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959 POTASSIUM PHOSPHATE, MONOBASIC
<br /> ,lyrical chemistry, source of rotechnics and flares, reagent, oxidizer in solid Derivation:By electrolysis of a saturated solution
<br /> Ing and cleaning, removing rocket propellants. of potassium sulfate.
<br /> photography. Hazard: Fire risk in contact with organic materi•
<br /> potassium periodate. CAS: 7790-21-8. als. Strong irritant and oxidizing agent.
<br /> O' KIO, Use: Bleaching, oxidizing agent, reducing agent
<br /> stalline mass. Soluble in wa- Properties:Small,colorless crystals or white,gran- in photography, antiseptic, soap manufacture,
<br /> n hydroxide, soluble in alto- ular powder. Slightly soluble in water, d 3.168, analytical reagent, polymerization promoter,
<br /> 32 (0C), decomposes 350C. mp 582C, explodes at 1076F (580C). pharmaceuticals, modification of starch, flour-
<br /> 19 potassium nitrate and me- Grade: Technical, CP, reagent. maturing agent, desizing of textiles.
<br /> Hazard: Fire risk in contact with organic materi-
<br /> tissue. als,strong oxidizing agent. Strong irritant to tis- Potassium a- henox eth 1Penicillin.
<br /> (potassium sue.
<br /> penicillin 152; potassium phenethicillin; phe-
<br /> Use: Analysis (oxidizing agent). nethicillin). KC17HjsN2O5S. S ntheti-
<br /> bate. See niobium poise- tally prepared, a mixture of two stereoisomers.
<br /> potassium permanganate. CAS: 7722-647. Properties: White, crystalline solid; moderately
<br /> KMnO.. hygroscopic.Decomposes above 2200,very solu-
<br /> hloride. See palladium po- Properties:Dark purple crystals with blue metallic ble in water, resistant to acid decomposition.
<br /> sheen; sweetish, astringent taste; odorless. Solu- Preparation: By N-acylation of a-phenoxypro-
<br /> ble in water,acetone,and methanol;decomposed pionic acid and G-aminopenicillanic acid (pro-
<br /> (benzyipenicillin potas- by alcohol. D 2.7032, mp decomposes at 240C, duced by fermentation using Penicillium chry-
<br /> 3-98-4. C,eH17KN2O,S. oxidizing material. sogenum).
<br /> or white crystals or powder, Derivation: (a) By oxidation of the manganate in Grade: NF.
<br /> hygroscopic,solutions dex- an alkaline electrolytic cell. (b) A hot solution Use: Antibiotic.
<br /> y stable to air and light.Very of the manganate is treated with carbon dioxide;
<br /> saline, and in dextrose solu- on cooling, the solution deposits crystals of the
<br /> luble in alcohol; pH of solo- permanganate. potassium phenoxymethylpenicillin. (potassium
<br /> 5.0-7.5; mp 214-217C (de- Grade: Technical, CP, USP. penicillin V). CAS: 132-98-9.
<br /> Hazard:Dangerous fire and explosion risk in con- KCisH,7N2O1S.
<br /> tact with organic materials; powerful oxidizing Properties: White, odorless, crystalline powder.
<br /> otic). agent. Very soluble in water,slightly soluble in alcohol,
<br /> Use: Oxidizer, disinfectant, deodorizer, bleach, insoluble in acetone.
<br /> dye, tanning, radioactive decontamination of Grade: USP.
<br /> See potassium phenoxy-
<br /> skin, reagent in analytical chemistry, medicine Use: Antibiotic.
<br /> (antiseptic), manufacture of organic chemicals,
<br /> .. CAS: 589-97-9. air and water purification. potassium phosphate, dibasic. (DKP; potassium
<br /> hydrogen phosphate;potassium monophosphate;
<br /> vhite mass, keep away from Potassium perosmate. See potassium osmate. dipotassium orthophosphate).
<br /> soluble in water (liberates CAS: 7758-11-4. KrHPO,.
<br /> )C potassium peroxide. CAS: 17014.71-0. Properties:Hygroscopic,white crystals or powder;
<br /> KsOs. very soluble in water; converted to pyrophos•
<br /> t to tissue. Fire risk in con- Properties: Yellow,amorphous mass;decomposes phate by ignition.
<br /> iaterials, strong oxidiziin water evolving oxygen; mp 490C. Derivation: Action of phosphoric acid on potas-
<br /> ng Derivation: Oxidation of potassium in oxygen. slum carbonate.
<br /> for cerium,chromium, va- Hazard:Dangerous fire and explosion risk in con- Grade: Commercial, pure, highest purity, NF,
<br /> foto raPhy'textile printing. tact with organic materials, strong oxidizing FCC.
<br /> 8 agent. Irritant to skin and tissue. Use: Buffer in antifreezes, ingredient of"instant"
<br /> Use: Oxidizing agent, bleaching agent, oxygen- fertilizers, nutrient for penicillin culturing, hu-
<br /> CAS: 7778-747. generating gas masks. mectant, pharmaceuticals. In foods as a buffer,
<br /> sequestrant, and yeast food. Laboratory reag-
<br /> rystals or white,crystalline potassium peroxydisulfate. See potassium persul- ent.
<br /> I by concussion, organic fate.
<br /> ubject to oxidation; more
<br /> chlorate.Soluble in water, potassium potassium phosphate, monobasic. (MKP; tas-
<br /> peroxymonosulfate. See "Oxone." slum acid phosphate; potassium diphosphate;
<br /> J 2.524, mp 400C (decom- potassium orthophosphate; potassium dihydro-
<br /> potassium persulfate. (potassium peroxydisul- gen phosphate). CAS: 7778-77-0.
<br /> ntactent, ordnance. fate). CAS: 7727-21-1. K2S208- KH,PO..
<br /> igen.with organic materi- Properties: White crystals, soluble in water, in- Properties: Colorless crystals, acid in reaction,
<br /> gen[. Strong irritant. soluble in alcohol, d 2.477, m
<br /> ng agent,photography,py P decomposes be- soluble in water, insoluble in alcohol, d 2.338,
<br /> low 1000. mp 253C.
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