Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
  • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
  • C07F9/02—Phosphorus compounds
  • C07F9/06—Phosphorus compounds without P—C bonds
  • C07F9/16—Esters of thiophosphoric acids or thiophosphorous acids
  • C07F9/165—Esters of thiophosphoric acids
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
  • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
  • C07F9/02—Phosphorus compounds
  • C07F9/025—Purification; Separation; Stabilisation; Desodorisation of organo-phosphorus compounds
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
  • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
  • C07F9/02—Phosphorus compounds
  • C07F9/06—Phosphorus compounds without P—C bonds
  • C07F9/08—Esters of oxyacids of phosphorus
  • C07F9/09—Esters of phosphoric acids
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
  • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
  • C07F9/02—Phosphorus compounds
  • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
  • C07F9/645—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having two nitrogen atoms as the only ring hetero atoms
  • C07F9/6509—Six-membered rings
  • C07F9/6512—Six-membered rings having the nitrogen atoms in positions 1 and 3
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10S260/00—Chemistry of carbon compounds
  • Y10S260/15—Antistatic agents not otherwise provided for
  • Y10S260/16—Antistatic agents containing a metal, silicon, boron or phosphorus

Definitions

• the present invention concerns a proces's forthe stabilising of. phosphoric acid estersf 'which can hefused, I
• ananalogous composition in which: 1 part of xylene has been replaced by 1 part 0t epichlorohydrin, remains j stable, i. e.- there is no loss; oflcontent of the thiophosphoric acid, ester named.
• esters of all acids of pentavalent and 7 also trivalent phosphorus are meant by phosphoric ;acid
• esters thus, for example, apart from the esters of ""rtho phosphoric acid alsothose.
• thiophosphoric :acid-[2-isopropyl-4- V methyl-pyrimidyl;@llfdiethyl ester has sunk to 20 parts whereas in this case also,- thecontent: of the thiophosphorie acid ester named remainsunchanged when can analogous composition containing 3 parts .of epichlorothose of phosphorous acid and of phosphonic and phos- I phinic acids are to be understood.
• the invention is particularly concerned, however, with the stabilising of thiophosphoric acid l2-isopropyl-4-methyl-pyrimidyl-(6)1- diethyl ester and phosphoric acid-l3-methyl-pyrazolyl- (5)1-diethyl ester.
• active ingredients for'pesticides .of all types as pure substances, as technical crude substances, as ready-for-use preparationsor as solid, semi-solid or liquid concentrates for the production of the latter are meant by phosphoric acid esters to be stabilised.
• additives to lubricants and fuels can also be, for example, additives to lubricants and fuels, antistatic agents and flame-proofing a as xylene, benzene, diesel oil, kerosene, spindle oil or a petrolatum product, and 2-30% (calculated on the weight h dr n: .in t adlvi 3 par s "9f. Y sizc ns sat Product is-stored mh ane c u i enw I Y i YQ EJEampIe'3 jan alkyd.
• phenol-ethylene" ""oiiid'e” condeils condensation product of 1 mol of nonyl-,'octy1- or isooetyl-phenolwith 5-10 mols of ethylene oxide
• parts of'xylene is stored for 130 days at At the end of this time, the content of phosphoric acid-[3- methyl-pyrazolyl-(S)l-diethyl ester has'sunk to 10 parts.
• Example 1 An emulsifiable solution for the preparation of insecticidal emulsions consisting of I V 20 parts of thiophosphoric -acid-.l2 isopropyl-4 rnethylpyrirnidyl-(6)l-diethyl'ester- 35 parts, of an alkylphenol-ethylene oxide condensation has been replaced by 1 part of epichlorohydrin, remains unchanged after storing under the same conditions.
• Example 6 The solution of Example 5 can also be stabilised if I 4 parts of cyclohexene oxide are usedinstead of 4 parts product (condensation product of 1 molvof nonylof propylene oxide.
• Example 7 r emulsified stabilised solutionaccording to the V uti omhaving i a high concentration present invention which canibe used forthe preparation of an insecticidal emulsion is obtained by dissolving I 40 parts of thiophosphoric acid-[2-isopropyl-4-methylpyrimid yl- (6 )']-diethyl es ter, 2 y,pa-rts ot an -alkyl phenol-ethylene oxide condensation product (condensation product of 1 mol of nonyl-, octylor iso-octyl-phenol with -10 mols of ethylene oxide) and 12 parts of styrol oxide in 28 parts of xylene.
• Example '8 Another emulsifiable stabilised solution according to the present invention isobtained by dissolving 25 parts of thiophosphoric acid[2#isopropyl 4 methyl-pyrimidyl- (6)1-diethyl ester, 1 0 parts 'of 'en alkyl' phenohethylene oxide condensation product (condensation product of 1 mol of nonyl-,roctyl-, or is ooctyl-p henol with 5-10 mols of ethylene oxide) and 0.5 part "of cyclohexene oxide in 64.5 parts of benzene. r
• aphosphoric acid dialkyl ester selected from the group consisting of thiophosphoric acid-[Z-isopropyl 4 methyl-pyrimidyl-(6) 1- diethyl ester and phosphoric acid-[3-methyl-pyrazoly1- (5)]-diethyl ester, which comprises adding to'sa'id ester from 2% to 30%, calculated ,on the weight of said ester, of a stabilising agent-selected from th e grou consisting 4.
• composition of matter comprising a phosphoric acid dialkyl ester selected from the group consisting of thiophospho'ric acid-[2i'sopropyl 4 methyl pyrimidyl- (6)]-diethyl ester and phosphoric a'cid-[3-methyl-pyrazolyl-(S)]-diethyl ester,' and from 2% to calculated on the weight of said esters, of a stabilising agent selected from the group consisting of epichlorohydrin, cyclohexene oxide, propylene oxide and styrol oxide.
• a stabilising agent selected from the group consisting of epichlorohydrin, cyclohexene oxide, propylene oxide and styrol oxide.
• composition of matter comprising thiophosphori'c acid-[2-isopropyl-4methyl-pyrimidyl-( 6) 1 -diethyl ester, and from 2% to 30%, calculated on the, weight of said ester, of .the stabilising :agent epichlorohydrin.
• composition of matter comprising phosphoric 'acid-[3-methyl pyrazolyl-(5)l-diethyl ester,- and from 2 %'to 30%,.calculated onthe weight of the said ester,

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Biochemistry (AREA)
• General Health & Medical Sciences (AREA)
• Molecular Biology (AREA)
• Agricultural Chemicals And Associated Chemicals (AREA)

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Citations (1)

• 1956
  • 1956-11-30 CH CH348284D patent/CH348284A/de unknown
• 1957
  • 1957-11-18 US US696921A patent/US2925419A/en not_active Expired - Lifetime
  • 1957-11-29 GB GB37210/57A patent/GB848485A/en not_active Expired
  • 1957-11-29 FR FR1187378D patent/FR1187378A/fr not_active Expired
  • 1957-11-29 DE DEG23446A patent/DE1107228B/de active Pending

Patent Citations (1)

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