CAS 79-20-9 Methyl acetate (MeOAc) / Acetic Acid Methyl Ester yog cov kua tsis muaj xim, tsis muaj kuab lom nrog lub qab ntxiag qab zib, tsw qab zoo li txiv apples lossis strawberries. Raws li qhov yooj yim ester ntawm acetic acid, nws muaj lub teeb molecular yuag, tsis tshua muaj ntom, thiab qis qis qis.
| CAS Nr.: | 79-20-9 |
|---|---|
| EC No.: | 201-185-2 |
| Linear Formula: | CH₃COCH₃ |
| Molecular Luj: | 74.08 |
| Qhov tsos: | Pob tshab kua |
| Tsis hnov tsw: | Cov yam ntxwv me me, fruity tsw. |
| Melting Point: | -98℃(lit.) |
| Boiling point: | 57-58℃(lit.) |
| Ceev: | 0.934 g / ml ntawm 25 degree |
| Solubility: | Soluble nyob rau hauv dej; miscible nrog feem ntau cov kuab tshuaj organic xws li ethanol, ether. |
| Flash Point: | 3.2℃F |
| Purity: | Ua kua thiab vapor heev. |
| Chemical Structure: |  |
methyl acetate (CAS 79 20 9) siv hauv kev lag luam
- Kev siv cov kuab tshuaj: Cov khoom tseem ceeb hauv nitrocellulose lacquers, acrylic coatings, thiab resin systems
- Chemical Synthesis: Intermediate hauv kev tsim tshuaj (xws li sulfonamides, vitamins)
- Cov Khoom Siv Khoom Siv: Cov tshuaj tsw qab (FEMA GRAS 4795) hauv cov khoom noj tsawg dua lossis sib npaug li 1,000 ppm
- Kev Siv Tshwj Xeeb: Lithium extraction los ntawm brine daws, cellulose acetate ua
Cov ntaub ntawv kev nyab xeeb:
- Khaws lub thawv kaw kom nruj thiab khaws cia hauv qhov dej - qhov cua.
- Cia kom deb ntawm hluav taws thiab tsis txhob haus luam yeeb.
- Yog tias ntsib qhov muag, yaug dej tam sim ntawd thiab nrhiav kev pab tswv yim.
- Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes, thiab tiv thaiv qhov muag / ntsej muag.
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