Khoom Taw qhia
| Cyclopentene Cov ntaub ntawv yooj yim |
| Khoom npe: | Cyclopentene |
| Synonyms: | 1-Cyclopentene; Cyclopentene; CYCLOPENTENE, STAB.; Cyclopentene, tech., ca 90%; Cyclopentene, 98+%; Cyclopentene, ca 90%, tech; Cyclopentene, tech.; Cyclopentene |
| CAS: | 142-29-0 |
| MF: | C5H8 |
| MW: | 68.12 |
| EINECS: | 205-532-9 |
| Khoom Categories: | Alkenes; Cyclic; Pharmaceutical Intermediates; Organic Building Blocks |
| Mol File: | 142-29-0.mol |
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| Cyclopentene Chemical Properties |
| Melting point | -135 degree (lit.) |
| Boiling point | 44-46 degree (lit.) |
| ceev | 0.771 g/mL ntawm 25 degree (lit.) |
| vapor siab | 20.89 psi (55 degree) |
| Refractive Index | n20/D 1.421 (lit.) |
| Fp | <−30 °F |
| cia temp. | 0-6 degree |
| solubility | dej: soluble 0.535g/L ntawm 25 degree |
| daim ntawv | Ua kua |
| xim | Tsis muaj xim |
| Specific Gravity | 0.771 |
| Dej Solubility | tsis txawj tag |
| rhiab heev | Huab cua Sensitive |
| BRN | 635707 |
| Henry's Law Constant | 6.3 x 10-2atm ua3/mol ntawm 25 degree (Hine and Mookerjee, 1975) |
| Kev ruaj ntseg: | ruaj khov. Cov nplaim taws heev. Incompatible nrog muaj zog oxidizing neeg sawv cev. Khaws cia txias. |
| InChIKey | LPIQUOYDBNQMRZ-UHFFFAOYSA-N |
| LogP | 2.47 ntawm 25 degree |
| CAS DataBase Reference | 142-29-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Cyclopentene (142-29-0) |
| EPA Tshuaj Registry System | Cyclopentene (142-29-0) |
| Cov ntaub ntawv kev nyab xeeb |
| Hazard Codes | F, Xn |
| Risk Statements | 11-21/22-36/37/38-65-67-52/53-38 |
| Cov lus hais txog kev nyab xeeb | 9-16-26-33-36-62-61-36/37 |
| RIDADR | UN 2246 3/PG 2 |
| WGK Germany | 3 |
| RTECS | GY5950000 |
| F | 10-23 |
| Autoignition Kub | 743 degree F |
| TSCA | Yog lawm |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29021990 |
| Toxicity | Mob qhov ncauj LD50rau nas yog 1,656 mg/kg (quoted, RTECS, 1985). |
| MSDS Cov Ntaub Ntawv |
| Tus kws kho mob | Lus |
|---|---|
| Cyclopentene | Lus Askiv |
| ACROS | Lus Askiv |
| SigmaAldrich | Lus Askiv |
| ALFA | Lus Askiv |
| Kev siv Cyclopentene thiab Synthesis |
| Chemical Properties | Cyclopentene yog cov kua nplaum heev nrog lub teeb nyem tsawg. Nws reacts yooj yim nrog oxidizing tus neeg sawv cev. |
| Lub cev muaj zog | Ntshiab, tsis muaj xim, dej, nplaim taws heev nrog cov yam ntxwv qab zib, zoo li roj av tsw. |
| Siv | Cyclopentene yog cycloalkene uas yog cyclopentane muaj ib qho endocyclic ob daim ntawv cog lus. Vapors hnyav dua li huab cua. Inhalation ntawm high concentrations tej zaum yuav narcotic. Siv los ua cov roj hmab thiab yas. Neopentyl phosphine ligand catalyzed Heck coupling ntawm cyclopentene tau tshaj tawm. Mechanism ntawm cov tshuaj tiv thaiv hauv av xeev oxygen atom nrog cyclopentene tau raug tshawb xyuas. Homopolymerization ntawm cyclopentene tau tshaj tawm. Photocatalytic oxidation ntawm cyclopentene ntau yam titanium (IV) oxide catalyst tau raug tshaj tawm. Cyclopentene tau siv los tshawb xyuas [{0}}] cycloaddition ntawm pob zeb diamond (001) nto nrog alkene. |
| Siv | Cyclopentene yog siv nyob rau hauv cov organic synthesis rau cross-linking resin. Nws yog siv los ua ib qho nruab nrab hauv Industries xws li Agrochemical, Dyestuff, Pharmaceutical, syntheses khoom, Tshuaj. Nws yog siv los ua monomer rau kev sib txuas ntawm cov yas thiab roj hmab. Nws kuj yog siv rau kev sib txuas ntawm ntau yam tshuaj, xws li 1,1, 2-Trimethylcyclohexane. |
