37 formaldehyde CAS 50-00-0

Shaanxi Bloom Tech Co., Ltd. yog ib qho ntawm cov neeg tsim khoom thiab lwm tus neeg ntawm 37 formaldehyde CAS 50-00-0 hauv Suav teb. Txais tos rau kev lag luam wholesale ntau qhov zoo 37 formaldehyde CAS 50-00-0 rau muag ntawm no los ntawm peb lub hoobkas. Cov kev pabcuam zoo thiab tus nqi tsim nyog muaj.

37 formaldehydeyog ib qho tshuaj organic, tseem hu ua formaldehyde, uas yog cov organic sib xyaw ua ke yog -92℃yog -19.5℃yog -19.5℃yog 0.815g / cm. Ib qho 35-40% formaldehyde cov kua roj ua kua txob feem ntau yog hu ua formalin daws. Nws yog cov roj tsis muaj kob uas muaj cov nyhuv stimulating ntawm lub qhov muag, qhov ntswg, thiab lwm yam yooj yim kom yaj hauv dej thiab ethanol. Cov kev xav tau ntawm cov kua aqueous tuaj yeem ncav cuag li 55%, feem ntau yog 35% -40%, thiab feem ntau yog 37 %de dej lossis formalin. Muaj kev ceev ceev, tshwj xeeb tshaj yog muaj zog hauv kev daws teeb meem alkaline. Tuaj yeem hlawv, chav thiab cov pa daim ntawv tawg ua ke. Nws muaj ntau cov kev siv nyob rau hauv kev lag luam xws li petrochemicals, kws tshuaj, textiles, thiab kev thauj mus los. Nws tuaj yeem siv los ua tshuaj tua kab mob thiab txuag tau los npaj cov khoom lag luam ntau yam xws li Phenico formins, melamine resins, urotropin, thiab pentaogytherol. Formaldehyde muaj lub zog tsis muaj zog thiab kua muag tawm ntawm cov tawv nqaij tsis zoo, thiab tuaj yeem ua rau cov nqaij tawv protein, thiab tuaj yeem ua rau cov nqaij tawv nqaij tawv nqaij los yog ua rau cov nqaij hauv zos necrosis

37 formaldehydeMuaj ntau cov kev siv hauv kev lag luam xws li petrochemicals, kws tshuaj, textiles, biochemistry, lub zog, thiab tsheb thauj mus los. Nws tuaj yeem siv los ua tshuaj tua kab mob thiab txuag, zoo li hauv kev npaj ntawm cov khoom siv ntau, urea formathyde, melamine resins, urotropin, thiab pentaavenol. Formaldehyde muaj lub zog tsis muaj zog thiab kua muag tawm ntawm cov tawv nqaij tsis zoo, thiab tuaj yeem ua rau cov nqaij tawv protein, thiab tuaj yeem ua rau cov nqaij tawv nqaij tawv nqaij ntawm cov nqaij daim nqaij hauv zos.

Hluavtaws resin

 

Qhov kev siv nyiaj ntau tshaj plaws ntawm formaldehyde yog nyob rau hauv kev tsim cov ntaub ntawv urea, uas tau siv cov khoom siv ua kom zoo nkauj, cov khoom siv tawv, cov nplaim hluav taws xob, nplaim taws cov khoom siv, thiab Flocculants rau dej phwj tuaj. Amino Resin tseem siv nyob rau hauv kev tsim cov ntaub ntawv molding, siv nyob rau hauv amino khoom siv yas yas cov khoom siv hluav taws xob, khoom siv tsev tsim khoom. Phenolic Resin tseem siv nyob rau hauv kev tsim cov khoom lag luam nres lub ncoo, khoom siv, xov tooj, thiab tshuab luam ntawv cov khoom siv. Cov Phenolic Tshwj Xeeb kuj siv hauv kev lag luam xws li aerospace thiab electronics.

Hluavtaws Polyols

 

Formaldehyde yog ib qho tseem ceeb raw rau cov synthesis ntawm polyolsthylitol (trihydrastyl presid, thiab 1,4-butanol los ntawm alkyne aldehyde txoj kev.

