Acetic acid
Nkọwa ngwaahịa
Enyere nkọwapụta
Ọcha ntụ ntụỌdịnaya ≥ 99%
mmiri mmiri nghọtaỌdịnaya ≥ 45%
(Oghere akwụkwọ ntụaka ngwa 'eji ngwaahịa')
Ọdịdị kristal nke acetic acid na-egosi na ụmụ irighiri ihe na-ejikọta ya na dimers (nke a makwaara dị ka dimers) site na njikọ hydrogen, na dimers dịkwa na steeti vapor na 120 Celsius C. Dimers nwere nkwụsi ike dị elu, ma egosiwo na carboxylic. Acids nwere obere molekụla dị ka formic acid na acetic acid dị n'ụdị dimers na steeti siri ike, mmiri mmiri ma ọ bụ ọbụna gas site na usoro nke mkpebi ịdị arọ nke molekụla site na mbelata ihe na-ekpo ọkụ na mgbasa X-ray.Mgbe acetic acid gbazere na mmiri, njikọ hydrogen dị n'etiti dimers na-agbaji ngwa ngwa.Acids carboxylic ndị ọzọ na-egosi nhụsianya yiri nke ahụ.
EVERBRIGHT®' ga-enye ahaziri ： ọdịnaya / ọcha / particlesize / PHUru / agba / packagingstyle / nkwakọ nkọwa na ndị ọzọ kpọmkwem ngwaahịa ndị ọzọ adabara gị ojiji ọnọdụ, na-enye free samples.
Usoro ngwaahịa
64-19-7
231-791-2
60.052
Organic acid
1.05 g/cm³
Soluble na mmiri
117.9 ℃
16.6°C
Iji ngwaahịa
Ojiji ụlọ ọrụ
1. acetic acid bụ nnukwu kemịkalụ ngwaahịa, bụ otu n'ime ihe ndị kasị mkpa organic asịd.A na-ejikarị eme ihe maka mmepụta acetic anhydride, acetate na cellulose acetate.Enwere ike ịme polyvinyl acetate ka ọ bụrụ ihe nkiri na ihe nrapado, ma bụrụkwa ihe eji eme fiber Vinylon sịntetik.A na-eji acetate cellulose mee ihe nkiri rayon na ihe nkiri.
2. acetic ester kpụrụ site na obere alcohols bụ ihe mgbaze magburu onwe ya, nke a na-ejikarị eme ihe na ụlọ ọrụ agba.N'ihi na acetic acid na-agbaze ọtụtụ ihe ndị dị ndụ, a na-ejikwa ya dị ka ihe mgbaze organic (dịka maka oxidation nke p-xylene iji mepụta terephthalic acid).
3. acetic acid nwere ike ji mee ihe ụfọdụ pickling na polishing ngwọta, na a na-adịghị ike acidic ngwọta dị ka ihe nchekwa (dị ka galvanized, electroless nickel plating), na ọkara na-egbuke egbuke nickel plating electrolyte dị ka ihe mgbakwunye, na passivation ngwọta nke zinc. , cadmium nwere ike imeziwanye ike njikọ nke ihe nkiri passivation, ma na-ejikarị emezi pH nke ịsa ahụ acid na-adịghị ike.
4. maka mmepụta nke acetate, dị ka manganese, sodium, lead, aluminum, zinc, cobalt na ndị ọzọ metal salts, n'ọtụtụ ebe dị ka catalysts, ákwà dyeing na akpụkpọ anụ tanning ụlọ ọrụ mgbakwunye;Lead acetate bụ agba agba ndu ọcha;Lead tetraacetate bụ ihe na-emepụta ihe na-emepụta ihe (dịka ọmụmaatụ, tetraacetate ndu nwere ike iji mee ihe dị ka onye na-emepụta ihe na-eme ka ọ ghara ịdị ike, na-enye isi iyi nke acetoxy ma kwadebe ogige ndu ndu, wdg).
5. acetic acid nwekwara ike-eji dị ka analytical reagent, organic njikọ, pigmenti na ọgwụ njikọ.
Iji nri
N'ụlọ ọrụ nri, a na-eji acetic acid eme ihe dị ka acidifier, ihe na-esi ísì ụtọ na ísì ụtọ mgbe ị na-eme mmanya sịntetik, acetic acid na-agbaze na 4-5% na mmiri, na-agbakwunye ihe ndị na-esi ísì ụtọ dị iche iche.Ihe ụtọ ahụ yiri nke mmanya mmanya na-egbu egbu, na oge mmepụta ihe dị mkpụmkpụ na ọnụahịa dị ọnụ ala.Dị ka a utoojoo gị n'ụlọnga, ike ga-eji maka compound sizinin, nkwadebe nke mmanya, mkpọ, jelii na cheese, dị ka mmepụta mkpa nke kwesịrị ekwesị ojiji.Ọ nwekwara ike idepụta ihe na-esi ísì ụtọ nke mmanya na-esi ísì ụtọ, ọnụ ọgụgụ ojiji bụ 0.1 ~ 0.3 g / kg.
