Shaanxi BLOOM Tech Co., Ltd. yog ib qho ntawm cov tuam ntxhab thiab cov muag khoom ntawm trimethyl orthovalerate cas 13820-09-2 hauv Suav teb. Txais tos rau cov lag luam wholesale bulk zoo trimethyl orthovalerate cas 13820-09-2 muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.
Trimethyl orthovalerate, tseem hu ua 1,1,1-trimethoxypentane; Trimethoxypentane. Nws yog cov kua xim tsis muaj xim nrog cov ntxhiab tsw zoo ib yam li ether, thiab qhov purity feem ntau yuav tsum muaj ntau dua lossis sib npaug li 96.0%. Nws ruaj khov hauv alkaline xov xwm thiab decomposes hauv acidic media. Nws yog ib qho tseem ceeb organic synthesis intermediate dav siv nyob rau hauv tshuaj ntau lawm. Hauv kev lag luam kws tshuaj, nws yog siv los ua cov khoom siv raw lossis nruab nrab rau cov tshuaj synthesis. Nws tseem tuaj yeem siv rau kev tsim cov txuj lom, txheej, yas thiab lwm yam lag luam.
Piv txwv li, nws muaj peev xwm ua hauj lwm raws li ib tug fixative los yog hnyav rau cov txuj lom, txhim khu lawv stability thiab durability; Hauv kev lag luam coatings thiab plastics, nws tuaj yeem siv los ua plasticizer lossis hloov kho los txhim kho cov khoom lag luam thiab kev ua tiav. Nws muaj cov nyhuv stimulating rau ntawm daim tawv nqaij thiab cov mucous daim nyias nyias, yog li yuav tsum tau siv cov kev tiv thaiv tsim nyog thaum siv, xws li hnav hnab looj tes tiv thaiv, tsom iav, thiab qhov ncauj qhov ntswg. Cov khoom no yog flammable thiab yuav tsum tau khaws cia kom deb ntawm qhov chaw ntawm hluav taws kub thiab qhib nplaim taws, tsis txhob cia thiab thauj mus los ntawm qhov kub thiab txias.
Cov ntaub ntawv ntxiv ntawm chemical compound:
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Tshuaj Formula |
C8H18O3 |
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Exact Mass |
162.13 |
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Molecular Luj |
162.23 |
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m/z |
162.13 (100.0%), 163.13 (8.7%) |
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Elemental Analysis |
C, 59.23; H, 11.18; O, 29.59 |
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Boiling point |
164-166℃(lit.) |
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Qhov ntom |
0.941 g / mL ntawm 25℃(lit.) |
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Trimethyl Orthovalerate, ibt yog ib qho organic compound nrog cov khoom tshwj xeeb, thiab nws cov mis molecular yog C ₈ H ₁₈ O3. Cov hauv qab no muab cov ncauj lus kom ntxaws txog kev siv nws:
tshuaj ntsuam xyuas
Kev tsom xam chromatography yog ib qho kev sib cais thiab kev soj ntsuam cov txheej txheem hauv kev tshuaj xyuas tshuaj, suav nrog roj chromatography (GC) thiab kua chromatography (LC). Vim nws cov qauv tshuaj thiab cov khoom siv tshwj xeeb, trimethyl valproate tuaj yeem siv los ua tus qauv hauv kev tshuaj ntsuam chromatographic, rau calibrating chromatographic instruments thiab txheeb xyuas qhov tseeb thiab kev ntseeg siab ntawm cov txheej txheem analytical. 1, 1,1-trimethoxypentane muaj qhov kub nruab nrab ntawm qhov kub thiab txias ntawm qhov ntsuas kub, ua rau nws tsim nyog raws li cov qauv ntsuas.
Los ntawm kev sib xyaw nrog lwm cov tshuaj sib xyaw rau kev txhaj tshuaj, kev sib cais ua haujlwm ntawm cov kab chromatographic kem, ntsuas qhov rhiab heev, thiab cov lus teb linearity tuaj yeem ntsuas. Txawm hais tias 1,1,1-trimethoxypentane yog insoluble hauv dej, nws tuaj yeem yaj hauv cov kuab tshuaj organic xws li cawv thiab ethers, thiab yog li nws kuj tuaj yeem siv los ua tus qauv hauv cov kua chromatography tsom xam.
