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4-Methyldiphenylamine CAS: 620-84-8
4-Methyldiphenylamine CAS: 620-84-8
Kayan albarkatun ƙasa na halitta: cycloalkylamines, aromatic monoamines, aromatic polyamines da abubuwan da suka samo asali da gishirinsu. Bayyanar farin lu'ulu'u ne. Ana amfani da shi galibi don haɗakar sinadarai na halitta, haɗa kayan aiki na halitta da magunguna, da kuma photochemistry da ruwa crystal intermediates. Ba ya narkewa a cikin ruwa. Yana narkewa a cikin benzene, toluene, methanol, ethanol. Don yanayin ajiya, Ajiye a wuri mai duhu, An rufe a busasshe, Zafin ɗaki.
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N,N-Dimethylacetamide CAS: 127-19-5
N,N-Dimethylacetamide CAS: 127-19-5
Sifofin Sinadarai: Sifofin sinadarai suna kama da na N,N-dimethylformamide, kuma wakili ne na amide mai narkewa. Idan babu acid ko alkali, ba zai ruɓe ba lokacin da aka dumama shi har ya tafasa a ƙarƙashin matsin lamba na yau da kullun, don haka ana iya tace shi a ƙarƙashin matsin lamba na yau da kullun. Yawan hydrolysis yana da jinkiri sosai. Lokacin da aka dumama N,N-dimethylacetamide wanda ke ɗauke da kashi 5% na ruwa a 95°C na tsawon awanni 140, kashi 0.02% ne kawai ake hydrolyzed. Duk da haka, a gaban acid da alkali, yawan hydrolysis yana ƙaruwa. Saponification yana faruwa lokacin da aka dumama shi a gaban alkaline mai ƙarfi.
aikace-aikace
1. Dimethylacetamide na tsaka-tsaki na magunguna muhimmin kayan masarufi ne kuma ana amfani da shi sosai wajen samar da amoxicillin, cephalosporins da sauran magunguna. A matsayinsa na mai narkewa ko cocatalyst, dimethylacetamide na iya inganta ingancin samfura da yawan amfanin ƙasa idan aka kwatanta da na gargajiya na sinadarai masu narkewa. A shekarar 2000, buƙatar dimethylacetamide a masana'antar magunguna ya kai kusan 6kt. Bukatar dimethylacetamide a shekarar 2006 ya kai kimanin 9.6kt. 2. Samar da fiber na acrylic A cikin samar da fiber na acrylic, wasu suna amfani da hanyar dimethylacetamide. A halin yanzu, samar da fiber na acrylic na cikin gida ya ƙunshi hanyar sodium thiocyanate mai matakai biyu, hanyar dimethylformamide mai matakai ɗaya da hanyar dimethylacetamide mai narkewa ta organic bisa ga sinadaran. Daga hangen nesa na halaye na tsari da kayan aiki, amfani da kayan aiki, tasirin muhalli, ingancin samfura, Abubuwa da yawa kamar aikin bayan sarrafawa, ƙimar wurin zama da yanayin ci gaban ƙasashen waje sun ƙara yawan bincike da ƙoƙarin haɓakawa. An yi amfani da Dimethylacetamide azaman kwatancen cikakke. An yi amfani da hanyar sodium thiocyanate mai matakai biyu da kuma hanyar dimethylacetamide mai ruwa ta halitta. Ci gaba mafi kyau. A halin yanzu, yawancin shigarwar fiber acrylic a China suna amfani da hanyoyin ruwa ta amfani da dimethylacetamide a matsayin mai narkewa. -
Allyl alcohol CAS: 107-18-6
Allyl alcohol CAS: 107-18-6
yanayi
Ruwa mara launi mai ƙamshi mai kamshi na mustard. Yawan da ke tsakaninsa da 8520. Wurin daskarewa -129℃. Wurin tafasa 96.9℃. Yanayin zafin jiki mai mahimmanci shine 271.9℃. Wurin walƙiya (rufe kofi) 22.2℃. Yana zama vitreous a -190℃. Ma'aunin haske 1. 4132. Ana iya mirgina shi da ruwa, ether, ethanol, chloroform da petroleum ether.
