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2-Acrylamide-2-methylpropanesulfonic acid CAS 15214-89-8
2-Acrylamide-2-methylpropanesulfonic acid (AMPS) yog vinyl monomer nrog sulfonic acid pawg. Nws muaj qhov zoo thermal stability, nrog rau qhov decomposition kub txog 210 ° C, thiab nws cov sodium ntsev homopolymer muaj qhov decomposition kub txog 329 ° C. Hauv cov tshuaj aqueous, tus nqi hydrolysis qeeb, thiab sodium ntsev tov muaj hydrolysis zoo heev nyob rau hauv siab pH. Nyob rau hauv acidic tej yam kev mob, lub hydrolysis tsis kam ntawm nws copolymer yog ntau dua li ntawm polyacrylamide. Cov monomer tuaj yeem ua rau hauv cov muaju lossis rau hauv cov kua dej ntawm sodium ntsev. 2-Acrylamide-2-methylpropanesulfonic acid muaj cov khoom zoo complexing, adsorption zog, lom neeg ua hauj lwm, deg kev ua si, hydrolysis stability thiab thermal stability.
Kev siv
1. Kev kho dej: Homopolymer ntawm AMPS monomer lossis copolymer nrog acrylamide, acrylic acid thiab lwm yam monomers tuaj yeem siv los ua cov sludge dehydrating tus neeg saib xyuas hauv cov txheej txheem dej phwj tuaj, thiab tuaj yeem siv ua hlau, zinc, txhuas, thiab tooj liab hauv cov dej kaw. circulation systems. Raws li corrosion inhibitors rau alloys; Nws kuj tseem siv tau los ua descaling thiab antiscaling agents rau cov cua sov, cov yees txias, cua purifiers thiab roj purifiers.
2. Oilfield chemistry: Daim ntawv thov ntawm cov khoom nyob rau hauv lub teb ntawm oilfield chemistry yog tsim sai heev. Lub peev xwm ntawm kev koom tes suav nrog cov roj zoo cement admixtures, drilling kua dej kho cov neeg ua haujlwm, acidizing kua, fracturing kua, tiav kua thiab workover kua additives, thiab lwm yam.
3. Synthetic fibers: AMPS yog ib qho tseem ceeb monomer uas txhim kho cov khoom zoo ntawm qee cov hluavtaws fibers, tshwj xeeb tshaj yog acrylic lossis acrylic fibers. Nws qhov ntau npaum li cas yog 1% -4% ntawm fiber ntau, uas tuaj yeem txhim kho cov xim dawb thiab dyeability ntawm fiber ntau. , antistatic, breathable thiab nplaim retardant.
4. Sizing rau textiles: Ib copolymer ntawm 2-acrylamido-2-methylpropanesulfonic acid, ethyl acetate, thiab acrylic acid. Nws yog ib qho zoo tagnrho sizing tus neeg saib xyuas rau paj rwb thiab polyester blended fabrics. Nws yog ib qho yooj yim siv thiab yooj yim tshem tawm nrog dej. Nta.
5. Papermaking: Cov copolymer ntawm 2-acrylamide-2-methylpropanesulfonic acid thiab lwm yam dej-soluble monomers yog ib qho khoom siv tsis tau rau ntau yam ntawv zeb. Nws tuaj yeem siv los ua cov dej pab cuam, tus neeg sawv cev sizing, thiab ua kom muaj zog ntawm daim ntawv thiab kuj tseem ua cov pigment dispersant rau xim txheej.
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(2-CARBOXYETHYL) DIMETHYLSULFONIUM chloride CAS 4337-33-1
DMPT yog qhov zoo tshaj plaws thib plaub-tiam cov khoom noj hauv dej uas nyiam nrhiav pom tam sim no. Qee tus neeg siv lo lus "ntses tom pob zeb" los piav qhia meej txog nws cov khoom noj ntxim nyiam - txawm tias nws pleev xim rau ntawm pob zeb, ntses yuav tom nws. Pob zeb. Kev siv DMPT feem ntau yog siv nuv ntses los txhim kho cov kab nuv ntses zoo nkauj thiab ua kom yooj yim rau cov ntses tom tus nuv. Kev lag luam siv DMPT yog raws li cov khoom noj ntsuab ntsuab ntxiv los txhawb kev noj zaub mov ntawm cov tsiaj hauv dej thiab nce lawv txoj kev loj hlob.
Qhov ntxov tshaj plaws dimethyl-beta-propionate thiatin yog ib qho ntshiab natural compound muab rho tawm los ntawm seaweed. Qhov tseeb, cov txheej txheem ntawm kev tshawb pom dimethyl-beta-propionate thiatin kuj tau pib los ntawm seaweed: cov kws tshawb fawb pom tias cov ntses seaweed kuv nyiam noj seaweed, yog li kuv pib kawm txog cov khoom noj khoom haus hauv seaweed. Tom qab ntawd kuv pom tias yog vim li cas ntses nyiam noj seaweed yog seaweed muaj DMPT ntuj.
