Cov khoom
HS 29152100 Hoobkas Nqe Zoo CH3COOH Cas No.64-19-7 Acetic Acid
Product Description
| Lub npe: | Acetic acid |
| Synonym: | Ntuj acetic acid;Arg-Tyr-OH·Ac-Phe-Arg-OEt·Lys-Lys-Lys-OH·Trityl-1,2-diaminoethane·WIJS SOLUTION;WIJS SOLUTION; WIJS chloride |
| CAS: | 64-19-7 ib |
| Formula: | C2H4O2 |
| Qhov tsos: | Colorless pob tshab kua nrog pungent tsw. |
| EINECS: | 231-791-2 : kuv |
| HS Code: | 29152100 ib |
Cov ntaub ntawv yooj yim
| CAS Nr. | 64-19-7 ib |
| Lub npe | Acetic acid |
| CBNumber | ib 7854064 |
| Cov mis mos molecular | C2H4O2 |
| Molecular hnyav | 60.05 Nws |
| MOLFile | 64-19-7. : kuv |
| Melting point | 16.2 ° C (lit.) |
| Boiling point | 117-118 ° C (lit.) |
| Qhov ntom | 1.049g / mL ntawm 25 ° C (lit.) |
| Vapor ntom ntom | 2.07 (vs huab cua) |
| Vapor siab | 11.4 hli Hg (20 ° C) |
| Refractive Index | n20/D 1.371 (lit.) |
| FEMA | 2006 | ACETIC ACID |
| Flash point | 104 ° F |
| Cia tej yam kev mob | Khaws hauv qab +30 ° C. |
| Solubility | cawv |
| Acidity coefficient (pKa) | 4.74 (ntawm 25ºC) |
| Daim ntawv | Kev daws |
| Xim | Tsis muaj xim |
| Lub ntiajteb txawj nqus tshwj xeeb | 1.0492 (20ºC) |
| Tus nqi PH | 3.91 (1 mM tov); 3.39 (10 mM tov); 2.88 (100 mM tov); |
| Ph tus nqi ntau ntawm acid-base taw qhia discoloration | 2.4 (1.0M daws) |
| tsw | Muaj zog, pungent, vinegar zoo li tsw pom ntawm 0.2 txog 1.0 ppm |
| Odor Threshold | 0,00 6 ppm |
| Explosive txwv | 4-19.9% (V) |
| Dej solubility | Miscible |
Siv
1.Kev siv tshuaj analytical reagents, dav siv rau neutralization lossis acidification.Non-aqueous titration kuab tshuaj, kev npaj cov tshuaj tsis haum, organic synthesis.Kev tsim cov pigments, tshuaj, acetate fibers, acetyl compounds, thiab lwm yam. Nws kuj yog siv los yaj phosphorus, sulfur, hydrohalic acid, thiab lwm yam. Raws li ib tug qaub neeg sawv cev, nws yuav siv tau raws li ib tug compound seasoning, npaj vinegar, kaus poom zaub mov, jelly. thiab cheese, thiab siv nws nyob rau hauv tus nqi tsim nyog raws li kev xav tau ntau lawm.Nws kuj tseem siv tau los ua cov tshuaj tsw qab rau koji cawv, thiab tus nqi siv yog 0.1-0.3g / kg.Siv los ua cov kuab tshuaj hauv kev tsim cov roj hmab, yas, dyes, thiab lwm yam. Nws kuj yog siv los ua cov khoom siv raw rau kev tsim cov yas acetate, cellulose acetate, mentthyl acetate, cov tshuaj yees duab, tshuaj, tshuaj tua kab thiab lwm yam organic synthesis.
2.Nyeem siv tshuaj analytical reagents.Universal solvents thiab non-aqueous titration solvents.Siv rau hauv kev tsim cov acetate, cellulose acetate, tshuaj, pigments, esters, yas, txuj lom, thiab lwm yam.
3.PH tus nqi regulator.Nws tuaj yeem siv rau kev npaj ntawm ethyl acetate, kev npaj fibers, xim, nplaum, copolymer resins, thiab lwm yam., kev npaj ntawm acetic anhydride, chloroacetic acid, glycolic acid thiab industrial pickling.
4.Yuav siv tau rau industrial pickling.Rau kev npaj cov fibers, coatings, adhesives, copolymer resins, thiab lwm yam.
5.Nws yog ib qho tseem ceeb organic chemical raw khoom, uas tuaj yeem tsim ntau yam khoom siv tshuaj lom neeg.Kev lag luam kws tshuaj yog siv los npaj ntau yam tshuaj, kev lag luam dyeing yog siv los tsim ntau yam dyes, thiab cov khoom siv hluavtaws kev lag luam yog siv los tsim ntau yam khoom siv polymer, uas yog ib qho tseem ceeb organic chemical intermediate.Tsis tas li ntawd, nws kuj yog siv los ua cov kuab tshuaj, cov tawv nqaij tanning, roj hmab latex coagulants, dye aids, khoom fragrances, tshuaj reagents, thiab lwm yam, thiab kuj siv los ua acidulants, tsw enhancers, thiab lwm yam.
6.Acetic acid yuav siv tau nyob rau hauv ib co pickling thiab polishing kev daws teeb meem, nyob rau hauv tsis muaj zog acidic daws raws li buffers (xws li galvanizing, electroless npib tsib xee plating), nyob rau hauv ib nrab ci npib tsib xee plating electrolyte raws li additives, zinc, cadmium passivation tov yuav txhim kho cov adhesion. ntawm passivation zaj duab xis, thiab feem ntau siv los kho pH ntawm qaug zog acid plating tov, kuj tuaj yeem siv los ua cov kuab tshuaj rau qee cov organic additives (xws li coumarin).
7.Kev siv tshuaj analytical reagents, cov kuab tshuaj dav dav thiab cov kuab tshuaj tsis yog aqueous titration, organic synthesis, synthesis ntawm pigments thiab pharmaceuticals.
8.Siv hauv kev tsim cov acetate, cellulose acetate, tshuaj, pigments, esters, plastics, spices, thiab lwm yam.
