Tetrahydrofuran | 109-99-9
ʻIkepili kino huahana:
| Inoa Huahana | Tetrahydrofuran |
| Waiwai | ʻO ka wai hoʻoheheʻe kala ʻole me kahi eterapilau. |
| Lae hehee(°C) | -108.5 |
| Lae paila(°C) | 66 |
| Māmā pili (Wai=1) | 0.89 |
| ʻAno mahu (ea=1) | 2.5 |
| Pumi mahu (kPa) | 19.3 (20°C) |
| Ka wela o ka puhi ʻana (kJ/mol) | -2515.2 |
| Mahana koʻikoʻi (°C) | 268 |
| Pumi koʻikoʻi (MPa) | 5.19 |
| ʻO Octanol/Wai hoʻokaʻawale coefficient | 0.46 |
| Kekahi uila (°C) | -14 |
| Ka wela wela (°C) | 321 |
| palena pahū luna (%) | 11.8 |
| palena pahū haʻahaʻa (%) | 1.8 |
| Ka hoʻoheheʻe | Hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe ʻia i ka ethanol, etera. |
Nā Waiwai a me ka Paʻa:
1. ʻO ka wai alohilohi ʻole me ka ʻala etera. Miscible me ka wai. Hiki i ka hui azeotropic me ka wai ke hoʻoheheʻe i ka cellulose acetate a me ka caffeine alkaloids, a ʻoi aku ka maikaʻi o ka hoʻoheheʻe ʻana ma mua o ka tetrahydrofuran wale nō. Hiki ke hoʻoheheʻe maikaʻi ʻia nā mea hoʻoheheʻe maʻamau e like me ka ethanol, ether, aliphatic hydrocarbons, aromatic hydrocarbons, chlorinated hydrocarbons, etc. i ka tetrahydrofuran. He mea maʻalahi ke hui pū me ka oxidation i ka ea e hoʻohua i ka peroxide pahū. ʻAʻole hiki ke hoʻopōʻino i nā metala, a me ka erosive i ka nui o nā plastics a me nā rubbers. Ma muli o ke kumu hoʻolapalapa, haʻahaʻa ke kiko uila, maʻalahi ke puhi i ke ahi ma ka lumi wela. Hiki i ka oxygen i ka lewa i ka wā mālama ke hoʻohua i ka peroxide pahū me ka tetrahydrofuran. Hiki ke hana ʻia nā peroxides i mua o nā kūlana māmā a me nā anhydrous. No laila, 0.05% ~ 1% o ka hydroquinone, resorcinol, p-cresol a i ʻole nā paʻakai ferrous a me nā mea hoʻohaʻahaʻa ʻē aʻe i hoʻohui pinepine ʻia e like me nā antioxidants e kāohi i ka hana o nā peroxides. He haʻahaʻa haʻahaʻa kēia huahana, pono ka mea hoʻohana e hoʻokomo i nā mea pale.
2.Stability: Paʻa
3.Prohibited nā mea: Acid, alkali, ikaika oxidizing agents, oxygen
6. Nā kūlana no ka paleʻana i kaʻike: Māmā, ea
7.Polymerisation pilikia: Polymerisation
Hoʻohana huahana:
Hoʻohana nui ʻia ʻo 1.It ma muli o kāna permeability maikaʻi a me ka diffusivity i ka ʻili a me loko o nā resins. Hoʻohana ʻia ʻo ia e like me ka solvent ma ke ʻano hoʻohālikelike, ka hopena polymerisation, LiAlH4 hoʻohaʻahaʻa condensation hopena a me ka hopena esterification. ʻO ka hoʻoheheʻe ʻana o ka polyvinyl chloride, polyvinylidene chloride a me kā lākou copolymers ka hopena i kahi hopena viscosity haʻahaʻa, i hoʻohana mau ʻia i ka hana ʻana i nā ʻili o luna, nā pale pale, nā mea hoʻopili a me nā kiʻiʻoniʻoni. Hoʻohana ʻia ia i ka ʻīnika, ka mea pena, ka mea hoʻoheheʻe, ka mālama ʻana i ka ʻili kūlohelohe. ʻO kēia huahana he polymerisation ponoʻī a me ka copolymerization, hiki ke hana i ka polyether type polyurethane elastomer. ʻO kēia huahana he mea waiwai nui kemika, hiki ke hoʻomākaukau ʻia ka butadiene, nylon, polybutylene glycol ether, γ-butyrolactone, polyvinylpyrrolidone, tetrahydrothiophene a pēlā aku. Hiki ke hoʻohana ʻia kēia huahana ma ke ʻano he waena i ka synthesis organik e like me nā lāʻau lapaʻau.
2. Hiki i ka Tetrahydrofuran ke hoʻoheheʻe i nā meaʻokoʻa a pau ma waho o ka polyethylene, polypropylene a me ka fluorine resins, no ka polyvinyl chloride, polyvinylidene chloride a me butylaniline he mea hiki ke hoʻoheheʻe maikaʻiʻia, ua hoʻohana nuiʻia e like me ka mea hoʻoheheʻe reactive.
3.Ma keʻano he mea hoʻoheheʻe maʻamau, ua hoʻohana pinepineʻia ka tetrahydrofuran i ka uhiʻana o kaʻili, nā pale pale, nā'īnika, nā extractants a me ka mālamaʻana i kaʻili o kaʻili.
ʻO 4.Tetrahydrofuran he mea waiwai nui no ka hanaʻana i ka polytetramethylene ether glycol (PTMEEG) a me ka mea hoʻoheheʻe nui no kaʻoihana lāʻau. Hoʻohana ʻia e like me ka solvent no nā resins kūlohelohe a me ka synthetic (ʻoi aku ka vinyl resins), hoʻohana pū ʻia i ka hana ʻana o butadiene, adiponitrile, adiponitrile, ʻakika adipic,hexanediamine a pela aku.
5.Hoʻohana e like me ka solvent, kemika synthesis intermediate, analytical reagent.
Nā memo mālama huahana:
1. E kūʻai i loko o kahi hale kūʻai ʻoluʻolu.
2. E mālama i ke ahi a me ke kumu wela.
3. ʻAʻole pono ka mahana o ka hale kūʻai ma mua o 29 ° C.
4. E hoʻopaʻa i ka pahu, aole pili me ka ea.
5. Pono e hoʻokaʻawale ʻia mai nā oxidizing agents, acids,alkalis, etc.aole pono e huikau.
6.Adopt pahū-hōʻoia kukui a me ventilation hale.
7. Hoʻopaʻa i ka hoʻohana ʻana i nā mea hana mīkini a me nā mea hana maʻalahi e hoʻohua i nā huna huna.
8. Pono e hoʻolako ʻia ka wahi e mālama ai me nā lako lapaʻau ulia pōpilikia a me nā mea hoʻomaha kūpono.