Cov hluavtaws hluavtaws thiab dyeing thiab xov ua tiav

 

Cov khoom siv hluavtaws ntxov tshaj plaws, yas ua rau siv cov ntaub ntawv pov tseg, tsuas yog siv rau cov khaub ncaws qis, muaj ntim khoom, thiab cov log log. Tseem tshuav qee cov khoom lag luam thiab daim ntawv thov nyob hauv Suav teb, North Kauslim, thiab Nyij Pooj.
Urea formaldehyde addition products, hydroxymethylurea and dihydroxymethylurea, are excellent fiber processing agents used to treat fabrics, blends of fibers with synthetic fibers or wool, which can give them wrinkle resistance, crush resistance, flame resistance, shrinkage resistance, and non ironing properties. Yog li ntawd, lawv muaj kev lag luam loj hauv kev tsim cov ntawv tiav ntawm cov ntaub.

 

Kev siv ntawm hydroxymethylmelamine derivatives thiab lawv cov khoom lag luam etherification rau cov ntaub npuag tuaj yeem ua rau muaj kev ntxuav dej siab dua li hydroxymethylurrea cov neeg sawv cev. Tetrahydroxymphoschoium chloride tus neeg sawv cev rau cov paj rwb thiab tshuaj tiv thaiv kab mob, tsuas yog siv rau cov ntaub npuag. Tus neeg sawv cev dawb ua tiav tau los ntawm kev rov ua kom zoo formaldehyde, urea, thiab Ethylamine.

Cov Roj Hmab Hluav Taws Xob thiab Ntxiv

 

Formaldehyde tseem muaj ntau cov kev siv hauv kev npaj roj hmab ntxiv. Cov hom kev sib ntxiv npaj nrog formaldehyde muaj xws li: tertioxidan freatened cob, para terting butin moca, vencanizing tus neeg sawv cev va-2, Methylene BIS (stearamide), 2,4,6-tris (dimethylaminomethyl) Phenol, Lub teeb Stabable Irgastab 2002, thiab lwm yam.

Yam Tshuaj Lom Zem

 

Formaldehyde yog cov khoom tseem ceeb rau cov khoom tseem ceeb rau cov tshuaj tua kab glyphosate. Nyob hauv Suav teb, tshuaj tua kab siv siv formaldehyde (polyformaldehy), siv tshuaj tsw qab, ua kua phosphoryrid, trothonpid, oopropylos, isopropylphosphate, lwm yam.
Qeeb Tso Tawm Chiv
Formaldehyde kua txiv muaj kuj tseem tuaj yeem siv cov noob qoob loo thiab cov hauv paus hniav, uas tuaj yeem tiv thaiv cov kab mob dub thiab ntxiv dag zog. Thaum lub sij hawm lub sijhawm tawg paj, tus nqi tsim nyog ntawm formaldehyde tov tuaj yeem txau tom teb kom tiv thaiv kab mob thiab nce tawm los.

Cov Tshuaj Txhua Hnub

 

Formaldehyde yog ib qho khoom siv tseem ceeb siv rau kev sib xyaw ua ke ntawm qee yam tshuaj lom neeg, xws li dej cawv}}} methoxybenhaldehyde (anise Aldehyde), Vanillin (Lily Aldehyde (Lily Aldehyde), Jasmamatate, Musk, Musk, Dihydroxyacetone, thiab lwm yam.

Antiseptic Kev daws

 

35% {{- 40% kev paub txog cov khoom siv roj ntsha, muaj cov tshuaj tua kab mob thiab cov tshuaj tua kab mob, cov hnoos qeev uas tau dhau los ua.
Qhov laj thawj tseem ceeb vim li cas thiaj li tsis kam lees txais cov khoom siv thiab cov tshuaj tua kab mob uas tsis muaj txiaj ntsig zoo ntawm cov protein uas ua rau muaj cov muaj sia muaj sia.

Mmedical siv

 

Raws li kev txhim kho, tus yuam sij rau kev txhim kho zoo ntawm37 formaldehydeYog qhov tsim ntawm tus ntoo khaub lig - txuas cov saw ntawm cov protein kawg pab pawg. Cov pab pawg ua haujlwm muaj kev koom tes nrog rau cov proteindehyde yog amino, kuab tshuaj, guanidine, hydrophobic, thiab cov rings uas muaj ntxhiab. Cov tshuaj tiv thaiv ntawm formaldehyde thiab hiorones tau muaj ntau haiv neeg thiab ua haujlwm, vim tias nws tuaj yeem khi cov pab pawg thiab cov ntawv sib koom ua ke ntawm lawv feem ntau. Formaldehyde muaj tus ntoo khaub lig no - kev sib txuas ua haujlwm, uas yog nws qhov tsis zoo. Hauv cov ntaub so tes tsau nrog formaldehyde

 

Immunohistochemistry yuav tsum muaj, thiab cov kev kho kom sov {}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}? Formaldehyde tuaj yeem npaj rau hauv cov yooj yim lossis sib xyaw. Qhov yooj yim thiab yooj yim tshaj plaws rau tus tswv yog coj 10 ml ntawm formaldehyde tov thiab ntxiv 90 ml dej, uas yog 10% formalin. Ntawm chav kawm, cov kev siv fixative tam sim no muaj cov txheej txheem tseev kom muaj, thiab nws yog qhov zoo tshaj plaws kom siv cov ntaub ntawv tsim kho tsis zoo, uas yuav tau txais txiaj ntsig zoo rau kev xav tau yav tom ntej immunohessochemical staining xav tau.