Nyob rau hauv qhov rov qab theem chromatography (RP-HPLC) thiab lwm hom, trimethyl valproate tuaj yeem sib cais los ntawm lwm cov tebchaw. Chemometrics yog ib qho kev qhuab qhia uas siv lej, statistical, thiab computer science cov txheej txheem los ua cov ntaub ntawv tshuaj. Hauv chemometrics, kev xaiv cov qauv sib txuas yog qhov tseem ceeb heev rau kev tsim cov qauv lej raug thiab kwv yees cov khoom sib txuas.
Nws muaj cov qauv tshuaj tshwj xeeb, thiab nws cov khoom (xws li qhov kub hnyiab, qhov ntsuas tsis pom kev, solubility, thiab lwm yam) muaj feem cuam tshuam nrog nws cov qauv.
Yog li ntawd, trimethyl valproate tuaj yeem siv los ua cov qauv sib xyaw rau kev kawm cov qauv kev sib raug zoo ntawm cov organic tebchaw.
Los ntawm kev tsim cov qauv kev sib raug zoo ntawm cov khoom vaj khoom tsev (QSPR), cov khoom ntawm lwm cov khoom sib xws tuaj yeem kwv yees tau. Nyob rau hauv multivariate calibration tsom xam, nws yog ib qhov tsim nyog los xaiv ib pawg neeg sawv cev ntawm cov tebchaw raws li lub calibration teeb. Vim nws cov khoom siv tshuaj lom neeg tshwj xeeb, trimethyl valproate tuaj yeem siv los ua ib tus tswv cuab ntawm cov txheej txheem calibration los tsim cov qauv calibration kom raug. Qhov no yog qhov tseem ceeb heev rau kev txheeb xyuas cov tsis paub sib txuas hauv cov qauv nyuaj.
naj hoom kev lag luam
Cov yam ntxwv tsw ntxhiab ntawm 1,1,1-trimethoxypentene ua rau nws siv los ua cov khoom siv raw hauv cov txuj lom sib xyaw, ntxiv cov tshuaj tsw qab tshwj xeeb rau cov khoom txuj lom. Piv txwv li, hauv qee cov tshuaj tsw qab uas xav tau ether aroma, trimethyl valproate tuaj yeem yog ib qho ntawm cov khoom tseem ceeb. Hauv cov txheej txheem ntawm kev sib xyaw cov txuj lom, qhov aroma siv thiab cov yam ntxwv ntawm cov khoom sib txawv sib txawv . 1, 1,1-trimethoxypentene tuaj yeem tswj cov aroma sib npaug ntawm cov khoom txuj lom los ntawm nws cov yam ntxwv tsw, ua rau tag nrho cov aroma ntau sib haum xeeb thiab ntuj. Qee cov khoom xyaw ntawm cov txuj lom yog qhov ua rau poob lawv cov aroma thaum lub sij hawm volatilization txheej txheem, thiab cov qauv tshuaj ntawm 1,1,1-trimethoxypentene tuaj yeem pab txhim kho qhov kev pheej hmoo ntawm cov ntxhiab tsw, tso cai rau cov tshuaj tsw qab los tswj lawv cov tshuaj tsw qab rau lub sijhawm ntev dua thaum siv.
Fragrance fixative yog ib qho kev siv ntau ntxiv hauv kev lag luam txuj lom, uas nws lub luag haujlwm tseem ceeb yog txhawm rau txo qis tus nqi ntawm cov txuj lom thiab ua kom lub sijhawm ntev ntawm cov tshuaj tsw qab . 1,1,1-trimethoxypentene tej zaum yuav muaj qee yam tshuaj tsw qab kho cov nyhuv vim nws cov qauv tshuaj thiab lub cev. Nws tuaj yeem txo qhov volatilization tus nqi ntawm cov txuj lom los ntawm kev tsim cov kev sib cuam tshuam nrog lwm cov tshuaj tsw qab, yog li ua rau lub aroma ntev dua. Nyob rau hauv cov txuj lom formulations, fixatives feem ntau tsis siv ib leeg, tab sis nyob rau hauv synergy nrog rau lwm cov fixatives los yog txuj lom cov khoom xyaw . 1, 1,1-trimethoxypentene yuav siv tau nyob rau hauv ua ke nrog nrog rau lwm cov tshuaj tsw qab fixatives (xws li muscone, benzyl benzoate, thiab lwm yam) los txhim kho cov tshuaj tsw qab los ntawm synergistic los.
