Lub npe IUPAC rau CH3COOCH3 yog dab tsi?
Lub npe IUPAC rau CH3COOCH3 yog methyl acetate, tseem hu ua methyl ethanoate. Nws yog ib qho ester tau los ntawm ethanoic acid (acetic acid) thiab methanol.
Lwm lub npe rau methyl acetate yog dab tsi?
Methyl ethanoate, Acetic acid methyl ester, MeOAc.
Cov qauv ntawm methyl acetate yog dab tsi?
Koj puas txaus siab rau cov khoom no? Thov xa cov lus nug, thiab peb yuav tiv tauj koj hauv 24 teev ua haujlwm los tham txog koj cov kev xav tau.
Dab tsi yog cov khoom ntawm methyl acetate?
| Physical thiab Chemical Properties | Cov yam ntxwv ntawm cov kua tsis muaj xim, nrog cov tsw qab. |
| melting point -98.1 ° C | |
| kub point 57 degree | |
| txheeb ze ntom ntom 0.4330 | |
| Refractive Index 1.3594 | |
| flash point -10 degree | |
| solubility, ethers yog miscible, thiab solubility hauv dej yog 31.9g / 100ml (20℃c). | |
| HS Code | 2915 39 00 |
| Toxicity | LD50 qhov ncauj hauv luav: > 5000 mg/kg LD50 dermal Rat > 2000 mg/kg |
| elative polarity | 0.253 |
| olfactory Threshold | 1.7ppm ua |
| LogP | 0.18 ntawm 20 degree |
Yuav ua li cas yuav Methyl acetate hnyav?
Nrhiav ib tug ntseegTom ntej: Methyl Acetate (CAS 79-20-9)tus neeg muag khoom? Peb muab lub Hoobkas- tus nqi ncaj qha, tshem tawm cov neeg nruab nrab kos npe los txiav koj cov nqi raw khoom.
Vim li cas thiaj xaiv Gneebio cov khoom?
1.Peb muaj - cov khoom zoo, uas yog muab ncaj qha los ntawm lub Hoobkas los xyuas kom meej cov khoom txaus.
2.Peb muaj kev pabcuam tshaj lij, 24 teev online los daws koj cov teeb meem.
3.With xyoo ntawm kev muab khoom, peb siv zog ua kom muaj nuj nqis rau txhua tus neeg siv khoom.
Nyem Kom Thov Ib Daim Ntawv Tso Cai
txog peb
Henan Gneebiotau tsim nyob rau hauv 2016, ua raws li lub koom haum lub tswv yim ntawm "cov khoom siv tshuaj lom neeg thoob ntiaj teb" thiab tsom mus rau siab -kev lag luam tshuaj lom neeg zoo.
Tag nrho peb cov khoom siv tshuaj tau txais cov ntawv pov thawj thoob ntiaj teb suav nrog REACH, ISO, FMQS, HALAL, thiab Halal ntawv pov thawj, kom ntseeg tau tias zoo thiab kev lees paub thoob ntiaj teb, Peb muaj cov tsev khaws khoom hauv coreports xws li Qingdao, Tianiin, thiab Shanghai, nrog rau 15-hnub kev xa khoom xa tuaj.
Lwm Yam Kub- Muag Khoom
| Khoom npe | CAS Nr |
| Dichloromethane DCM | CAS Nr .: 75-09-2 |
Acetic acid |
CAS 64-19-7 Nr |
| Dimethyl Sulfoxide DMSO |
CAS 67-68-5 Nr |
Ethylene glycol (EG/MEG) |
CAS Nr .: 107-21-1 |
| Ethylene Glycol Monomethyl Ether |
CAS 109-86-4 Nr |
Triethylene glycol TEG |
CAS Nr .: 112-27-6 |
| Formic Acid | CAS 64-18-6 Nr |
Tiv tauj peb tam sim no rau qhov kev tsocai tshiab kawg; peb lav tus nqi sib tw kiag li.