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N, N-Diethylhydroxylamine CAS: 3710-84-7
N, N-Diethylhydroxylamine CAS: 3710-84-7
tshuaj muaj zog
Colorless pob tshab kua. Nws tsw zoo li ammonia. Yooj yim soluble hauv dej, soluble hauv ethanol, ether, chloroform, benzene.
Nws yog siv los ua olefin polymerization inhibitor, davhlau ya nyob twg polymerization inhibitor, thiab ua vinyl monomer hauv cov txheej txheem ntawm cov roj hmab hluavtaws. Raws li cov tshuaj tiv thaiv antioxidant thiab stabilizer, nws tuaj yeem siv dav hauv photosensitive resins, photosensitive emulsions, hluavtaws latex, thiab lwm yam. Nws kuj tseem siv tau los ua cov terminator rau emulsion polymerization, photochemical smog inhibitor, thiab lwm yam. kev loj hlob.
Ntim, cia thiab thauj
Packed nyob rau hauv cov yas liner chim los yog resin chim. Cov khoom no yuav tsum tau muab ntim rau hauv ib qho chaw txias, qhuav warehouse thiab tiv thaiv hluav taws. -
Dipropylamine CAS No.: 142-84-7
Dipropylamine, tseem hu ua di-n-propylamine, yog ib qho flammable, muaj kuab heev corrosive uas muaj nyob rau hauv cov xwm hauv cov nplooj ntawv luam yeeb thiab cov khoom siv pov tseg.
Di-n-propylamine yog cov kua tsis muaj xim thiab pob tshab. Muaj ammonia tsw. Yuav tsim hydrates. Yooj yim soluble hauv dej, ethanol thiab ether. Daim ntawv hydrate nrog dej. Qhov ceev 0.738, melting point -63 ℃, boiling point 110 ℃, flash point 17 ℃, refractive index 1.40445.
Di-n-propylamine tuaj yeem siv los ua cov kuab tshuaj thiab qhov nruab nrab hauv kev tsim cov tshuaj, tshuaj tua kab, tshuaj zawv plaub hau, tshuaj ntxhia flotation agents, emulsifiers thiab tshuaj zoo. Txoj kev npaj yog siv propanol li raw khoom, thiab tau txais los ntawm catalytic dehydrogenation, ammonia, lub cev qhuav dej thiab hydrogenation. Cov tshuaj tiv thaiv catalyst yog Ni-Cu-Al2O3, lub siab yog (39 ± 1) kPa, lub reactor kub yog (Chemicalbook190 ± 10) ℃, qhov chaw tshaj tawm ntawm propanol yog 0.05 ~ 0.15h-1, thiab raw khoom piv yog propanol: ammonia ∶ Hydrogen = 4: 2: 4, dipropylamine thiab tripropylamine tau txais tib lub sijhawm, thiab dipropylamine tuaj yeem tau los ntawm kev faib tawm. -
Diethylenetriaminepentaacetic acid CAS: 67-43-6
Diethylenetriaminepentaacetic acid CAS: 67-43-6
Diethylenetriaminepentacetic acid (DTPA), tseem hu ua diethylenetriaminepentacetic acid, yog ib qho zoo heev aminocarboxylic complexing tus neeg sawv cev uas muaj zog chelating zog. Cov complex nws tsim nrog cations feem ntau yog zoo dua li ntawm ethylenediaminetetraacetic acid. Qhov sib thooj chelate yuav tsum ruaj khov.
Raws li tus neeg saib xyuas kev ua haujlwm siab, diethylene triamine pentaacetic acid tuaj yeem siv rau hauv cov xim inhibitors hauv acrylic fiber ntau lawm, ntawv kev lag luam, dej softeners, textile auxiliaries, chelating titrants, xim photography thiab zaub mov industries. Nws kuj yog siv rau hauv kev kho mob, tsis tshua muaj lub ntiaj teb ntsiab Nws kuj yog siv dav hauv kev sib cais thiab kev ua liaj ua teb.
Cov khoom no yog dawb crystalline hmoov los yog crystalline hmoov. Melting point 230 ℃ (decomposition), soluble nyob rau hauv dej kub thiab alkali tov, me ntsis soluble nyob rau hauv dej txias, insoluble nyob rau hauv organic solvents xws li cawv ethers. -
DIALLYL ISOPHTHALATE CAS TSIS TAU: 1087-21-4
DIALLYL ISOPHTHALATE CAS: 1087-21-4, Kuj hu ua qib plaub reagent.Belongs rau propyl ester compounds.