Nyob rau hauv cov txheej txheem ntawm cov txuj lom ntau lawm, ntau yam txuj lom cov khoom xyaw yog cov khoom los yog siab viscosity kua uas yuav tsum tau cov kuab tshuaj kom yaj los yog dilute lawv mus rau hauv ib tug haum daim ntawv rau siv.Trimethyl Orthovaleratetuaj yeem siv los ua cov tshuaj tsw qab tsw qab vim nws cov solubility hauv cov kuab tshuaj organic xws li cawv thiab ethers. Nws muaj peev xwm yaj los yog dilute tej yam insoluble txuj lom cov khoom xyaw, ua rau lawv yooj yim rau txheej txheem thiab siv. Qee cov khoom xyaw ntawm cov txuj lom yog qhov ua rau muaj tshuaj lom neeg los yog decomposition hauv cov kuab tshuaj tshwj xeeb, ua rau txo qis ntawm cov txuj lom. Thaum 1,1,1-trimethoxypentene siv los ua cov kuab tshuaj, nws yuav pab txhim kho kev ruaj ntseg ntawm cov tshuaj tsw qab, txo qhov tshwm sim ntawm cov tshuaj tiv thaiv, thiab yog li ncua lub txee lub neej ntawm fragrances.
Nrog rau kev sib txawv ntawm cov neeg siv khoom xav tau rau cov khoom siv txuj lom, kev tsim cov txuj lom tshiab tau dhau los ua ib qho tseem ceeb rau kev lag luam txuj lom. Cov yam ntxwv tsw ntxhiab ntawm trimethyl valproate muab txoj hauv kev tshiab rau kev tsim cov tshuaj tsw qab tshiab. Los ntawm kev sib xyaw thiab sib xyaw nrog lwm cov khoom xyaw txuj lom, cov khoom siv txuj lom tshiab nrog cov ntxhiab tsw tshiab tuaj yeem tsim. Daim ntawv thov ntawm 1,1,1-trimethoxypentane tsis txwv rau cov tsoos spice teb, tab sis kuj tseem yuav nthuav mus rau lwm yam kev lag luam, xws li cov khoom siv tshuaj niaj hnub, khoom noj khoom haus additives, thiab lwm yam. Nyob rau hauv cov teb no, 1,1,1-trimethoxypentene tuaj yeem siv los ua cov khoom xyaw lossis cov kuab tshuaj ntxiv rau cov aromas tshwj xeeb lossis txhim kho cov khoom lag luam.
Txheej thiab yas
Resin yog ib qho tseem ceeb ntawm zaj duab xis - tsim cov tshuaj nyob rau hauv txheej txheej formulations . 1,1-Trimethoxypentene, vim nws cov solubility zoo, tuaj yeem siv los ua cov kuab tshuaj kom yaj qee cov resins, xws li alkyd resins, acrylic resins, thiab lwm yam. Qhov no yuav pab txhim kho kev tsim kho ntawm cov txheej, ua kom yooj yim rau kev thov thiab qib. Cov viscosity ntawm txheej txheej muaj qhov cuam tshuam loj rau lawv cov kev tsim kho thiab kev ua yeeb yaj kiab zoo . 1,1,1-trimethoxypentene tuaj yeem siv los ua cov kuab tshuaj los kho cov viscosity ntawm cov txheej txheej los ntawm kev kho nws cov ntsiab lus hauv txheej.
Thaum nws yog ib qho tsim nyog los txo cov viscosity ntawm txheej, tus nqi ntawm trimethyl valproate tuaj yeem nce ntxiv; Ntawm qhov tsis sib xws, txo nws cov koob tshuaj. Plasticizer yog ib qho khoom siv ntxiv uas tuaj yeem ua rau kom yooj yim ntawm cov ntaub ntawv. Ntxiv 1,1,1-trimethoxypentane ua cov yas hauv cov txheej txheem tuaj yeem txhim kho lawv cov kev yooj yim, ua rau cov txheej txheem softer thiab cuam tshuam ntau dua. Qhov no yog qhov tseem ceeb heev rau qee qhov kev siv txheej txheej uas yuav tsum tau ua kom yooj yim, xws li cov xim tsheb, xim rooj tog, thiab lwm yam . 1,1,1-trimethoxypentane ua cov yas yas kuj tuaj yeem txhim kho cov adhesion ntawm cov txheej rau substrates. Nws tuaj yeem ua rau cov txheej txheem zoo sib cuag thiab kev sib raug zoo nrog lub substrate nto, yog li txhim kho qhov adhesion thiab durability ntawm txheej.
