Ammonium propionate

A Propionic acid is a weak acid, not dissociated completely in aqueous solution. Ammonia is a weak base. The acid and base react to form a salt solution of ammonium propionate. 

Clostridium propionicum can use alanine as substrate for a balanced fermentation to form ammonium propionate, acetate, and C02 (Fig. 24-19). 

Propionic acid (CH3CH2COOH) is produced using mainly the oxo process (about 200,000 Mg), which involves reacting ethylene and carbon monoxide to produce propionaldehyde, to be further oxidized in the presence of cobalt or manganese ions at 40-50°C (Anon., 2002). About 45% of the overall consumption of propionic acid is used as such or as ammonium propionate... 

Table 4. Micellar parameters in benzene and carbontetrachloride. BAP (butyl-), HAP (hexyl-), OAP (octyl-), DeAP(decyl-), DAP (dodecyl-) ammonium propionates. [Faraday Trans. I, 68, 280 (1973))...

Propionic acid is effective at reducing fungal growth, especially at lower pH, by affecting fungal membranes at pH values below 4.5. Similar to acetic acid, propionic acid also inhibits amino acid uptake. The salts of propionic acid, such as sodium propionate and ammonium propionate show a similar effect against yeasts and filamentous molds at a low pH (Schniirer and Magnusson, 2005). 

Magan, N. and Lacey, J. 1986. The effects of two ammonium propionate formulations on growth in vitro of Aspergillus species isolated from hay. Journal of Applied Bacteriology 60 221-225. 

Fig. 1.8 Asaccharolytic fermentation produces ammonia and short-chain fatty acids. This group of fermentations by oral bacteria utilizes proteins, which are converted to peptides and amino acids. The free amino acids are then deaminated to ammonia in a reaction that converts nicotinamide adenine dinucleotide (NAD) to NADH. For example, alanine is converted to pyruvate and ammonia. The pyruvate is reduced to lactate, and ammonium lactate is excreted into the environment. Unlike lactate from glucose, ammonium lactate is a neutral salt. The common end products in from plaque are ammonium acetate, ammonium propionate, and ammonium butyrate, ammonium salts of short chain fatty acids. For example, glycine is reduced to acetate and ammonia. Cysteine is reduced to propionate, hydrogen sulfide, and ammonia alanine to propionate, water, and ammonia and aspartate to propionate, carbon dioxide, and ammonia. Threonine is reduced to butyrate, water, and ammonia and glutamate is reduced to butyrate, carbon dioxide, and ammonia. Other amino acids are involved in more complicated metabolic reactions that give rise to these short-chain amino acids, sometimes with succinate, another common end product in plaque.

Propionamide. Propanamide propionic acid amide. CjH,NO mol wt 73.09. C 49.30%, H 9.65%, N 19.17%, O 21.89%. Prepd by beating ammonium propionate under pressure Hofmann, Ber. 15, 981 (1882) by dropping propionyl chloride into cooled ammonia water Aschan. 

URANYL AMMONIUM PROPIONATE 2UO2(C.H202)2.NHAH502. 2H2O and Uranyl Potassium Propionate 2U02(C3H50,)2.KCaHj02. 

Ammonium potassium hydrogen phosphate Hazardous Decomp. Prods. Heated to decomp., emits acrid smoke and irritating fumes Uses Stabilizer migrating from food pkg. in food-pkg. adhesives Regulatory FDA 21CFR 175.105, 181.29 Ammonium propionate CAS 17496-08-1 El NECS/ELINCS 241-503-7 Synonyms Propanoic acid, ammonium salt... 

Dimethyl [3-(oleoylamino) propyl] ammonium propionate. See Oleamidopropyl dimethylamine propionate N,N -Dimethylol ethylene urea CAS 28906-87-8 Synonyms DMEU Empirical C5H10N2O3 Properties M.w. 146.14 Uses Amino resin modifier leather tanning aux. textile aux. for permanent press finishes... 

Luprenal . See Polyacrylic acid Lupromag . See Magnesium propionate Luprosil NC 64. See Ammonium propionate Luprosll Salt See Calcium propionate Luprosil Sodium Salt. See Sodium propionate Luprosll Special. See Calcium propionate Luprosil . See Propionic acid Lupulin. See Lupulin (Humulus lupulus)... 

Oleamidopropyl dimethylamine oxide. See Oleamidopropylamine oxide Oleamidopropyl dimethylamine propionate CAS 67801-61-0 EINECS/ELINCS 267-181-8 Synonyms Dimethyl [3-(oleoylamino) propyl] ammonium propionate Classification Organic salt Empirical C23H46N20 C3He02 Uses Antistat in cosmetics... 

Propanoic acid, ammonium salt. See Ammonium propionate Propanoic acid anhydride. See Propionic anhydride... 

Poly (hexamethylenebiguanide) hydrochloride preservative, cosmetics 6-Acetoxy-2,4-dimethyl-m-dioxane Ammonium benzoate Ammonium bisulfite Ammonium propionate Ammonium sulfite Behentrimonium chloride Benzalkonium bromide Benzalkonium chloride Benzalkonium saccharinate Benzethonium chloride... 

Ammonium propionate Luprosil NC 64 17526-94-2 Erisys U-410 Omicure 24 Omicure U-24 Omicure U-410 Toluene bis (dimethyl urea)... 

C3H6O2 %Zr Zirconium propionate C3H6O2 ViMg Magnesium propionate C3H6O2 H3N Ammonium propionate C3H6O2S... 

The aminolysis of 4-nitrophenyl acetate in reversed micelles of dodecyl-ammonium propionate (DAP) is dependent upon the chain length of the amine and shows a rate increase of up to 50-fold compared with that in the absence of surfactant, which is attributed to catalysis by the surfactant The addition of water decreases the observed rates owing to hydration of the dodecylammonium propionate head groups. In the presence of bis(2-ethylhexyl) sodium sulpho-succinate the rate of hydrolysis of 4-nitrophenyl carboxylates catalysed by A -methylimidazole decreases with increasing chain length of the ester group and increases as a function of added water reflecting the importance of distribution of the reactants between the bulk solvent and the micellar water pool . ... 

The hydrolysis of alkyl 4-nitrophenyl carbonates is catalysed by dodecyl-ammonium propionate reversed micelles in benzene and hexane. The rate enhancement is attributed to an entropy effect of trapping the reactants in the water pool and to general acid-base catalysis by the ammonium-carboxylate ion-pairs. ... 

BAP, HAP, OAP and DEAP are the butyl, hexyl, octyl and decyl ammonium propionates DAB and DAN are dodecylammonium butanoate and nonanoate. From [109]. 

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