Diallyl isophthalate polymers zoo sib xws hauv kev npaj, khoom thiab kev siv rau diallyl isophthalate polymers tau piav qhia saum toj no. Mouldings raws li diallyl isophthalate yog kim dua tab sis muaj kev txhim kho thermal stability (tuaj yeem tiv taus kub txog li 220 ° C rau lub sijhawm ntev) thiab tsis kam mus rau cov kuab tshuaj organic.
Nws yog lub teeb daj oily kua. Me ntsis tsw. Miscible nrog ethanol, insoluble hauv dej.
Feem ntau yog siv rau kev tshawb fawb biochemical. Organic Synthesis. Kev npaj ntawm kub kub resin. -
N, N-Bis (2-cyanoethyl) aniline CAS: 1555-66-4
N, N-Bis (2-cyanoethyl) aniline CAS: 1555-66-4
Dawb crystal hmoov. Yooj yim soluble hauv cov kuab tshuaj organic, dilute acids thiab dilute alkali, tab sis insoluble hauv dej. Siv ua dye intermediate.
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N, N-Dimethylbenzylamine CAS: 103-83-3
N, N-Dimethylbenzylamine CAS: 103-83-3
N, N-dimethylbenzylamine feem ntau yog siv los ua ib qho reagent hauv organic synthesis thiab ua ib qho catalyst rau cov synthesis ntawm polyurethane ua npuas ncauj thiab epoxy resin. Nws reacts nrog Os3 (CO) los tsim ib pawg triosmium.
N, N dimethylbenzylamine hauv methanol-tetra-N-butyl ammonium fluoroborate thiab methanol-potassium hydroxide. Siv nyob rau hauv cov synthesis ntawm bis [(N, N-dimethylamino)benzyl]selenoether. Nws kuj tseem siv tau los ua cov organic synthesis nruab nrab, dehydrogenation catalyst, preservative, acid neutralizer, thiab lwm yam.
Nws yog xim tsis muaj xim rau lub teeb daj flammable kua. Nws tsw zoo li ammonia. Yooj yim soluble hauv ethanol thiab ether, tsis yooj yim soluble hauv dej.
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4-Methyldiphenylamine CAS: 620-84-8
4-Methyldiphenylamine CAS: 620-84-8
Organic raw cov ntaub ntawv: cycloalkylamines, aromatic monoamines, aromatic polyamines thiab lawv cov derivatives thiab ntsev.Pearance yog dawb crystal.Mainly siv rau organic synthesis intermediates, synthesis ntawm organic functional cov ntaub ntawv thiab tshuaj, nrog rau photochemistry thiab kua siv lead ua kua intermediates. Insoluble hauv dej. Soluble nyob rau hauv benzene, toluene, methanol, ethanol. rau qhov chaw cia, Khaws rau hauv qhov chaw tsaus, kaw hauv qhuav, Chav Kub.
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N, N-Dimethylacetamide CAS: 127-19-5
N, N-Dimethylacetamide CAS: 127-19-5
Cov khoom siv tshuaj lom neeg: Cov khoom siv tshuaj lom neeg zoo ib yam li N, N-dimethylformamide, thiab nws yog tus sawv cev amide hnyav. Thaum tsis muaj kua qaub los yog alkali, nws yuav tsis decompose thaum rhuab mus boiling nyob rau hauv ib txwm siab, yog li nws yuav distilled nyob rau hauv ib txwm siab. Tus nqi hydrolysis qeeb heev. Thaum N, N-dimethylacetamide muaj 5% dej yog rhuab ntawm 95 ° C rau 140 teev, tsuas yog 0.02% yog hydrolyzed. Txawm li cas los xij, nyob rau hauv muaj cov kua qaub thiab alkali, tus nqi hydrolysis nce. Saponification tshwm sim thaum rhuab nyob rau hauv lub xub ntiag ntawm ib tug muaj zog alkali.
