Peb lub tuam txhab lub hom phiaj yog ua haujlwm ncaj ncees, pabcuam rau peb cov neeg siv khoom txhua tus, thiab ua haujlwm hauv cov thev naus laus zis tshiab thiab tshuab tshiab tas li rau Ib qho ntawm Kub Tshaj Plaws rau Tuam Tshoj Muag CAS 79-09-4 Propionic Acid nrog Lub Hoobkas Nqe, Peb yuav ua qhov zoo tshaj plaws kom tau raws li lossis tshaj qhov kev thov ntawm cov neeg siv khoom nrog cov khoom zoo tshaj plaws, lub tswv yim siab heev, thiab lub tuam txhab tsim khoom thiab raws sijhawm. Peb txais tos txhua tus neeg siv khoom.
Peb lub tuam txhab lub hom phiaj yog ua haujlwm ncaj ncees, pabcuam rau peb cov neeg siv khoom txhua tus, thiab ua haujlwm hauv cov thev naus laus zis tshiab thiab tshuab tshiab tas li rau, Peb yog koj tus khub txhim khu kev qha hauv kev lag luam thoob ntiaj teb ntawm peb cov khoom. Peb tsom mus rau kev muab kev pabcuam rau peb cov neeg siv khoom ua lub hauv paus tseem ceeb hauv kev txhawb nqa peb txoj kev sib raug zoo mus sij hawm ntev. Kev muaj khoom zoo tas li ua ke nrog peb cov kev pabcuam ua ntej thiab tom qab muag zoo heev ua kom muaj kev sib tw muaj zog hauv kev lag luam thoob ntiaj teb. Peb tau txaus siab koom tes nrog cov phooj ywg ua lag luam los ntawm tsev thiab txawv teb chaws, los tsim lub neej yav tom ntej zoo. Txais tos tuaj xyuas peb lub Hoobkas. Tos ntsoov yuav muaj kev koom tes yeej-yeej nrog koj.
Hauv cov kua dej, cov hydrogen atom ntawm pawg carboxyl ntawm propanoic acid ib nrab dissociates kom tso tawm hydrogen ions (protons), ua rau nws yog monoprotic weak acid nrog pKa ntawm 4.87 ntawm 25 ° C.
Cov tshuaj tiv thaiv neutralization nrog cov hauv paus: Nws reacts nrog cov hauv paus los tsim cov propionates sib xws.
Nrog sodium hydroxide: CH₃CH₂COOH + NaOH → CH₃CH₂COONa + H₂O
Nrog calcium hydroxide: 2 CH₃CH₂COOH + Ca(OH)₂ → (CH₃CH₂COO)₂Ca + 2 H₂O
Nrog dej ammonia: CH₃CH₂COOH + NH₃·H₂O → CH₃CH₂COONH₄ + H₂O
Ob chav hloov chaw sib xyaw nrog cov ntsev kua qaub tsis muaj zog: Nws cuam tshuam nrog carbonates kom tso cov pa roj carbon dioxide: 2 CH₃CH₂COOH + CO₃²⁻ → 2 CH₃CH₂COO⁻ + H₂O + CO₂↑
Kev xeb rau cov hlau: Vim nws cov kua qaub tsis muaj zog, propanoic acid yog xeb rau ntau cov hlau, xws li hlau thiab magnesium, tsim cov roj hydrogen thiab cov hlau propionates.