Los ntawm kev xav txog keeb kwm, formaldehyde yog ib qho zoo kho nrog ntau qhov zoo: tsawg dua cov nqaij shrinkage, tsis muaj kev puas tsuaj, thiab zoo dua kev khaws cia ntawm cov tshuaj tsis muaj kev cuam tshuam; Tsau thiab hnav ris tsho, nrog lub zog nkag siab zoo; Yuav tawv nqaij tawv, txhim kho cov nqaij mos elasticity, thiab pab txhawb kev hlais; Tuaj yeem khaws cov roj thiab nqaij nab; Tus nqi qis. Txawm hais tias formaldehyde muaj cov txiaj ntsig saum toj no, lawv yog tus txheeb ze thiab tsis muaj tshuaj pleev yuav muaj zoo meej. Nws kuj muaj ntau qhov tsis zoo: Nws muaj ntau cov kev tsis txaus siab, xws li methhanol, uas tuaj yeem ua kom cov enzymes thiab cuam tshuam cov kev cuam tshuam; Muaj cov kab ntawm cov formic acid, ua rau muaj cov paj ntawm cov fixative thiab cuam tshuam rau staining; Tuaj yeem tsim cov xim formalin, cuam tshuam rau kev soj ntsuam; Tsis tuaj yeem txhim kho urric acid thiab carbohydrates; Yooj yim rau evaporate, piluise cov ib puag ncig, thiab tuaj yeem ua rau cov hnoos qeev kom qhuav; Muaj peev xwm muaj nyob ntev nyob rau hauv ib lub koom haum ua haujlwm. Qee tus neeg tau ua qhov kev sim ua qhov twg tom qab kho cov ntaub so ntswg nrog formaldehyde khi rau 5 teev, tseem yuav tsum tau muab tshem tawm tom qab kev yaug nrog dej ntws (24 hnub). Nws tuaj yeem pom tias daim ntawv foos hais tias ntawm cov ntaub so ntswg tsis tuaj yeem tshem tawm vim tias kev kho mob biopsies tsis tuaj yeem siv sijhawm ntev los ntxuav cov ntaub so ntswg. Yog li ntawd, nws yuav tsum tau taw qhia tias nyob rau hauv ntau hom kev ua haujlwm ua haujlwm, thiab cov hau kev yuav tsum cuam tshuam rau ntau yam nws yuav cuam tshuam rau ntau yam nws yuav ua rau tsis ua haujlwm.

 

Nyob rau hauv thaum ntxov hnub, formaldehyde yog siv los ua tshuaj tua kab mob thiab txuag hauv kev lag luam kws tshuaj. Formaldehyde muaj ntau cov kev siv hauv cov ntaub so ntswg, cov khoom siv cov kab, cov kua nplaum, cov kua ntses tsw qab, roj, thiab cov ntaub dawb.
Formaldehyde tau siv dav hauv kev sib xyaw ntawm ntau yam tshuaj thiab cov mettophan, metylium, metyloos, siv metylimozole, 4-muttersylimidazole, sodium Hydroxshanesulfonate, salbutamol, bisoprol, hippuric acid, salicylic acid, Ketamine, thiab lwm yam.

Hauv cov kuab tshuaj organic, formaldehyde tuaj yeem yauv mus ntxiv cov tshuaj tiv thaiv catalytic ntxiv nrog cov monoolefins los tsim cov kev qaug cawv lossis sib xyaw ua ke. Hauv acetic acid daws, formaldehyde reacts nrog cov tshuaj pleev xim rau 1,3-diacetic acid butanediol. Hauv kev lag luam, formaldehyde tau siv los ua los ntawm isobutene los tsim isoprene, hu ua tus prins cov tshuaj tiv thaiv.

