ʻEtera Diisopropyl/ʻEtera Isopropyl
ʻIke Huahana
Inoa Kemika: Isopropyl Ether (ʻike ʻia hoʻi ʻo Diisopropyl Ether, DIPE)
Helu CAS: 108-20-3
Formula Molekala: C₆H₁₄O
Kaumaha Molekala: 102.18 g/mol
ʻAno: Wai moakaka, ʻaʻohe kala me kahi ʻala e like me ka ether
Kikowaena paila: 68-69°C (154-156°F)
Kikowaena Uila: -28°C (-18°F; kīʻaha pani)
He hui ether lele a lapalapa ka Isopropyl Ether i ʻike nui ʻia no kona mau waiwai solvent maikaʻi loa. Ma ke ʻano he solvent mid-polarity, hoʻohālikelike ia i ka solubility no nā mea organik a me nā mea polar iki, e lilo ia i mea nui i ka synthesis kemika, ka unuhi ʻana, a me ka hoʻomaʻemaʻe ʻoihana. ʻO kona wahi paila haʻahaʻa a me ka volatility waena e hiki ai ke hoʻōla maʻalahi i nā kaʻina hana distillation, e kākoʻo ana i ka pono o ke kumukūʻai a me ka hoʻomau.
Nā Waiwai Koʻikoʻi a me nā Pōmaikaʻi
| Waiwai | Nā kikoʻī | Pōmaikaʻi Koʻikoʻi |
| Ka hiki ke hoʻoheheʻe ʻia | Hoʻoheheʻe iki ʻia i ka wai (~1.2 g/L ma 20°C); hui pū ʻia me ka ethanol, acetone, benzene, a me ka hapa nui o nā mea hoʻoheheʻe organik | He kūpono no ka hoʻoheheʻe ʻana i nā aila, nā resins, nā waxes, a me nā hui organik; kūlike me nā mea hoʻoheheʻe like maʻamau |
| Ka loli ʻana | Kaomi mahu: 16.9 kPa ma 20°C; wahi paila haʻahaʻa (68 - 69°C) | Hoʻāla i ka mahu wikiwiki i nā kaʻina hana uhi/maloʻo; hoʻokaʻawale maʻalahi ma o ka distillation |
| Paʻa Kemika | Paʻa ma lalo o nā kūlana mālama maʻamau; palaho mālie i ka wā e pili ana me nā waikawa ikaika a i ʻole nā peroxides | Hilinaʻi no ka mālama ʻana i ka wā lōʻihi (i ka wā e pale ʻia ai mai nā peroxides); ka liʻiliʻi o ka reactivity me ka hapa nui o nā substrates |
| Ka nui (20°C) | 0.725 g/cm³ | Hoʻemi ka haʻahaʻa haʻahaʻa i nā kumukūʻai halihali; maʻalahi e lawelawe i nā kaʻina hana hui wai |
| Mahana Hoʻā ʻOno | 443°C (829°F) | ʻOi aku ka palekana ma mua o nā mea hoʻoheheʻe lapalapa nui (e like me ka diethyl ether) ma nā wahi i kāohi ʻia |
Nā Hoʻohana Maʻamau
ʻO ka loli a me ka maʻalahi o ka hoʻoheheʻe ʻana o Isopropyl Ether e lilo ia i mea nui loa ma nā ʻoihana he nui:
3.1 Hana Kemika a me ka Hoʻokaʻawale ʻana
Hana ʻOkanika: Hana ma ke ʻano he mea hoʻoheheʻe hopena no nā hopena Grignard, alkylations, a me nā esterifications. Kōkua kona polarity haʻahaʻa i ka hoʻomalu ʻana i nā helu hopena a hoʻomaikaʻi i nā hua huahana no nā waena non-polar.
Ka Hoʻokaʻawale ʻana i nā Wai-Wai: Hoʻohana ʻia e hoʻokaʻawale i nā hui organik mai nā hopena wai (e like me ka hoʻokaʻawale ʻana i nā lāʻau lapaʻau, nā pesticides, a i ʻole nā mea ʻono mai nā wai hoʻouluulu a i ʻole nā mea kanu).
Hana ʻana o Peroxide: Hana ma ke ʻano he mea maka no ka hana ʻana i ka diisopropyl peroxydicarbonate (IPP), kahi mea hoʻomaka maʻamau no ka hana ʻana o ka polymer (e laʻa, polyvinyl chloride, PVC).
3.2 Hoʻomaʻemaʻe ʻoihana a me ka uhi ʻana
Mea Hoʻohemo ʻAila: Kūpono no ka wehe ʻana i ka ʻaila, ka momona, a me ka wax mai nā ʻāpana metala (e like me nā ʻāpana kaʻa, nā mīkini) ma muli o kona ikaika e hiki ai ke hoʻoheheʻe i nā hydrocarbons.
Nā ʻano hana uhi a me nā mea hoʻopili: Hoʻoheheʻe i nā resins, lacquers, a me nā mea hoʻopili e hoʻoponopono i ka viscosity, e hōʻoiaʻiʻo ana i ka hoʻopili maʻalahi a me ka hoʻōla wikiwiki (hoʻohana ʻia i nā uhi lāʻau, nā mea hoʻopili ʻoihana).