amfani
Yana da tsaka-tsaki wajen samar da glycerin, magunguna, magungunan kashe kwari, kayan ƙanshi da kayan kwalliya, kuma kayan masarufi ne na samar da resin diallyl phthalate da bis (2,3-bromopropyl)fumarate. Ana amfani da silane daga allyl alcohol da copolymers tare da styrene sosai a cikin shafa da gilashi.
Masana'antar zare. Ana iya amfani da Allyl urethane a cikin masana'antar shafa polyurethane mai haske da kuma siminti.
aminci
Yana da ƙamshi na musamman kuma yana iya fusata idanu, fata, makogwaro, da kuma mucous membranes sosai. A cikin mawuyacin hali, yana iya haifar da makanta. Mannewa da fata na iya sa ta yi ja ta haifar da ƙonewa, kuma tana sha cikin sauri ta fata, wanda ke haifar da cututtukan hanta, nephritis, hematuria da sauran alamu. Ɗaya daga cikin giya mafi guba, LD50 na baki a cikin beraye shine 64rng/kg. LD50 na baki na kare 40mg/kg. Matsakaicin yawan da aka yarda a iska a wurin samarwa shine 5rng/m3. A wannan yawan, ƙaiƙayin yana da ƙarfi sosai kuma ba za a iya jurewa ba na dogon lokaci. Idan ya fantsama a fata, kurkura da ruwa kuma ku shafa maganin mai. Sanya kayan kariya lokacin aiki. -
Dicyclohexylamine CAS：101-83-7
Dicyclohexylamine CAS：101-83-7
Ana shirya Dicyclohexylamine ta hanyar amfani da aniline a matsayin kayan da aka samar da kuma samar da shi da hydrogen a yanayin zafi mai yawa da matsin lamba mai yawa a gaban mai kara kuzari.
Ana amfani da shi sosai a matsayin matsakaici a cikin haɗakar abubuwa na halitta kuma ana iya amfani da shi don shirya tsaka-tsakin rini, masu haɓaka roba, fenti na nitrocellulose, magungunan kashe kwari, masu haɓaka sinadarai, masu kiyayewa, masu hana lalata iskar gas da ƙarin sinadarai na hana mai, da sauransu. Hakanan ana amfani da shi azaman wakilin cirewa. Gishirin mai mai da sulfates na dicyclohexylamine suna da kaddarorin cire tabo na sabulu kuma ana amfani da su a masana'antar bugawa, rini da yadi. Ana amfani da hadaddun ƙarfe nasa azaman masu haɓaka tawada da fenti.
Ruwa mai mai launi mara launi da haske, tare da ƙamshin ammonia mai kauri. Yana narkewa kaɗan a cikin ruwa, ana iya juyawa da sinadarai masu narkewa na halitta. -
N-Methylformamide(NMF) CAS：123-39-7
N-Methylformamide(NMF) CAS：123-39-7
Tsarkakken N-methylformamide ruwa ne mara launi, mai haske da kuma ɗanɗano, mp-3.8℃, bp198℃, n25D 1.4310, yawan da ya kai 0.9986 (25℃), yana narkewa a cikin ruwa, kuma yana iya narke gishirin da ba na halitta ba, kuma yana da hygroscopic. Yana narkewa cikin sauƙi a cikin ruwan acidic ko alkaline.
N-methylformamide muhimmin abu ne na halitta. Ana amfani da shi wajen haɗa magungunan kashe kwari, magungunan kashe kwari da kuma magungunan acaricides kamar monoformamidine da diformamidine. Haka kuma ana amfani da shi wajen samar da magunguna, fata ta roba, fata ta roba, da kuma a matsayin maganin narkewar sinadarai ga yadi mai zare.