| Kev npaj | Cyclopentene yog tsim los ntawm kev xaiv hydrogenation ntawm cyclopentadiene los yog lub cev qhuav dej ntawm cyclopentanol. Nws yog tsim industrially nyob rau hauv loj npaum li cas los ntawm chav cracking ntawm naphtha. Cyclopentene muaj nyob rau hauv thee tar, luam yeeb, thiab tsheb emissions. |
| Txhais | Cheebtsam: Cyclopentene yog cycloalkene uas yog cyclopentane muaj ib qho endocyclic ob daim ntawv cog lus. |
| Kev piav qhia dav dav | Cyclopentene zoo li cov kua tsis muaj xim. Tsawg dua dej thiab insoluble hauv dej. Flash point hauv qab 0 degree F. Vapors hnyav dua huab cua. Inhalation ntawm high concentrations tej zaum yuav narcotic. Siv los ua cov roj hmab thiab yas. |
| Cua & Dej Reactions | Cov nplaim taws heev. Insoluble hauv dej. |
| Reactivity Profile | Cyclopentene tuaj yeem hnov mob hnyav nrog cov tshuaj oxidizing muaj zog. Tej zaum yuav ua rau exothermically nrog txo cov neeg ua haujlwm kom tso cov pa roj hydrogen. Nyob rau hauv lub xub ntiag ntawm ntau yam catalysts (xws li acids) los yog cov pib, tej zaum yuav raug exothermic ntxiv polymerization cov tshuaj tiv thaiv. |
| Health Hazard | Tej zaum yuav muaj teeb meem los ntawm kev nqus, nqus, lossis nqus ntawm daim tawv nqaij. Tej zaum yuav ua rau qhov muag thiab tawv nqaij khaus. |
| Hluav Taws Xob | Kev phom sij tshwj xeeb ntawm Cov Khoom Siv Hluav Taws Xob: Vapor tuaj yeem taug kev deb mus rau qhov chaw ntawm qhov hluav taws kub thiab flashback. Kev tawg tuaj yeem tshwm sim thaum muaj hluav taws kub. |
| Kev ruaj ntseg Profile | Muaj tshuaj lom los ntawm kev noj tshuaj thiab kev sib cuag ntawm daim tawv nqaij. Qhov phom sij txaus ntshai heev thaum raug nplaim taws lossis cua sov; tuaj yeem cuam tshuam nrog oxidning cov ntaub ntawv. Khaws kom deb ntawm tshav kub thiab qhib nplaim taws. Txhawm rau tua hluav taws, siv ua npuas ncauj, CO2, tshuaj qhuav. |
| Qhov chaw | Schauer et al. (2001) ntsuas cov organic compound emission rates rau volatile organic compounds, gas-theem semi-volatile organic compounds, thiab particle-phase organic compounds from the home (fireplace) combustion of Pine, Oak, and eucalyptus. Cov pa roj-theem emission tus nqi ntawm cyclopentene yog 7.8 mg / kg ntawm ntoo thuv hlawv. Cov emission tus nqi ntawm cyclopentene tsis tau ntsuas thaum lub sij hawm combustion ntawm ntoo qhib thiab eucalyptus. California Phase II hloov kho cov roj av muaj cyclopentene ntawm qhov concentration ntawm 1,120 mg / kg. Gas-phase tailpipe emission tus nqi los ntawm roj av-powered tsheb nrog thiab tsis muaj catalytic converters yog 480 thiab 31,700 ug / km, raws li (Schauer li al., 2002). Muab hais tias cyclopentene yog npaj los ntawm cyclohepentanol, tom kawg tej zaum yuav tam sim no raws li ib tug impurity. |
| Environmental txoj hmoo | Tshuaj lom neeg.Cyclopentene tej zaum yuav oxidized los ntawm microbes rau cyclopentanol, uas yuav oxidize rau cyclopentanone (Dugan, 1972). Photolytic.Cov nqi hauv qab no tau tshaj tawm rau cov tshuaj tiv thaiv ntawm cyclopentene nrog OH radicals hauv huab cua: 6.39 x 10-11cm3/molecule?sec (Atkinson et al., 1983), 4.99 x 10-11cm3/molecule?sec ntawm 298 K (Rogers, 1989), 4.0 x 10-10cm3/molecule?sec (Atkinson, 1990) thiab 6.70 x 10-11cm3/molecule?sec (Sablji? thiab Güsten, 1990); nrog ozone hauv huab cua: 8.13 x 10-16ntawm 298 K (Japar et al., 1974) thiab 9.69 x 10-16cm3/molecule?sec ntawm 294 K (Adeniji li al., 1981); nrog NO3 hauv huab cua: 4.6 x 10-13cm3/molecule?sec ntawm 298 K (Atkinson, 1990) thiab 5.81 x 10-13cm3/molecule?sec ntawm 298 K (Sablji? and Güsten, 1990). Tshuaj/Physical.Gaseous khoom tsim los ntawm cov tshuaj tiv thaiv ntawm cyclopentene nrog ozone yog (% tawm los): formic acid, carbon monoxide, carbon dioxide, ethylene, formaldehyde, thiab butanal. Cov khoom uas raug txheeb xyuas suav nrog succinic acid, glutaraldehyde, 5-oxopentanoic acid, thiab glutaric acid (Hatakeyama li al., 1987). Ntawm qhov kub siab, kev tawg ntawm CC daim ntawv cog lus tshwm sim ua molecular hydrogen thiab cyclopentadiene (95% tawm los) raws li cov khoom lag luam tseem ceeb (Rice thiab Murphy, 1942). |
| Txoj kev Purification | Dawb cyclopentene los ntawm hydroperoxide los ntawm refluxing nrog cupric stearate. Fractionally distil nws los ntawm Na. Nws tuaj yeem raug chromatographed ntawm Dowex 710-Chromosorb W GLC kem. Cov txheej txheem rau cyclohexene yuav tsum muaj nyob ntawm no. Tsis tas li ntawd, nws tau raug ntxuav nrog 1M NaOH tov tom qab dej. Nws tau qhuav dhau qhov tsis muaj dej Na2SO4, distilled tshaj hmoov NaOH hauv qab nitrogen, thiab dhau los ntawm nruab nrab alumina ua ntej siv [Woon et al. J Am Chem Soc 108 7990 1986]. Nws tau distilled nyob rau hauv ib tug qhuav nitrogen chaw los ntawm hmoov fused NaOH los ntawm ib tug Vigreux kem (p 11), thiab ces dhau los ntawm activated nruab nrab alumina ua ntej siv [Wong et al. J Am Chem Soc 109 3428 1987]. [Beilstein 5 IV 209.] |
| Kev tshuaj ntsuam toxicity | Mob toxicity. Qhov ncauj LD50 hauv nas yog 1656 mL / kg, thiab dermal LD50 hauv tus luav yog 1231 mL / kg. Inhalation ntawm cov concentrated vapor yog tuag rau nas nyob rau hauv 5min, thiab ib tug 4 h raug rau 16, 000 ppm yog tuag rau plaub ntawm rau nas. Chronic thiab Subchronic Toxicity. Kev kis tus nas ntev mus rau 112-1139 ppm rau 12 lub lis piam tsis pom muaj kev cuam tshuam, thaum 8110 ppm rau 6 h / hnub, 5 hnub / lub lis piam rau 3 lub lis piam ua rau lub cev hnyav nce ntawm cov poj niam nas. Tib neeg kev paub Cov ntaub ntawv dav dav. Lub sij hawm luv luv ntawm cyclopentene rau tib neeg tau qhia txog qib siab ntawm tsuas yog 10-15 ppm. |
| Cyclopentene Preparation Products Thiab Raw Materials |
| Cov khoom siv raw | Aluminum oxide-->1,3-Cyclopentadiene-->Dicyclopentadiene-->Isoprene-->Cyclopentanol |
| Cov khoom npaj | 1,3-Cyclopentadiene-->Sebacic acid-->2-Allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one-->Ramipril-->LENAMPICILLIN-->Prostaglandin E1-->Ketamine hydrochloride-->KETAMINE RELATED COMPOUND A (50 MG) (1 -[(2-CHLOROPHENYL)(METHYLIMINO)METHYL]CYLCOPENTA-NOL)-->2-Chlorophenyl cyclopentyl ketone-->ROSAPROSTOL-->Cyclopentene oxide-->3-Ethyl-2-hydroxy-2-cyclopenten-1-one-->CIS-1,2-CYCLOPENTANEDIOL-->BICYCLOPENTYL-->Cyclopentanemethanol-->ISOPROPYLCYCLOPENTANE-->Silane, trichloro (1-methylethoxy)- |
Cim npe nrov: Tuam Tshoj Cyclopentene manufacturers, lwm tus neeg, Hoobkas
Tug: 1-Hexene
Tom ntej: Cyclopentane
Koj Tseem Yuav Zoo Li
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