1,1,1-trimethoxypentane kuj tseem siv tau los ua tus hloov kho los txhim kho kev ua haujlwm ntawm cov txheej txheem. Piv txwv li, nws tuaj yeem ua kom paub cov neeg ua haujlwm tshiab lossis hloov cov qauv molecular ntawm cov txheej txheem los ntawm kev ua tshuaj lom neeg nrog rau lwm cov khoom hauv txheej, yog li muab cov txheej txheem tshiab xws li dej tsis kam, huab cua tsis kam, tshuaj tiv thaiv, thiab lwm yam. Piv txwv li, coatings nrog nws tus kheej-kho muaj nuj nqi thiab antibacterial zog muaj peev xwm tsim tau raws li cov kev xav tau ntawm txawv teb. 1,1,1-trimethoxypentane kuj siv tau raws li ib tug tshuaj tiv thaiv intermediate nyob rau hauv synthesis ntawm plastics.
Piv txwv li, nyob rau hauv cov txheej txheem synthesis ntawm tej plastics, trimethyl valproate tuaj yeem raug cov tshuaj tiv thaiv polymerization nrog lwm cov monomers los tsim cov polymers nrog cov qauv tshwj xeeb thiab cov khoom. Cov polymer no tuaj yeem siv los ua substrate lossis additives rau plastics los tsim cov khoom yas nrog cov khoom tshwj xeeb. Ntxiv nrog rau kev koom tes hauv kev sib txuas ntawm plastics,Trimethyl Orthovaleratekuj tuaj yeem siv rau kev hloov kho yas. Nws tuaj yeem qhia cov pab pawg ua haujlwm tshiab lossis hloov cov qauv molecular ntawm cov yas los ntawm kev ua haujlwm tshuaj lom neeg nrog rau lwm cov khoom hauv plastics, yog li muab cov khoom yas nrog cov khoom tshiab. Piv txwv li, nws tuaj yeem txhim kho huab cua tsis kam, tshuaj lom neeg ua haujlwm, lub zog txhua yam, thiab lwm yam khoom ntawm cov yas.
Trimethyl Orthovalerateyog cov kua uas tsis muaj xim pob tshab nrog cov ntxhiab tsw me ntsis zoo ib yam li cov ethers. Nws cov khoom siv tshuaj yog txiav txim siab los ntawm pawg ester (-COOCH₃) thiab tert-butoxy pawg (-C(OCH₃)₃) cov qauv. Nws yog ruaj khov nyob rau hauv alkaline xov xwm thiab decomposes yooj yim nyob rau hauv acidic tej yam kev mob. Cov yam ntxwv no ua rau nws muaj txiaj ntsig tshwj xeeb hauv cov organic synthesis thiab cov ntawv thov kev lag luam.
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Trimethyl Orthovalerate yog cov kua hauv chav tsev kub. Nws cov ntsiab lus kub kub yog li ntawm 159 txog 166 degree, nrog qhov ceev ntawm kwv yees li 0.941 g / cm³ ntawm 25 degree. Lub teeb taw tes yog 41-42 degree, ua rau nws ua kua ua kua. Nws qhov ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ua rau nws yooj yim los tuav thaum lub sijhawm distillation thiab hnyav rov qab txheej txheem. Cov tshuaj no ruaj khov rau alkalis thiab tuaj yeem khaws cia rau lub sijhawm ntev hauv qhov chaw alkaline (xws li sodium hydroxide tov) yam tsis muaj decomposition. Txawm li cas los xij, nyob rau hauv acidic tej yam kev mob (xws li hydrochloric acid, sulfuric acid), ester daim ntawv cog lus yuav sai sai hydrolyze, generating valeric acid (CH₃CH₂CH₂CH₂COOH) thiab methanol (CH₃OH), raws li qhia nyob rau hauv cov tshuaj sib npaug: CH₃CH₂CH₂OCH. + 3HCl → CH₃CH₂CH₂CH₂COOH + 3CH₃OH + HCl
Cov cuab yeej decomposition no ua rau nws tsim nyog siv nws nrog ceev faj hauv cov tshuaj tiv thaiv acidic catalytic, thaum tseem muab kev tswj hwm hydrolysis rau cov txheej txheem hluavtaws tshwj xeeb.