Hauv kev daws teeb meem alkaline, formaldehyde reacts nrog hydrogen Cyanide los ua acetonitrile cawv (hydroxyacetonitrile) Hoch2CN. Hauv kev lag luam, qhov tshuaj no yog siv los ua cov amino acid series cov khoom lag luam, feem ntau yog hu ua mannich cov tshuaj [21]. Txhawm rau npaj cov neeg sawv cev sib txawv ntawm cov neeg sawv cev nkauj siab tshaj plaws nta, N (CH2COOH) 3; AminoacetRile, H2Nch2cn; Methyleneaminoacetrile, ch 2= nch2cn; Diusyl Cyanamide, Hn (CH2CN) 2, thiab lwm yam.

Raws li kev nqis tes ua ntawm catalysts xws li tus tooj acetylene tooj liab, nyiaj, thiab mercury, formaldeyde reacts nrog monoalkynes los ua alkynes. Hauv kev lag luam, cov tshuaj tiv thaiv repoles cuam tshuam nrog ob qho kev tawm tsam ntawm acetylene nrog ib qho molecules ntawm acetylene los tsim 1,4-butanediol. Qhov tshuaj tiv thaiv no yog ib txoj kev tseem ceeb rau kev tsim khoom 1,4-butanediol hauv kev lag luam tam sim no.

Formaldehyde reacts nrog thawj amines los ua alkylaminomethanol, uas yog ntxiv rhuab los yog condensed nyob rau hauv Alkaline cov mob los tsim tertiary amines.

37 formaldehydeNws tus kheej maj mam tawm tsam cov tshuaj tiv thaiv kev hws, tsim cov khoom lag luam hydroxy, thiab lwm yam cov tshuaj tiv thaiv hydroxy, uas tuaj yeem nrawm qhov tshuaj tiv thaiv nyob rau hauv cov kev mob alkaline nyob rau hauv Alkaline tej yam kev mob. Formaldehyde tuaj yeem yauv tawm hws nrog ntau yam sib txawv, feem ntau yog hu ua lub cim kev coj ua. Nyob rau hauv Alkaline cov xwm txheej, hydroxymethyl derivatives ({}}}}}}}} mehlene derivatives yog tsim los ntawm kev ua kom pom zoo.

Nyob rau hauv lub xub ntiag ntawm alkali, formaldehyde thiab IsobutyalalThyde shrink los tsim neopentyl glycolede ntau dua formaldehyde nyob rau hauv cov kev mob alkaline ntau. Formaldehyde yog oxidized thiab reacts nrog naoh los ua sodium daim ntawv.

Nyob rau hauv lub xub ntiag ntawm alkali, formaldehyde condenses nrog n-}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} }ncrealydeyde nyob rau hauv Alkaline tej yam kev mob.

Vim tias muaj ob lub hydrogen atoms ntawm cov pa roj carbon atom ntawm CarbonyL pawg hauv Formaldehyde yooj yim rau polymerize. Txawm li cas los xij, cov roj qhuav qhuav tsis ruaj khov thiab tsuas yog cov polymerizes ntawm qhov kub hauv qab 100 degree. Thaum cov tshiab tsim cov kev daws teeb meem aqueouseque yog sab laug sawv ntsug sawv ntsug, nws yuav txiav qhov sib xyaw ntawm polyoxymethylitene glycol, thiab qee yam nag lossis daus, yuav tshwm sim. Formaldehyde cov tshuaj muaj roj ua ntej tuaj yeem yuav ua kom sov thiab tso tawm thaum tshav kub kub (63 kరAL / MOL) ntawm chav tsev kub nyob hauv lub thawv kaw. Gaseous fortherdehyde tuaj yeem ua tus kheej lub teb sov, thiab cov kev daws teeb meem enticformeshyde thaum lub sij hawm ua tus txheej txheem xim zoo nkauj

Cov roj ntshiab formaldehyde tuaj yeem tsim tawm los ntawm polyformaldehyde monomers (itcoreshyde purity tuaj yeem ncav cuag 90% -100% (ntim feem).

Nyob rau hauv qhov kev txiav txim ntawm kev cobalt lossis rhodium catalysts, formaldehyde tuaj yeem yi}} {{1} tuaj yeem ua kom ethylene glycol. Carboniclation cov tshuaj tiv thaiv, tseem hu ua formaldehyde hydroidylormation cov tshuaj tiv thaiv.

Raws li qhov kev txiav txim ntawm kev hloov pauv ntawm cov hlau catalysts, kua lossis tawv acid catalysyde undergonic acid, tseem hu ua hydroxyacetic acid.