Hanyar samarwa 1. Ana samar da hanyar Methylamine ta hanyar amsawar methylamine da carbon monoxide. 2. Ana samun hanyar Methyl formate ta hanyar amsawar methyl formate da methylamine. 3. An samo ta daga amsawar ethyl formate da methylamine. A zuba ethyl formate a cikin reactor, a zuba ruwan methylamine a lokacin sanyaya, sannan a sake mayar da martanin a zafin 40°C. Sannan aka bar shi na tsawon kwana 3, kuma an dawo da ethanol a ƙarƙashin matsin lamba mai raguwa don samun samfurin da ba a tace ba. Ana samun samfurin da aka gama ta hanyar distillation a ƙarƙashin matsin lamba mai raguwa.
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3-Dimethylaminopropylamine CAS: 109-55-7
Diamine muhimmin rukuni ne na sinadarai waɗanda ake amfani da su sosai a matsayin kayan aiki, matsakaici ko samfura. Misali, diamine muhimmin sashi ne na tsari wajen haɗa polyamide da sauran halayen polymerization na condensation. N,N-dimethyl-1Chemicalbook,3-diaminopropane (DMAPA) muhimmin matsakaici ne, wanda ake amfani da shi misali a cikin shirye-shiryen man shafawa na masana'antu. Bugu da ƙari, ana amfani da DMAPA a matsayin kayan aiki don shirya coagulants kuma shi kansa ya kamata ya sami kaddarorin Anti-corrosion.
Ruwa ne mai haske mara launi. Yana narkewa a cikin ruwa da kuma sinadarai masu narkewa na halitta. Ana amfani da shi sosai wajen kera kayan kwalliya, kamar palmitamide dimethylpropylamine, cocamidopropyl betaine, man mink amidopropylamine, da sauransu.
Ta amfani da dimethylaminopropionitrile [1738-25-6] a matsayin kayan da aka samar, ana ƙara hydrogenation da methanol a gaban Ni-Al catalyst, sannan a tace a tace don samun samfurin 3-dimethylaminopropylamine da aka gama. Tsarkaken samfurin da aka samu zai iya kaiwa fiye da kashi 99%, kuma kowane tan na samfurin yana cinye kilogiram 1150 na dimethylaminopropionitrile. -
2-(N-Ethyl-m-toluidino)ethanol CAS: 91-88-3
N-ethyl-N-hydroxyethyl m-toluidine (2-(Ethyl(m-tolyl)amino)ethanol) ruwa ne mai launin rawaya mai haske kuma mai tsaka-tsaki. Ana amfani da shi don samar da rini na cationic, kamar cationic ja 6B. Hakanan ana amfani da shi azaman kayan aiki don samar da masu haɓaka launi da magunguna.
Amfani: 1. Rini mai tsaka-tsaki.
Na biyu, ana amfani da shi wajen samar da rini na cationic, kamar cationic ja 6B.
3. Ana amfani da shi azaman kayan aiki don samar da masu haɓaka launi da magunguna.
hanyar samarwa
1. hanyar m-toluidine
Ana yin sa ne daga m-toluidine da ethyl iodide a matsayin kayan aiki.
Hanya ta biyu, hanyar N-ethyl m-toluidine
Ana shirya shi ta hanyar amfani da N-ethyl m-toluidine a matsayin kayan aiki da kuma yin martani da chloroethanol (ko ethylene oxide).
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N,N-Dimethylformamide CAS 68-12-2
Dimethylformamide ruwa ne mara launi kuma mai haske. Ba wai kawai kayan sinadarai ne da ake amfani da su sosai ba, har ma da ingantaccen mai narkewa wanda ke da amfani iri-iri. Dimethylformamide muhimmin kayan albarkatun ƙasa ne ga masana'antu na magunguna, sinadarai na fetur, fata da sauran masana'antu.