Trimethyl Orthovalerate yog insoluble hauv dej, tab sis nws tuaj yeem yaj tag nrho hauv cov kuab tshuaj organic xws li cawv (xws li ethanol thiab methanol), ethers (xws li ethyl ether), ketones (xws li acetone), thiab lwm yam. Nws solubility ua rau nws cov kuab tshuaj zoo heev hauv cov organic synthesis, tshwj xeeb tshaj yog tsim rau cov tshuaj tiv thaiv {1} ib puag ncig. Piv txwv li, nyob rau hauv synthesis ntawm tshuaj intermediates, nws yuav siv tau raws li ib tug tshuaj tiv thaiv nruab nrab los txhawb lub dissolution ntawm hydrophobic substrates, yog li txhim kho cov tshuaj tiv thaiv efficiency. Tsis tas li ntawd, nws cov toxicity tsawg thiab zoo volatility (nrog rau ib tug nruab nrab boiling point) ua rau nws ib tug environmentally phooj ywg hnyav lwm txoj rau ib txwm high -volatile organic compounds (VOCs) nyob rau hauv teb xws li coatings thiab inks.
Ester Exchange Reaction: Pab pawg ester ntawm Trimethyl Orthovalerate tuaj yeem koom nrog ester pauv kev cuam tshuam, cuam tshuam nrog cawv (xws li ethanol) nyob rau hauv cov catalysis ntawm acids lossis bases los tsim lwm cov pentanoic acid ester compounds. Cov tshuaj tiv thaiv no tseem ceeb tshwj xeeb hauv kev tsim cov tshuaj tsw qab, piv txwv li, los ntawm kev ua haujlwm nrog benzyl cawv, pentanoic acid benzyl ester nrog fruity aroma tuaj yeem npaj.
Reduction Reaction: Raws li qhov kev txiav txim ntawm kev txo cov neeg ua haujlwm xws li hydrogenaluminum lithium (LiAlH₄), ester pawg tuaj yeem raug txo qis rau ib pawg cawv, tsim 1,1,1-trimethoxypentanol, thiab cov tshuaj tiv thaiv ntxiv tuaj yeem tsim ntau yam derivatives.
Drug Intermediate Synthesis: Raws li qhov tseem ceeb nruab nrab, Trimethyl Orthovalerate tuaj yeem siv los ua ke los tiv thaiv - tshuaj tiv thaiv kab mob, tshuaj tiv thaiv - kev nyuaj siab, thiab lwm yam. Piv txwv li, los ntawm condensing nrog cov amino tebchaw, ib qho kev ua haujlwm heterocyclic tuaj yeem tsim.
Fragrance thiab Flavoring Agents: Nws cov txiv hmab txiv ntoo qab zib (zoo ib yam li txiv apples lossis pears) ua rau nws hloov tau cov tshuaj tsw qab hauv cov khoom noj thiab tshuaj pleev ib ce. Los ntawm kev tswj cov qib ntawm hydrolysis, qhov kev siv ntawm cov aroma tuaj yeem hloov kho kom tau raws li qhov xav tau ntawm cov khoom sib txawv.
Trimethyl Orthovalerate yog cais raws li cov kua hluav taws xob (H226). Nws cov vapor sib xyaw nrog huab cua tuaj yeem tsim cov khoom tawg, thiab nws yooj yim rau combustion thaum raug hluav taws kub, kub kub, lossis oxidants. Thaum lub sijhawm ua haujlwm, yuav tsum muaj kev zam nruj ntawm qhov hluav taws kub, thiab qhov cua zoo yuav tsum tau tswj xyuas. Tsis tas li ntawd, nws muaj khaus khaus rau ntawm daim tawv nqaij thiab cov mucous daim nyias nyias (H315), thiab kev sib cuag tuaj yeem ua rau liab lossis ua xua, yog li cov hnab looj tes tiv thaiv thiab tsom iav yuav tsum hnav. Txawm hais tias nws cov tshuaj toxicity qis dua ntau cov kuab tshuaj ib txwm muaj, qhov ntev - raug rau lub sijhawm tseem yuav ua rau lub siab thiab lub raum, thiab nws yuav tsum tau siv rau hauv cov chaw kuaj mob lossis chaw ua haujlwm uas ua tau raws li cov qauv kev nyab xeeb.