Under the action of Co or Rh transition metal catalysts, formaldehyde undergoes carbonylation reaction with carbon monoxide in the presence of alcohols, producing malonic acid or malonic acid esters.

Nyob rau hauv lub xub ntiag ntawm acetamide, formaldehyde undergoes carbonylation cov tshuaj tiv thaiv los tsim cov acetyl glycine.

Nyob rau hauv kev txiav txim ntawm carbonsl Rhodium catheralyst thiab harvide promoter, formaldehyde tuaj yeem tsim cov tshuaj acetaldehyde, uas yog qhov ua kom zoo nkauj ntxiv los tsim ethanol.

Formaldehyde tau npaj txhij txog kev ruaj khov, thiab nws cov decomposition yog qeeb heev tsis muaj catalyst ntawm qhov kub hauv qab 300 degree. Lub decompostion tus nqi ntawm formaldehyde ntawm 400℃yog li 0.44% ib feeb (decomposition siab ntawm 101.3 kpa lossis 1 lub ntsiab ntawm decomposition yog CO thiab H2.

Cov hlau xws li PT, CR, CU, thiab xws li Cr2o3, Axo3, thiab lwm yam) me me) tuaj yeem ua rau cov tshuaj methhane, lossis lwm yam)

37 formaldehydetuaj yeem tau txais los ntawm dehydrogenation lossis oxidation ntawm catalhanol nyob rau hauv lub catalysis ntawm nyiaj, tooj thiab lwm yam hlau, thiab tseem tuaj yeem sib cais los ntawm cov khoom siv oxidation ntawm hydrocarbons. Nws tuaj yeem raug siv los ua cov ntaub ntawv raw rau phenolic Resin,- ecrenopine resin, pentaquatherol, tuag, tshuaj tua kab thiab tshuaj tua kab mob. Kev daws teeb meem formaldehyde Feem ntau muaj 37% formaldehyde thiab 15% methanol ua inhibitor, boiling taw tes 101 degree.

Lub Kaum Hlis 27, 2017, Lub Koom Haum Ntiaj Teb Kev Noj Qab Haus Huv Teb rau cov npe ntawm Carcinogens, muab cov ntaub ntawv tso rau hauv cov npe carcinogens. Thaum Lub Xya hli ntuj 23, 2019, formaldehyde tau teev nyob rau hauv cov npe ntawm cov tshuaj lom thiab muaj kev phom sij lim dej (thawj pob). Xyoo 1923, tom qab lub loj {{7} teev ntau lawm ntawm cov methanol los ntawm German basf tuam txhab, loj} Kev tsim cov formaldehyde muaj lub found zoo. Txoj kev methanol cua oxidation tau dhau los ua cov qauv feem ntau rau kev tsim cov kev lag luam ntawm kev lag luam formaldehyde. Cov qauv kuaj pom ntawm formaldehyde nyob rau hauv chav nyob, roj av thiab lwm yam zaub mov chromoography, kua chromatography, ua kua chromatography, sector txoj kev, thiab lwm yam.

Formaldehyde yog cov tshuaj sib txawv: tsis tseem ceeb tsis tau txaus ntshai, ubiquitous tsis tau tswj. Nws lub luag haujlwm hauv cov nplaum, thiab cov txheej txheem txheej txheem hauv nws cov nyiaj txiag, thaum nws muaj kev nyab xeeb carcinogenicity xav tau kev nyab xeeb kev nyab xeeb. Raws li kev tshawb fawb txog kev tshawb fawb, lwm txoj kev xaiv zoo li MDI resins thiab bioremediation muaj kev cia siab txoj kev txo hwj chim ntawm formaldehyde. Txawm li cas los xij, kev sib koom tes hauv ntiaj teb hauv kev tswj hwm thiab kev kawm pej xeem tseem ceeb heev rau kev ua raws li nws txoj kev noj qab haus huv thiab ib puag ncig.

Lub neej tom ntej ntawm formaldehyde hinges ntawm ntsuas invovation nrog lub luag haujlwm. Los ntawm kev puag lub ntsej muag ntsuab thiab cov tawv tawv saib xyuas, cov zej zog tuaj yeem ua rau nws cov txiaj ntsig thaum muaj kev tiv thaiv tib neeg kev noj qab haus huv thiab ecological ncaj ncees.

Cim npe nrov: 37 formaldehyde CAS 50-5-0, tus neeg muab khoom, chaw tsim khoom, chaw tsim khoom, chaw lag luam wholesale, yuav, nqe, loj, rau muag