daim ntawv thov
1. Pharmaceutical intermediate dimethylacetamide yog ib qho tseem ceeb ntawm cov tshuaj raw khoom thiab yog dav siv nyob rau hauv zus tau tej cov amoxicillin, cephalosporins thiab lwm yam tshuaj. Raws li cov kuab tshuaj los yog cocatalyst, dimethylacetamide tuaj yeem txhim kho cov khoom zoo thiab tawm los piv nrog cov kuab tshuaj organic. Xyoo 2000, qhov kev thov rau dimethylacetamide hauv kev lag luam kws tshuaj yog kwv yees li 6kt. Qhov kev thov rau dimethylacetamide hauv xyoo 2006 yog kwv yees li 9.6kt. 2. Acrylic fiber ntau Hauv kev tsim cov acrylic fiber ntau, qee qhov siv txoj kev dimethylacetamide. Tam sim no, domestic acrylic fiber ntau lawm Cov Tshuaj muaj xws li sodium thiocyanate ob-kauj ruam txoj kev, dimethylformamide ib-kauj ruam txoj kev thiab dimethylacetamide organic ntub txoj kev raws li cov kuab tshuaj. Los ntawm qhov kev xav ntawm cov txheej txheem thiab cov yam ntxwv ntawm cov khoom siv, cov khoom siv, kev cuam tshuam ib puag ncig, cov khoom zoo, Ntau yam xws li kev ua haujlwm tom qab ua tiav, tus nqi hauv cheeb tsam thiab kev txhim kho txawv teb chaws tau nce daim ntawv thov kev tshawb fawb thiab kev txhawb zog. Dimethylacetamide tau siv los ua kev sib piv. Sodium thiocyanate ob-kauj ruam txoj kev thiab dimethylacetamide organic ntub txoj kev tau siv. Txoj kev vam meej tshaj plaws. Tam sim no, ntau cov khoom siv acrylic fiber ntau hauv Suav teb siv cov txheej txheem ntub dej siv dimethylacetamide ua cov kuab tshuaj. -
Alcohol CAS 107-18-6
Alcohol CAS 107-18-6
xwm
Cov kua tsis muaj xim nrog pungent mustard tsw. kwv tij density o. 8520. Kov taw tes -129 ℃. Kub taw tes 96.9 ℃. Qhov ntsuas kub tseem ceeb yog 271.9 ℃. Flash point (kaw khob) 22.2 ℃. Nws ua vitreous ntawm -190 ℃. Refractive index 1. 4132. Miscible nrog dej, ether, ethanol, chloroform thiab roj av ether.
siv
Nws yog ib qho nruab nrab rau kev tsim cov glycerin, tshuaj, tshuaj tua kab, tshuaj tsw qab thiab tshuaj pleev ib ce, thiab tseem yog cov khoom siv raw rau kev tsim cov diallyl phthalate resin thiab bis (2,3-bromopropyl) fumarate. Silane derivatives ntawm allyl cawv thiab copolymer nrog styrene yog dav siv nyob rau hauv coatings thiab iav
kev lag luam fiber ntau. Allyl urethane tuaj yeem siv rau hauv photosensitive polyurethane coatings thiab casting industries.
kev nyab xeeb
Nws muaj cov ntxhiab tsw tshwj xeeb thiab tuaj yeem ua rau lub qhov muag, tawv nqaij, caj pas, thiab cov mucous. Thaum mob hnyav, nws tuaj yeem ua rau dig muag. Kev ua raws li daim tawv nqaij tuaj yeem ua rau nws tig liab thiab ua rau kub hnyiab, thiab sai sai absorbed los ntawm daim tawv nqaij, ua rau daim siab mob, nephritis, hematuria thiab lwm yam tsos mob. Ib qho tshuaj lom cawv ntau tshaj plaws, qhov ncauj LD50 hauv nas yog 64rng / kg. Dog qhov ncauj LD50 40mg / kg. Qhov siab tshaj plaws tso cai rau huab cua ntawm qhov chaw tsim khoom yog 5rng / m3. Nyob rau ntawm no concentration, qhov khaus khaus heev thiab tsis tuaj yeem zam tau ntev. Yog tias nws tawg rau ntawm daim tawv nqaij, yaug nrog dej thiab siv cov tshuaj muaj roj. Hnav cov khoom tiv thaiv thaum ua haujlwm. -
Dicyclohexylamine CAS: 101-83-7
Dicyclohexylamine CAS: 101-83-7
Dicyclohexylamine yog npaj los ntawm kev siv aniline ua raw khoom thiab hydrogenating nws ntawm qhov kub thiab txias siab nyob rau hauv lub xub ntiag ntawm ib tug catalyst.
Nws yog dav siv los ua ib qho nruab nrab hauv cov organic synthesis thiab tuaj yeem siv los npaj cov tshuaj zas xim intermediates, roj hmab accelerators, nitrocellulose xim, tshuaj tua kab, catalysts, preservatives, roj theem corrosion inhibitors thiab roj antioxidant chemical phau ntawv additives, thiab lwm yam. . Fatty acid ntsev thiab sulfates ntawm dicyclohexylamine muaj cov stain-tshem cov khoom ntawm xab npum thiab siv rau hauv kev luam ntawv, dyeing thiab textile industries. Nws cov hlau complexes yog siv los ua catalysts rau inks thiab xim.
Tsis muaj xim thiab pob tshab oily kua nrog pungent ammonia tsw. Me ntsis soluble nyob rau hauv dej, miscible nrog organic solvents.
