Cov khoom lag luam
Diisoproyl malonate, nrog cov lus txhais lus Askiv xws li dipm thiab malonic acid diisopropyl ester, muaj tus lej ntawm {236-156-3. Nws molecular mis yog c₉h₁₆o₄ thiab nws cov molecular hnyav yog 188.22.
Cov khoom ntshiab ntawm Diisopropyl malonate yog cov kua tsis muaj xim thiab pob tshab nrog me ntsis ester aroma, thaum cov khoom lag luam yog daj me ntsis. Nws lub ntsiab lus melting yog {{{{4 {}}}}}}}}} {0 mmHg. Qhov ceev ceev yog 0.991 g / degree, lub chaw ua haujlwm tshiab yog N²⁰ / D 1.412, Flash li cas yog 0.2 MMHG ntawm 25 degree. Nws yog me ntsis soluble hauv dej thiab soluble hauv cov kuab tshuaj organic xws li esters, benzene, thiab ether.
Cov ntaub ntawv yooj yim
| Khoom npe | Fungic Diisoprops C9H16O4 |
| Cas | 13195-64-7 |
| Mf | C9H16O4 |
| Mw | 188.22 |
| Einecs | 236-156-3 |
| Melting taw tes | {{0 {}} degree (lit.) |
| Kub taw tes | {{0 {}} degree / 12 mmHg (Lit.) |
| Ceev | {{0 {0}}. 991 g / ml ntawm 25 degree (lit.) |
| Refronction Index | n20 / d 1.412 (Lit.) |
| Fp | 192 Qib F |
| Cia temp. | Inert huab cua, chav tsev kub |
| Puab | Cov kua ntshiab |
| Pa kua muag | 13.79 ± {0. 46 (kwv yees) |
| Xim | Tsis muaj kob yuav luag tsis muaj xim |
Kev siv
TSHUAJ RAU: Diisoproyl malonate yog ib nrab rau cov fungicide ooprocke (lub npe tseeb rau kev tswj cov hmoov tawg, tsis yog "mov tawg" uas tsis yog). Nws yog siv hauv kev ua liaj ua teb los ua suab hluav taws xob ntsig txog cov tshuaj tua kab rau kev tiv thaiv thiab cov kab tsuag thiab kab mob.
Kws Tshuaj: Nws yog ib qho tseem ceeb kws tshuaj hauv lub cev thiab tuaj yeem siv los ua cov tshuaj xws li cov lus hais tsis zoo (cov ntaub ntawv kom raug ntawm cov tshuaj npe).
Organic Synthesis Teb: Nws tuaj yeem siv los ua ke cov organic sib xyaw xws li {0}}}}}} hydroxyquinox {look hydroxyquinox
Kev npaj txoj kev
Sodium malonate, benzene and isopropanol can be added to the reaction kettle, sulfuric acid is added dropwise at 60-70 degree for esterification reaction for 3-4h, the crude product is cooled and pumped into the washing kettle for water washing and alkali washing, the feed liquid is separated in the separator, and then the product is obtained by desolventization and distillation.
Tuam txhab tau
Gnee Chem yog kev nkag rau cov kev tshawb fawb, kev txhim kho, ntau lawm thiab muag ntawm lub xeev Henan, npog thaj tsam ntawm 3,600 square metres. Peb muaj tus kws tshaj lij, zoo-nruab nrog thiab cov pab pawg R & D muaj ntau dua 10 xyoo ntawm R & D kev paub. Peb cov khoom tau dav exported rau ntau lub tebchaws, xws li Tebchaws Asmeskas, Tebchaws Russia, Tebchaws Asmeskas, Tebchaws Asmeskas, thiab peb muab cov qhua tuaj noj mov nrawm. Peb cia siab tias tsim kev sib koom tes ntev thiab muaj kev sib koom tes sib koom tes nrog cov phooj ywg ntxiv yav tom ntej, thiab muab cov khoom lag luam thiab cov kev pabcuam zoo tshaj rau peb cov neeg siv khoom.
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Cim npe nrov: Fungicide Diisopropylal M9H16o4 CAS}}}}}}}}}}} Cov chaw tsim khoom, cov chaw tsim khoom, Hoobkas
