Tetrahydrofuran |109-99-9
Bayanan Jiki na Samfur:
| Sunan samfur | Tetrahydrofuran |
| Kayayyaki | Ruwa mara launi mara launi tare da ether-kamarwari. |
| Wurin narkewa(°C) | -108.5 |
| Wurin tafasa (°C) | 66 |
| Dangantaka yawa (Ruwa=1) | 0.89 |
| Dangantakar tururi mai yawa (iska = 1) | 2.5 |
| Cikakken tururin matsa lamba (kPa) | 19.3 (20°C) |
| Zafin konewa (kJ/mol) | -2515.2 |
| Matsakaicin zafin jiki (°C) | 268 |
| Matsin lamba (MPa) | 5.19 |
| Octanol/water partition coefficient | 0.46 |
| Wurin walƙiya (°C) | -14 |
| zafin wuta (°C) | 321 |
| Iyakar fashewar sama (%) | 11.8 |
| Ƙananan iyakar fashewa (%) | 1.8 |
| Solubility | Dan kadan mai narkewa cikin ruwa, mai narkewa a cikin ethanol, ether. |
Kayayyakin Samfura da Kwanciyar hankali:
1.Colorless ruwa m tare da ether-kamar wari.Miscible da ruwa.Cakuda azeotropic tare da ruwa na iya narkar da acetate cellulose da maganin kafeyin alkaloids, kuma aikin narkewa ya fi na tetrahydrofuran kadai.Abubuwan da ake amfani da su na yau da kullun kamar ethanol, ether, aliphatic hydrocarbons, hydrocarbons aromatic, chlorinated hydrocarbons, da sauransu na iya narkar da su da kyau a cikin tetrahydrofuran.Yana da sauƙi a haɗa tare da oxidation a cikin iska don samar da peroxide mai fashewa.Ba shi da lalacewa ga karafa, kuma yana lalatar da robobi da yawa.Saboda wurin tafasa, madaidaicin walƙiya yana da ƙasa, mai sauƙin kama wuta a cikin ɗaki.Oxygen a cikin iska yayin ajiya na iya haifar da fashewar peroxide tare da tetrahydrofuran.Peroxides sun fi samuwa a cikin yanayin haske da rashin ruwa.Sabili da haka, 0.05% ~ 1% na hydroquinone, resorcinol, p-cresol ko ferrous salts da sauran abubuwa masu ragewa ana ƙara su azaman antioxidants don hana haɓakar peroxides.Wannan samfurin yana da ƙarancin guba, mai aiki yakamata ya sa kayan kariya.
2.Kwarai: Kwanciyar hankali
3.Abubuwan da aka haramta: Acids, alkali, masu karfi mai karfi, oxygen
6.Conditions don kauce wa bayyanar: Haske, iska
7.Polymerisation hazard: Polymerisation
Aikace-aikacen samfur:
1.It ne yadu amfani saboda da kyau permeability da diffusivity zuwa saman da ciki na resins.Ana amfani da shi azaman ƙaushi a cikin tsarin amsawa, amsawar polymerisation, amsawar ragi na LiAlH4 da halayen esterification.Rushewar polyvinyl chloride, polyvinylidene chloride da copolymers suna haifar da ƙarancin danko, wanda aka saba amfani dashi a cikin kera kayan kwalliya, kayan kariya, adhesives da fina-finai.Hakanan ana amfani dashi a cikin tawada, mai cire fenti, cirewa, jiyya na fata na wucin gadi.Wannan samfurin ne mai kai-polymerisation da copolymerisation, zai iya kera polyether irin polyurethane elastomer.Wannan samfurin yana da mahimmancin sinadari mai mahimmanci, ana iya shirya butadiene, nailan, polybutylene glycol ether, γ-butyrolactone, polyvinylpyrrolidone, tetrahydrothiophene da sauransu.Hakanan za'a iya amfani da wannan samfurin azaman tsaka-tsaki a cikin haɗin kwayoyin halitta kamar kwayoyi.
2.Tetrahydrofuran na iya narkar da duk kwayoyin halitta banda polyethylene, polypropylene da fluorine resins, musamman ga polyvinyl chloride, polyvinylidene chloride da butylaniline suna da solubility mai kyau, ana amfani dashi a matsayin mai narkewa.
3.A matsayin sauran ƙarfi na kowa, tetrahydrofuran an yi amfani dashi da yawa a cikin suturar da aka yi amfani da shi a cikin shimfidar wuri, kayan kariya, tawada, masu cirewa da kuma kula da fata na wucin gadi.
4.Tetrahydrofuran yana da mahimmancin albarkatun kasa don samar da polytetramethylene ether glycol (PTMEEG) da kuma babban ƙarfi ga masana'antun magunguna.Ana amfani da shi azaman sauran ƙarfi don resins na halitta da na roba (musamman resin vinyl), kuma ana amfani dashi wajen samar da butadiene, adiponitrile, adip.onitrileadipic acid,hexanediamin da sauransu.
5.Amfani da sauran ƙarfi, sunadarai kira tsaka-tsaki, analytical reagent.
Bayanan Ajiye samfur:
1.Ajiye a cikin dakin ajiya mai sanyi, mai iska.
2.Kiyaye daga wuta da tushen zafi.
3.The sito zafin jiki kada ya wuce 29 ° C.
4.Kiyaye akwati a rufe, ba tare da hulɗa da iska ba.
5. Ya kamata a adana shi daban daga magungunan oxidising, acid,alkali, da dai sauransu.kuma bai kamata a gauraya ba.
6.Adopt fashewa-hujja haske da kuma samun iska wurare.
7.Hana yin amfani da kayan aikin injiniya da kayan aiki masu sauƙi don haifar da tartsatsi.
8.Yankin ajiya ya kamata a sanye shi da kayan aikin gaggawa na gaggawa da kayan aiki masu dacewa.