Ana kiran Dimethylformamide da DMF. Wani sinadari ne wanda ake maye gurbin rukunin hydroxyl na formic acid da rukunin dimethylamino, tare da dabarar kwayoyin halitta HCON(CH3)2. Ruwa ne mara launi kuma mai haske mai yawan tafasa mai ƙamshi mai haske na amine da kuma yawan da ya kai 0.9445 (25℃). Wurin narkewa -61℃. Wurin tafasa 152.8℃. Wurin walƙiya 57.78℃. Yawan tururi 2.51. Matsi na tururi 0.49kpa (3.7mmHg25℃). Wurin kunna wuta shine 445℃. Iyakar fashewar tururi da cakuda iska shine 2.2~15.2%. Fuskantar harshen wuta da zafi mai yawa na iya haifar da ƙonewa da fashewa. Yana iya yin martani mai ƙarfi tare da sinadarin sulfuric mai yawa da kuma sinadarin nitric mai hayaki har ma ya fashe. Ana iya mirgine shi da ruwa da yawancin sinadaran halitta. Littafin Kimiyya. Maganin narkewa ne gama gari don halayen sinadarai. Dimethylformamide tsantsa ba shi da wari, amma dimethylformamide mai daraja a masana'antu ko kuma wanda ya lalace yana da ƙamshi mai kama da kifi saboda yana ɗauke da ƙazanta na dimethylamine. Sunan ya fito ne daga gaskiyar cewa dimethyl ne madadin formic acid (amide na formic acid), kuma duka ƙungiyoyin methyl suna kan atom ɗin N (nitrogen). Dimethylformamide wani sinadari ne mai narkewa a cikin polar (hydrophilic) tare da babban wurin tafasa, wanda zai iya haɓaka tsarin amsawar SN2. Dimethylformamide an yi shi ne daga formic acid da dimethylamine. Dimethylformamide ba shi da ƙarfi (musamman a yanayin zafi mai yawa) a gaban tushe masu ƙarfi kamar sodium hydroxide ko acid masu ƙarfi kamar hydrochloric acid ko sulfuric acid, kuma yana hydrolyzes zuwa formic acid da dimethylamine.
Yana da ƙarfi sosai a cikin iska kuma idan aka dumama shi har ya tafasa. Idan zafin ya fi 350°C, yana rasa ruwa kuma yana samar da carbon monoxide da dimethylamine. N,N-dimethylformamide wani sinadari ne mai kyau na polar aprotic wanda zai iya narkar da yawancin abubuwan halitta da marasa halitta kuma ana iya haɗa shi da ruwa, alcohols, ethers, aldehydes, ketones, esters, halogenated hydrocarbons da aromatic hydrocarbons. . Ƙarshen ƙwayar N,N-dimethylformamide mai caji mai kyau yana kewaye da ƙungiyoyin methyl, yana samar da shinge na sararin samaniya wanda ke hana ions masu kyau kusantowa kuma yana haɗa ions masu kyau kawai. Anions marasa rai sun fi aiki fiye da anions masu narkewa. Yawancin halayen ionic sun fi sauƙin aiwatarwa a cikin N,N-dimethylformamide fiye da na protic gabaɗaya. Misali, carboxylates da halogenated hydrocarbons suna amsawa a cikin N,N-dimethylformamide a zafin ɗaki, suna iya samar da esters masu yawan amfanin ƙasa, kuma ya dace musamman don haɗa esters masu hana steryl.
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N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
Ruwa mara launi zuwa rawaya. Yana da ƙamshi na musamman. Yana narkewa kaɗan a cikin ruwa, yana narkewa a cikin sinadarai masu narkewa kamar ethanol, ether, chloroform da benzene. An samo shi ne daga amsawar aniline da ethyl chloride. Adadin amfani da kayan: aniline 645kg/t, ethyl chloride (95%) 1473kg/t, caustic soda (42%) 1230kg/t, phthalic anhydride 29kg/t.
Ana iya amfani da shi wajen shirya rini na azo, rini na triphenylmethane, da sauransu. Hakanan muhimmin matsakaici ne wajen haɗa magunguna da masu haɓaka fim ɗin launi, kuma aikace-aikacensa yana da faɗi sosai.
Ajiya: Ana sanya iska a cikin rumbun ajiyar kuma a busar da shi a ƙananan zafin jiki; ana adana shi daban da acid, oxidants da ƙarin abinci. -
Polyethylene-polyamines CAS: 68131-73-7
Polyethylene-polyamines CAS: 68131-73-7
Bayyanar ruwa mai kauri ja-ja zuwa launin ruwan kasa.
Amfani: Ana amfani da shi wajen yin resin musayar anion, membrane na musayar ion, mai rage yawan mai, mai ƙara man shafawa, da sauransu. Haka kuma ana amfani da shi azaman wakili mai warkar da resin epoxy da kuma ƙarin plating mara cyanide.
Narkewa: yana narkewa a cikin ruwa da ethanol, ba ya narkewa a cikin ether, yana shan danshi da carbon dioxide cikin sauƙi a cikin iska, kuma yana samar da gishiri masu dacewa da acid, waɗanda zasu taurare a ƙananan yanayin zafi.
Yana da matuƙar sauƙi a fashe idan aka fallasa shi ga tururi, gogayya, harshen wuta ko wasu hanyoyin kunna wuta. A adana a cikin ma'ajiyar kayan ajiya mai sanyi, busasshe kuma mai iska wanda aka keɓe don abubuwan fashewa. Zafin ajiya bai wuce 32°C ba kuma ɗanɗanon da ke tsakaninsa bai wuce 80%. A ajiye shi nesa da hanyoyin wuta da zafi ba. Ya kamata a adana su daban da abubuwan oxidants, acid, da alkalis, kuma a guji haɗa kayan ajiya. An sanye su da nau'ikan kayan aikin wuta da suka dace. Ya kamata a sami kayan da suka dace a wurin ajiya don ɗauke da zubewa. Babu girgiza, tasiri da gogayya.
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Ethylenediaminetetraacetic acid CAS: 60-00-4
Ethylenediaminetetraacetic acid CAS: 60-00-4
kaddarorin sinadarai
Wannan samfurin yana fitowa daga ruwa a matsayin farin foda. Narkewa a cikin ruwa a zafin ℃ 25 shine 0.5g/L. Ba ya narkewa a cikin ruwan sanyi, barasa da sauran sinadarai na halitta gabaɗaya. Yana narkewa a cikin sodium hydroxide, sodium carbonate da ammonia mafita.
Hanyar samarwa:
Amsar ethylenediamine da chloroacetic acid. A zuba kilogiram 100 na chloroacetic acid, kilogiram 100 na kankara da kilogiram 135 na sodium hydroxide (30%) a cikin kettle na amsawar, sannan a ƙara kilogiram 18 na ethylenediamine 83% zuwa 84% a ƙarƙashin juyawa. A saka a 15°C na tsawon awa 1. A ƙara 30Chemicalbook% sodium hydroxide a cikin rukuni na 10L kowane lokaci. Bayan kowane ƙari, a ƙara wani rukuni bayan maganin gwajin phenolphthalein bai nuna ja ba. A ajiye a zafin ɗaki na tsawon awanni 12. A dumama zuwa 90°C kuma a canza launinsa da carbon da aka kunna. A tace, a wanke ragowar matatar da ruwa, sannan a ƙarshe a daidaita ƙimar pH zuwa 3 tare da sinadarin hydrochloric acid mai ƙarfi. A sanyaya a yi lu'ulu'u, a tace a wanke da ruwa har sai babu wani tasirin ion na chloride. Busassun kayayyaki.