Trimethyl Orthovalerate tuaj yeem maj mam degraded los ntawm cov kab mob nyob rau hauv ib puag ncig ntuj, thaum kawg tsim carbon dioxide thiab dej. Txawm li cas los xij, tus nqi degradation cuam tshuam loj heev los ntawm pH tus nqi thiab kub. Hauv cov av acidic, tus nqi decomposition nce, thiab cov khoom nruab nrab xws li methanol tuaj yeem raug tso tawm, uas yuav tsum tau saib xyuas qhov cuam tshuam rau cov kab mob hauv dej. Raws li cov kuab tshuaj, nws tsis tshua muaj volatility thiab zoo biodegradability ua raws li cov qauv ntawm ntsuab chemistry, tshwj xeeb tshaj yog nyob rau hauv hloov chlorinated cov kuab tshuaj thiab benzene derivatives. Txawm li cas los xij, kev siv loj - tseem yuav tsum tau tsim kom muaj kev rov ua dua tshiab thiab pov tseg kom txo tau ib puag ncig emissions.
Kev Tshawb Fawb Thaum Ntxov thiab Thawj Kev Sib Txuas (1946)
Thawj qhov kev sib xyaw ua ke thiab cov ntaub ntawv qhia txog kev ua haujlwm ntawm Trimethyl Orthovalerate (CAS: 13820-09-2) tuaj yeem taug qab mus rau xyoo 1946. American chemist SM McElvain thiab nws pab neeg tshawb fawb tau luam tawm ib txoj kev tshawb fawb hauvPhau ntawv Journal ntawm American Chemical Society, nyob rau hauv uas lub compound tau ntse npaj los ntawm valeronitrile ua raw khoom tseem ceeb ntawm alcoholysis. Nws cov qauv tau raug txheeb xyuas tsis meej raws li 1,1,1-trimethoxypentane. Qhov kev ua tiav no sawv cev rau qhov kev nthuav dav tseem ceeb hauv kev tshawb fawb hluavtaws ntawm orthoester tebchaw, sau qhov sib txawv hauv kev sib txuas ntawm cov saw ntev alkyl trimethyl orthoesters, thiab tau tsim lub hauv paus rau nws cov ntawv thov tom ntej hauv cov organic synthesis.
Optimization of Synthetic Methods thiab Expansion of Applications (1978)
Xyoo 1978, pawg tshawb fawb coj los ntawm JW Scheeren tau luam tawm cov txheej txheem hluavtaws txhim kho hauv phau ntawv journalSynthesis. Los ntawm optimizing cov tshuaj tiv thaiv kab mob thiab catalyst systems, lub synthesis efficiency thiab purity ntawm trimethyl orthovalerate yog ho txhim kho. Cov txheej txheem no ua kom yooj yim rau cov txheej txheem ua haujlwm thiab txo qhov tsim ntawm cov khoom lag luam, txhawb nws txoj kev hloov pauv ntawm chav kuaj- nplai synthesis mus rau qhov loj - nplai npaj. Nrog rau kev nce qib ntawm cov organic synthesis thev naus laus zis, trimethyl orthovalerate tau maj mam dhau los ua qhov tseem ceeb hauv cov tshuaj, tshuaj tsw qab, thiab lwm yam haujlwm vim nws cov qauv orthoester ruaj khov. Nws qhov kev tshawb pom thiab keeb kwm hluavtaws kuj tau dhau los ua ib feem tseem ceeb ntawm kev tshawb fawb ntawm orthoester compounds.
FAQ
Dab tsi yog trimethyl Orthobenzoate siv rau?
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Trimethyl Orthobenzoate yog reagentsiv nyob rau hauv cov synthesis ntawm quinazolines. Kuj tseem siv tau rau hauv kev npaj ntawm nintedanib (N478290), siv los kho idiopathic pulmonary fibrosis. Kuj inhibits cov txheej txheem ntawm cov hlab ntsha tsim uas yuav siv tau los pab kho mob qog noj ntshav.
Trimethyl Orthoacetate siv rau dab tsi?
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Feem ntau siv raws lichemical intermediate ntawm kws tshuaj thiab tshuaj ua liaj ua teb. Siv rau kev kho mob intermediates ntawm vitamin B1, vitamin A1 thiab sulfanilamide. Siv nyob rau hauv dyeing thiab spices kev lag luam, Tshuaj, ua liaj ua teb chemicals thiab raws li xim additives.
Cim npe nrov: Trimethyl Orthovalerate CAS 13820-09-2, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom