N-Butane CAS: 106-97-8 - Qib hwm, Chaw tsim tshuaj paus & tsum
n-Butane (CAS: 106-97-8) yog dab tsi thiab kuv tuaj yeem yuav nws qhov twg?
N-Butane yog xim tsis muaj xim, flammable ncaj-chain alkane roj nrog cov mis molecular C₄H₁₀ thiab qhov kub ntawm -0.5℃. Nws yog ib qho tseem ceeb ntawm cov roj liquefied roj av (LPG) thiab ib qho tseem ceeb organic chemical raw khoom. Nws tuaj yeem siv los tsim cov butenes, butadiene, maleic anhydride, acetic acid, thiab lwm yam, thiab tseem siv tau los ua ib puag ncig tus phooj ywg refrigerant R600. Raws li tus kws tshaj lij n-butane chaw tsim khoom, Nanjing ZL Energy Co., Ltd. muaj siab -purity n-butane (Ntau dua lossis sib npaug li 99%) nrog cov khoom siv ncaj qha, tshem tawm cov nqi nruab nrab. Peb muab ntau yam kev xaiv ntim xws li 118L, 800L, thiab 926L lub tog raj kheej, nrog rau iso tank, ua kom ruaj khov thiab zoo rau peb cov neeg siv khoom.
N-Butane Product Definition
N-Butane (tseem hu ua methylethylmethane) yog qhov yooj yim tshaj plaws ncaj nraim- saw alkane, nrog cov tshuaj formula C₄H₁₀, cov qauv qauv CH₃CH₂CH₂CH₃, thiab qhov hnyav molecular ntawm 58.12. Nws tus lej CAS yog 106-97-8, lub ntiaj teb cov cim tshuaj tshwj xeeb uas yuav tsum tau muab kom raug thaum kev yuav khoom, kev thauj mus los, thiab kev lis kev cai.
Nyob rau hauv chav tsev kub thiab siab, n-butane yog cov roj tsis muaj xim, nplaim taws nrog cov pa roj tsw qab thiab yooj yim liquefied. Nws lub cev tseem ceeb tsis tu ncua yog:
Melting point: -138.4 ° C
Kub taw tes: -0.5 degree
Cov kua dej ntom ntom: 0.58 g / cm³ (dej=1)
Gas txheeb ze ceev: 2.05 (air=1)
Flash point: -60℃(hnyav heev flammable)
Kev txwv tawg: 1.5% -8.5% (los ntawm ntim)
Qhov ntsuas kub tseem ceeb: 151.9 degree
Lub siab tseem ceeb: 3.79 MPa
Tus naj npawb ntawm cov tub yees: R600
Molecular Structure thiab Isomers
N-Butane yog qhov ncaj- saw isomer ntawm butane. Nws yog ib qho isomer ntawm isobutane (2-methylpropane, CAS 75-28{11}}5). Ob leeg sib koom tib yam tshuaj mis tab sis txawv hauv cov qauv: n-butane muaj cov saw ncaj, thaum isobutane muaj cov saw hlau, ua rau cov khoom sib txawv ntawm lub cev (isobutane boiling point -11.7 degree, melting point -145 degree). Nyob rau hauv n-butane, carbon atoms tsim σ-bonds los ntawm sp³ hybridization, cais nws raws li ib tug saturated alkane.
Solubility thiab Stability
N-Butane yog insoluble hauv dej tab sis yooj yim soluble hauv ethanol, diethyl ether, chloroform, thiab lwm yam hydrocarbon solvents. Nws yog ib qho ruaj khov tshuaj tab sis tuaj yeem dhau los ua ntau yam tshuaj tiv thaiv xws li dehydrogenation, oxidation, halogenation, thiab nitration nyob rau hauv cov xwm txheej tshwj xeeb- ua rau nws muaj txiaj ntsig zoo raw khoom.
N-Cov txheej txheem tsim khoom Butane
N-Butane ib txwm tshwm sim hauv cov roj av, roj av ntub dej, thiab roj av tawg. Industrially, nws yog tsuas yog tau los ntawm:
Roj teb / ntub dej ntuj sib cais: Liquefied petroleum gas yog cais los ntawm compression thiab condensation, ces purified los ntawm distillation. Purity: qib industrial.
C4 feem sib cais los ntawm cov roj av tawg: Extracted los ntawm ethylene cog los yog catalytic cracking C4 feem ntawm acetonitrile extractive distillation. Purity: Ntau dua lossis sib npaug li 90%, tuaj yeem ua kom huv mus rau 99.99%.
Molecular sieve adsorption purification: Industrial crude butane yog purified los ntawm adsorption. Purity: siab dua 98%.
Cov txheej txheem nthuav dav rau kev sib cais los ntawm C4 Fractions
Tam sim no, txoj kev lag luam feem ntau yog cais n-butane los ntawm cov roj av tawg C4 feem. Txoj kev khiav yog:
Cov khoom siv raw: Tail gas los ntawm refinery catalytic cracking units, byproduct C4 feem ntawm cov nroj tsuag ethylene. Los ntawm nruab nrab - qhov tob tawg ntawm naphtha, butane tawm los yog kwv yees li 0.19% los ntawm qhov hnyav, suav txog li 6.5% ntawm C4 feem.
Thawj feem: C3 feem, isobutylene, thiab C5 feem yog sib cais nyob rau hauv fractionation towers.
Extractive distillation: Cov kwj hauv qab yog pub rau hauv acetonitrile extractive distillation kem, yielding n-butane nrog tshaj 90% purity los ntawm sab saum toj.
Kev huv huv: Lub teeb Cheebtsam raug tshem tawm los ntawm rectification, ua tiav cov khoom purity saum 99.99%.
Hais txog Nanjing ZL Energy Co., Ltd.
Nanjing ZL Energy Co., Ltd. yog ib lub tuam txhab tshwj xeeb hauv R & D, ntau lawm, thiab muag khoom ntawm lub zog. Raws li cov chaw tsim khoom hauv n-butane sector, peb muab cov txiaj ntsig sib txawv:
1. Kev muab khoom ncaj nraim, tus nqi zoo dua
Raws li cov chaw tsim khoom ncaj qha, peb pab cov neeg siv khoom txuag cov nqi tseem ceeb los ntawm kev tshem tawm cov txheej txheem nruab nrab. Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog nyob rau hauv kev lag luam ib puag ncig tam sim no nrog kev hloov pauv n-butane tus nqi.
2. Cov khoom siv dav dav
Peb n-butane (R600 refrigerant) muaj purity Ntau dua lossis sib npaug li 99% thiab yog qib hwm, haum rau ntau yam kev siv. Cov kev xaiv ntim khoom muaj xws li:
Lub tog raj kheej: 118L, 400L, 800L, 926L
Tank tsheb thauj khoom: rau kev thauj khoom loj
Custom packing muaj raws li qhov kev thov
3. Kev Tswj Xyuas Zoo
Tag nrho cov khoom raug soj ntsuam nruj nruj los ntawm cov chaw ua haujlwm siab ua ntej xa zaub mov kom ntseeg tau tias lawv ua tau raws li cov qauv kev lag luam. Peb n-butane tau dav siv hauv tub yees, hnyav, organic synthesis, thiab lwm yam.
4. Cov khoom lag luam txaus, khoom siv ruaj khov
Peb khaws cov khoom lag luam kom txaus kom ntseeg tau tias xa khoom raws sijhawm raws li cov neeg siv khoom xav tau. Raws li cov khoom lag luam qib yuav raug hloov pauv, cov neeg siv khoom zoo siab txais tos hu rau peb pab pawg pabcuam kom paub tseeb -lub sijhawm muaj cov lus qhia tshwj xeeb.
5. Kev Lag Luam Thoob Ntiaj Teb ncav cuag
Kev cog lus rau kev siv tshuab thiab kev tiv thaiv ib puag ncig, peb cov khoom siv dav siv hauv tub yees, lub zog, hluav taws xob, tshuaj intermediates, kev tshawb fawb tshawb fawb, thiab lwm yam. Peb cov neeg muas zaub hla Tebchaws Europe, Asmeskas, Middle East, thiab Southeast Asia.
Daim ntawv thov ntawm n-Butane
Kev siv roj
Kev siv ntau tshaj plaws ntawm n-butane yog nyob rau hauv kev sib tov nrog propane li liquefied petroleum gas (LPG), dav siv rau hauv tsev cua sov, ua noj ua haus, thiab muaj cua sov. Kev siv ntxiv muaj xws li:
Blending nyob rau hauv lub cav fuels los tswj volatility
Roj rau lighters thiab portable butane qhov cub
Tus neeg saib xyuas dej nyab rau cov roj rov qab
Organic Synthesis Raw Khoom
n-Butane yog ib qho tseem ceeb ntawm cov organic tshuaj nruab nrab, ua cov khoom pib rau ntau yam khoom:
| Hom tshuaj tiv thaiv | Cov khoom tseem ceeb | Cov ntawv thov hauv qab |
|---|---|---|
| Catalytic dehydrogenation | Butenes, butadiene | Synthetic roj hmab, ABS cob |
| Catalytic oxidation | Maleic anhydride, acetic acid, acetaldehyde | Unsaturated polyester resins, cov kuab tshuaj |
| Isomerization | Isobutane | Alkylate roj av |
| Halogenation | Halogenated butanes | Cov kuab tshuaj, tshuaj intermediates |
| Nitration | Nitrobutanes | Roj, kuab tshuaj |
| High -kub catalysis | Cov pa roj carbon disulfide | Viscose fibers, tshuaj tua kab |
| Chav hloov pauv | Hydrogen | Cov khoom siv tshuaj lom neeg |
Daim ntawv thov tub yees (R600)
Raws li hydrocarbon refrigerant xaiv R600, n-butane muaj:
Environmental friendliness: Zero ozone depletion muaj peev xwm (ODP) thiab lub ntiaj teb ua kom sov tsawg heev (GWP)-ib qho ntawm cov tub yees zoo tshaj plaws niaj hnub no.
Kev lees txais thoob ntiaj teb: Feem ntau lub teb chaws tsis muaj kev txwv rau kev siv R600 rau kev them nyiaj thawj zaug lossis tom qab - muag muag cov khoom siv tub yees tshiab.
Daim ntawv thov: Hloov CFCs hauv tsev tub yees, lub tub yees, thiab lwm yam khoom siv cua txias.
Lwm Cov Kev Siv Hluav Taws Xob
N-Butane kuj tseem siv dav hauv:
Cov kuab tshuaj: Subcritical biological extraction hnyav, Ziegler polymerization hnyav rau olefins
Tshuab tshuab: Resin foaming agent
Aerosol propellant: Insecticide propellant, spray propellant
Muaj additives: Deasphalting tus neeg sawv cev rau hnyav roj refining, ciab nag lossis daus hnyav rau cov roj qhov dej
Cov tub yees: Nyob rau hauv seawater desalination txheej txheem
Calibration gas: Instrument calibration gas, standard vapor pressure gauge gas
Kev nyab xeeb, kev cia khoom, thiab kev thauj mus los
Hazard Classification
N-Butane yog cais raws li tshuaj lom neeg, nrog rau cov teeb meem loj xws li:
Flammability: Flammable heev, flash point -60 degree, tawg txwv 1.5%–8.5%, nws pib-ignition kub 287 degree
Kev phom sij: Tsawg toxicity; Cov concentrations siab tuaj yeem ua rau asphyxiation, irritation, thiab narcotic teebmeem. Ntev- nqus tau 100–300 mg/m³ yuav ua rau mob taub hau, nkees, thiab tawm hws.
Kev phom sij rau lub cev: hnyav tshaj huab cua; vapor accumulates nyob rau hauv qis -dej thaj chaw thiab tej zaum yuav ignite thaum sib cuag nrog ib tug ignition qhov chaw. Kev sib cuag ua kua tuaj yeem ua rau frostbite.
Yuav tsum muaj kev ruaj ntseg cia
Khaws rau hauv qhov txias, zoo -ventilated ventilated gas warehouse; kub yuav tsum tsis txhob siab tshaj 30 degree.
Khaws kom deb ntawm qhov chaw ntawm qhov hluav taws kub thiab cua sov; tiv thaiv los ntawm tshav ntuj ncaj qha.
Khaws cais tawm ntawm cov pa oxygen, compressed cua, oxidizers, thiab lwm yam khoom tsis sib xws.
Siv tawg- pov thawj teeb pom kev zoo thiab qhov cua qhov chaw; keyboards yuav tsum nyob sab nraum lub warehouse.
Ntim Thawv
Yam khoom tsis txaus ntseeg: 21012
UN Nr.: 1011
Packing pawg: O52
Txoj kev thauj mus los: Pipeline, rail tank tsheb, marine tanker, barge, tank tsheb, welded steel gas cylinders, hlau ntim
Ntim Cov Lus Qhia: 118L / 400L / 800L / 926L cylinders, tank tsheb
GHS Hazard Statements
Raws li Lub Ntiaj Teb Kev Sib Raug Zoo (GHS), cov lus piav qhia txog kev phom sij rau n-butane suav nrog:
H220: Cov pa roj tsw qab heev
H280: Muaj roj nyob rau hauv siab; tuaj yeem tawg yog tias cua sov
Lub ntsiab lus: Danger
Cov lus qhia ceev faj: P210 (Txhawm rau kom deb ntawm tshav kub / taws / qhib hluav taws), P377 (Tswj roj hluav taws xob: Tsis txhob tua hluav taws tshwj tsis yog tias xau tuaj yeem nres kom nyab xeeb), P403 (Khoom hauv qhov dej-} qhov chaw cua), P410 (Tshuaj tiv thaiv los ntawm tshav ntuj)
Purity Identification Methods
Cov txheej txheem yooj yim rau kev ntsuas qhov zoo ntawm cov khoom lag luam muaj n-butane:
Tsis hnov tsw: Ntshiab n-butane tsuas muaj cov roj tsw qab heev thiab tej zaum yuav hnov tsw tshiab; qis- purity gas muaj zog dua, tsw ntxhiab tsw.
Qhov tshwm sim: High-purity n-butane zoo nkaus li pom tseeb hauv cov kua hauv lub xeev yam tsis muaj kev xav khov.
Kuaj: Txau kua butane rau ntawm daim ntawv dawb. Tom qab evaporation, cheeb tsam yuav qhuav. Yog tias daim ntawv tseem huv si yam tsis muaj xim, purity yuav siab.
Daim ntawv qhia kev yuav khoom
Rau cov tuam txhab uas xav txog n-butane procurement, peb pom zoo:
Txhais cov cai: Txiav txim siab purity xav tau (siab-purity Ntau dua lossis sib npaug li 99% lossis qib kev lag luam), ntim cov khoom tshwj xeeb (lub tog raj kheej / lub tank tsheb), thiab kev thov txhua hli.
Xaiv tus neeg muag khoom: Nyiam cov tuam txhab tsim khoom, xws li Nanjing Zhonglian Energy Co., Ltd., kom tau txais txiaj ntsig los ntawm cov khoom siv ncaj qha.
Tshawb xyuas kev tsim nyog: Xyuas kom tus neeg muag khoom muaj daim ntawv tso cai ua lag luam tshuaj lom neeg thiab cov ntawv tso cai thauj mus los.
Tshawb xyuas - lub sijhawm tus nqi: Cov khoom siv tshuaj muaj nqi hloov pauv ntau zaus; tiv tauj rau cov chaw muag khoom rau cov lus hais tam sim no.
Xav txog cov nqi logistics: Cov ntim ntim sib txawv thiab kev thauj mus los cuam tshuam rau cov nqi xa khoom zaum kawg.
Xaus
N-Butane (CAS 106-97-8), raws li cov khoom lag luam hauv paus hauv C4 cov saw hlau, ua haujlwm tseem ceeb txuas txuas cov roj av nrog cov khoom siv polymer thiab cov tshuaj zoo. Los ntawm LPG roj siv hauv ntau tsev neeg mus rau ib puag ncig tus phooj ywg R600 refrigerant, thiab los ntawm cov txiv neej anhydride mus rau butadiene, n-butane tau dhau los ua tob rau hauv kev lag luam niaj hnub thiab lub neej niaj hnub.
Xaiv Nanjing ZL Energy Co., Ltd. raws li koj tus n-butane tus neeg muag khoom txhais tau tias xaiv qhov kev lees paub zoo ntawm cov chaw tsim khoom thiab tus nqi kom zoo dua ntawm cov khoom ncaj qha. Peb tswj hwm cov khoom zoo, muab cov kev xaiv ntim tau yooj yim, thiab cog lus los tsim kev yeej- yeej kev koom tes los ntawm kev ncaj ncees thiab kev pabcuam. Peb tos ntsoov yuav koom tes nrog koj rau yav tom ntej zoo dua!