Amsar ethylenediamine tare da formaldehyde da sodium cyanide. A haɗa ruwan ethylenediamine kashi 60%, ruwan sodium cyanide kashi 30% da sodium hydroxide, sannan a ajiye ruwan a zafin 20°C na tsawon awanni 0.5. Sannan a zuba ruwan formaldehyde a hankali. Bayan an yi amfani da shi, an cire matsewar kuma ruwan ya ƙafe. Sannan a maimaita aikin da ke sama, a ƙara ƙarin formaldehyde a karo na ƙarshe don ba da damar sodium cyanide ya yi aiki gaba ɗaya. A daidaita pH zuwa 1.2 tare da acid mai narkewa. Farin ruwan da aka haƙa, an tace, an wanke da ruwa, sannan a busar a zafin 110°C. A sami samfurin.
Ethylenediaminetetraacetic acid (EDTA) muhimmin abu ne mai haɗa sinadarai. Ana amfani da EDTA sosai kuma ana iya amfani da shi azaman mai gyara bleaching wajen sarrafa kayan launi masu haske, masu taimakawa rini, masu taimakawa wajen sarrafa zare, kayan kwalliya, kayan hana zubar jini, masu sabulu, masu daidaita abubuwa, masu fara amfani da robar roba, EDTA chelate ne. Yana wakiltar abubuwa masu gauraye. Yana iya samar da hadaddun sinadarai masu narkewa cikin ruwa tare da karafa masu alkali, abubuwan ƙasa masu wuya da karafa masu canzawa. Baya ga gishirin sodium, akwai kuma gishirin ammonium da gishiri daban-daban kamar ƙarfe, magnesium, calcium, jan ƙarfe, manganese, zinc, cobalt, da aluminum. Kowanne daga cikin waɗannan gishirin yana da amfani daban-daban. Bugu da ƙari, ana iya amfani da EDTA don fitar da ƙarfe masu cutarwa daga jikin ɗan adam cikin sauri da kuma taka rawar tsarkakewa. Hakanan wakili ne na maganin ruwa. EDTA kuma muhimmin ma'auni ne, amma ana amfani da shi don daidaita nickel na ƙarfe, jan ƙarfe, da sauransu. Lokacin amfani da shi, dole ne a yi amfani da shi tare da ammonia don yin aiki a matsayin ma'auni. -
Disodium edetate dihydrate CAS: 6381-92-6
Disodium edetate dihydrate CAS: 6381-92-6
Disodium ethylenediaminetetraacetate (wanda kuma aka sani da disodium EDTA) wani sinadari ne mai ƙarfi na chelating. Saboda yawan daidaitonsa da kuma yawan halayensa na daidaitawa, kusan yana iya hulɗa da yawancin ions na ƙarfe banda ƙarfen alkali (kamar ƙarfe, jan ƙarfe, calcium, magnesium da sauran ions masu yawa) don samar da hadaddun abubuwa masu narkewa cikin ruwa, yana kawar da ions na ƙarfe ko halayen cutarwa da suka haifar.
Disodium EDTA wani farin foda ne mai lu'ulu'u wanda yake narkewa a cikin ruwa kuma kusan ba ya narkewa a cikin ethanol da ether. Darajar pH na ruwan da ke cikinsa kusan 5.3 ne kuma ana amfani da shi a cikin sabulun wanki, kayan rini, kayan sarrafa fiber, kayan kwalliya, kayan abinci, ƙananan takin zamani na noma da kuma noma, da sauransu.
Ana amfani da Disodium ethylenediaminetetraacetate a abinci, magani, kayan kwalliya da sauran kayayyaki. Ana iya amfani da disodium ethylenediaminetetraacetate mai inganci a matsayin mai daidaita abinci, mai haɗa sinadarai, mai hana lalata da kuma mai kiyayewa, kuma yana iya kare launi da kuma tsayayya da iskar shaka. , haɗin gwiwar hana lalata da kuma tasirin daidaita abinci.
