{pyrone

Cov khoom lag luam

Cov tshuaj nrog tus lej cas 675 - 10 - 5 4 - hydroxy {2}} pyrone. Nws molecular mis yog c₆h₆o₃, hnyav hnyav yog 126.11, EC NEX}}}}}} yog mFCD0000641.
Regarding its physical and chemical properties, 4-Hydroxy-6-methyl-2-pyrone usually appears as a white to light yellow crystalline powder. Nws muaj lub ntsiab lus melting ntawm 188 degree - 190 degree (decomposition). Nws yog me ntsis soluble hauv dej thiab soluble hauv cov kuab tshuaj organic zoo li ethanol thiab ether. 4- hydroxy {6}}}}}} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-} h-{

Cov ntaub ntawv yooj yim

Cov Ntaub Ntawv Kev Nyab Xeeb

Cov qeb txaus ntshai: nws tau cais tawm ua cov tawv khov.
Ceeb toom cov lus taw qhia: ceeb toom.
Cov lus qhia txaus ntshai: nws yog khaus rau lub qhov muag thiab tawv nqaij thiab yuav ua rau kev puas tsuaj rau lub tshuab ua pa.
Kev tiv thaiv kev tiv thaiv: hnav cov khoom tiv thaiv tus kheej xws li cov ntsej muag plua plav (xws li N95 hom), hnab looj tes), hnab looj tes, thiab lwm yam thaum siv nws.
WGK Lub Tebchaws Yelemees: 3.

Kev siv

Hauv kev tshawb fawb ntawm kev tshawb fawb: raws li biochemical reagent, {}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} Hydrotyl {} organic compound rau kev tshawb fawb txog lub neej kev tshawb fawb. Piv txwv li, nws tuaj yeem ua haujlwm nruab nrab lossis prefursor ntawm cov khoom xyaw ua haujlwm hauv kev tsim tshuaj, koom nrog synthesis ntawm cov khoom sib xyaw ua ke nrog kev ua haujlwm ntsig txog kev ua haujlwm.
Hauv cov synthic synthesis: 4- hydroxy {}}}} me ntsa iab -2- Methyl agmediation tej yam khoom muaj ntau yam tshuaj lom neeg, tshuaj molecules, thiab cov ntaub ntawv ua haujlwm. Piv txwv li, los ntawm kev kho nws cov qauv thiab reacting nws nrog lwm cov tebchaw, cov pab pawg sib txawv tuaj yeem nkag los tsim cov txheej txheem organic molecular.

Tuam txhab tau

Gnechem, nyob hauv Henan xeev, Suav teb, yog ib feem ntawm cov pab pawg Gnee, nrog 22 xyoo kev ua haujlwm zoo rau cov neeg siv khoom lag luam thoob ntiaj teb. Peb muab cov khoom siv raw tshuaj muaj kuab lom thiab tshuaj lom neeg tshwj xeeb rau ntau yam kev muaj peev xwm hauv tsev thiab txawv teb chaws, ua rau peb ib tus neeg ntseeg siab.

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