Tetrahydrofuran |109-99-9
Data Ti ara ọja:
| Orukọ ọja | Tetrahydrofuran |
| Awọn ohun-ini | Omi iyipada ti ko ni awọ pẹlu ether-likewònyí. |
| Ibi yo(°C) | -108.5 |
| Oju Ise (°C) | 66 |
| Ìwúwo ibatan (Omi=1) | 0.89 |
| Ìwọ̀n òrùka ojúlumọ (afẹ́fẹ́=1) | 2.5 |
| Titẹ oru ti o kun (kPa) | 19.3 (20°C) |
| Ooru ijona (kJ/mol) | -2515.2 |
| Iwọn otutu to ṣe pataki (°C) | 268 |
| Ipa pataki (MPa) | 5.19 |
| Octanol / omi ipin olùsọdipúpọ | 0.46 |
| Aaye filasi (°C) | -14 |
| Ìwọ̀n ìgbónáná (°C) | 321 |
| Iwọn bugbamu oke (%) | 11.8 |
| Iwọn bugbamu kekere (%) | 1.8 |
| Solubility | Tiotuka diẹ ninu omi, tiotuka ni ethanol, ether. |
Awọn Ohun-ini Ọja ati Iduroṣinṣin:
1.Colorless sihin omi pẹlu ohun ether-bi olfato.Miscible pẹlu omi.Adalu azeotropic pẹlu omi le tu acetate cellulose ati awọn alkaloids kanilara, ati iṣẹ itusilẹ dara ju ti tetrahydrofuran nikan lọ.Awọn olomi-ara gbogbogbo gẹgẹbi ethanol, ether, aliphatic hydrocarbons, hydrocarbons aromatic, hydrocarbons chlorinated, bbl le ni tituka daradara ni tetrahydrofuran.O rọrun lati darapọ pẹlu ifoyina ni afẹfẹ lati ṣe ipilẹṣẹ peroxide ibẹjadi.Kii ṣe ibajẹ si awọn irin, ati erosive si ọpọlọpọ awọn pilasitik ati awọn roba.Nitori aaye gbigbona, aaye filasi jẹ kekere, rọrun lati mu ina ni iwọn otutu yara.Atẹgun ninu afẹfẹ lakoko ibi ipamọ le ṣe ina peroxide ibẹjadi pẹlu tetrahydrofuran.Peroxides jẹ diẹ sii lati ṣẹda ni iwaju ina ati awọn ipo anhydrous.Nitorinaa, 0.05% ~ 1% ti hydroquinone, resorcinol, p-cresol tabi awọn iyọ ferrous ati awọn nkan idinku miiran ni a ṣafikun nigbagbogbo bi awọn antioxidants lati dena iran ti peroxides.Ọja yii jẹ majele kekere, oniṣẹ yẹ ki o wọ jia aabo.
2.Stability: Idurosinsin
3.Prohibited oludoti: Acids, alkali, lagbara oxidising òjíṣẹ, atẹgun
6.Conditions fun yago fun ifihan: Light, air
7.Polymerisation ewu: Polymerisation
Ohun elo ọja:
1.It ti wa ni o gbajumo ni lilo nitori ti awọn oniwe-ti o dara permeability ati diffusivity si awọn dada ati inu ti resins.O ti wa ni lo bi olomi ni ọna kika lenu, polymerisation lenu, LiAlH4 idinku condensation lenu ati esterification lenu.Itujade ti polyvinyl kiloraidi, polyvinylidene kiloraidi ati awọn copolymers wọn ni abajade ojutu viscosity kekere, eyiti o jẹ lilo ni iṣelọpọ ti awọn ohun elo ti o dada, awọn aṣọ aabo, awọn adhesives ati awọn fiimu.O tun lo ni inki, oluyapa kikun, extractant, itọju dada ti alawọ atọwọda.Ọja yii jẹ polymerisation ti ara ẹni ati copolymerisation, o le ṣe elastomer polyether iru polyurethane.Ọja yii jẹ ohun elo aise kemikali pataki, o le pese butadiene, ọra, polybutylene glycol ether, γ-butyrolactone, polyvinylpyrrolidone, tetrahydrothiophene ati bẹbẹ lọ.Ọja yii tun le ṣee lo bi agbedemeji ni iṣelọpọ Organic gẹgẹbi awọn oogun.
2.Tetrahydrofuran le tu gbogbo awọn agbo ogun Organic miiran ju polyethylene, polypropylene ati awọn resin fluorine, paapaa fun polyvinyl chloride, polyvinylidene chloride ati butylaniline ni solubility ti o dara, ti a lo ni lilo pupọ bi epo ifasẹ.
3.Bi ohun elo ti o wọpọ, tetrahydrofuran ni a ti lo nigbagbogbo ni awọn ohun elo ti o wa ni oju-iwe, awọn aṣọ aabo, awọn inki, awọn iyọkuro ati itọju oju-ara ti alawọ atọwọda.
4.Tetrahydrofuran jẹ ohun elo aise pataki fun iṣelọpọ ti polytetramethylene ether glycol (PTMEEG) ati epo pataki kan fun ile-iṣẹ oogun.Ti a lo bi epo fun adayeba ati awọn resini sintetiki (paapaa awọn resini vinyl), tun lo ninu iṣelọpọ ti butadiene, adiponitrile, adiponitrileadipic acid,hexanediamine ati bẹbẹ lọ.
5.Used bi epo, kemikali synthesis intermediate, analytical reagent.
Awọn akọsilẹ Ibi ipamọ ọja:
1.Store ni a itura, ventilated ile ise.
2.Keep kuro lati ina ati orisun ooru.
3.The ile ise otutu yẹ ki o ko koja 29 °C.
4.Pa eiyan ti a fi edidi, kii ṣe olubasọrọ pẹlu afẹfẹ.
5.O yẹ ki o wa ni ipamọ lọtọ lati awọn aṣoju oxidising, acids,alkalis, ati be be lo.ati pe ko yẹ ki o dapọ mọ.
6.Adopt bugbamu-ẹri imole ati awọn ohun elo fentilesonu.
7.Prohibit awọn lilo ti darí itanna ati awọn irinṣẹ ti o wa ni rọrun lati se ina Sparks.
8.Agbegbe ibi ipamọ yẹ ki o wa ni ipese pẹlu awọn ohun elo itọju pajawiri jijo ati awọn ohun elo ti o dara.