3.3 Nā Hoʻohana Keʻena Hoʻokolohua a me nā Loiloi
Mea hoʻoheheʻe Chromatography: Hoʻohana ʻia ma ke ʻano he ʻāpana pae lawe lima i loko o ka chromatography kinoea (GC) a me ka chromatography wai hana kiʻekiʻe (HPLC) no ka hoʻokaʻawale ʻana i nā analytes organik.
Mea hoʻoheheʻe no ka hoʻomākaukau ʻana i ka laʻana: Hoʻoheheʻe i nā laʻana paʻa (e laʻa, lipids, polymers) no ka nānā ʻana i nā kemika (e laʻa, Fourier-transform infrared spectroscopy, FTIR).
3.4 Wahie a me ka Ikehu
Mea Hoʻohui Wahie: Hoʻohui ʻia me ka gasoline e hoʻomaikaʻi i ka helu octane a hōʻemi i ke kīkēkē ʻana o ka mīkini; hoʻonui pū i ke kūpaʻa o ka wahie i ka wā e mālama ai.
Palekana a me ka Hoʻokō
4.1 Nā Alakaʻi Palekana
Ka pilikia o ke ahi ʻana: ʻO ka wai a me ka mahu hiki ke ʻā; e mālama aku mai nā lapalapa ahi, nā huna ahi, a me nā ʻili wela (e hoʻohana i nā lako pale pahū i nā wahi lawelawe).
Ka Hoʻokumu ʻana o ka Peroxide: Hiki ke hana i nā peroxides pahū ke hōʻike ʻia i ka ea, ka mālamalama, a i ʻole ka wela i ka hala ʻana o ka manawa. E hoʻāʻo no nā peroxides (me ka hoʻohana ʻana i ka pepa starch-iodide) ma mua o ka hoʻohana ʻana; e hoʻolei inā ʻike ʻia nā peroxides.
Ka lawelawe ʻana i nā mea pale: E ʻaʻahu i nā mīkina lima nitrile, nā aniani pīpī kemika, a me kahi mea hanu mahu (N95 a ʻoi aku paha) ma nā wahi i hoʻoluʻu maikaʻi ʻole ʻia. E pale i ka pili ʻana o ka ʻili/maka (hiki ke hoʻonāukiuki) a me ka hanu ʻana i nā mahu (hiki ke hoʻoulu i ka poniuniu a i ʻole ka nausea).
Ka Mālama ʻana: E mālama i kahi wahi anuanu, pouli, a me ka ea maikaʻi; e hoʻohana i nā ipu ea ʻole, aniani ʻamber a i ʻole HDPE. E hoʻohui i kahi mea hoʻopaʻa peroxide (e laʻa, hydroquinone) no ka mālama lōʻihi.
4.2 Hoʻokō kānāwai
REACH (EU): Kākau inoa ʻia ma lalo o REACH (Helu Hoʻopaʻa Inoa: 01-2119488787-46-xxxx); kūlike me nā kapu ma luna o nā mea haumia peroxide.
OSHA (US): Palena Hōʻike Hana (OEL): 500 ppm (8-hola TWA); i hoʻokaʻawale ʻia he wai lapalapa (NFPA Class IB).
Hoʻokaʻawale ʻana o GHS: GHS02 (Wai hiki ke lapalapa), GHS07 (Mea hoʻonāukiuki), GHS08 (Hiki ke hana i nā peroxides pahū).
Nā Kūlana ISO: Kū i ka ISO 6353-2 (nā kikoʻī papa Reagent) no ka hoʻohana ʻana i ka hale hana.
Nā mea nui o ka pepa ʻikepili loea (TDS)
| Palena | Papa ʻOihana | Papa Reagent | ʻAno Hoʻāʻo |
| Maʻemaʻe (min) | 99.0% | 99.5% | Ka Chromatography Kinoea (GC) |
| Ka nui o ka wai (max) | 0.1% | 0.05% | Ka Hoʻohālikelike ʻana o Karl Fischer |
| Ka nui o ka Peroxide (max) | 5 ppm | 1 ppm | Ka Titration Iodometric |
| Ka ʻakika (e like me CH₃COOH, max) | 0.005% | 0.001% | Ka Titration Sodium Hydroxide |
| Koena ʻAʻole - Volatile (max) | 5 mg/kg | 1 mg/kg | Gravimetry |
No ke aha e koho ai i kā mākou Isopropyl Ether (CAS 108-20-3)?
Ka Pōpilikia Peroxide Haʻahaʻa: Hoʻopaʻa ʻia kā mākou huahana me nā mea pale i ka ʻai, e hōʻemi ana i ka hoʻokumu ʻana o ka peroxide a me ka hōʻoia ʻana i ka hoʻohana palekana.
Maʻemaʻe Mau: ʻO ka kaohi maʻemaʻe o ka pūʻulu (≥99.0% no ka papa ʻoihana) e hōʻemi ana i nā haumia e hoʻopilikia ai i nā kaʻina hana.
Pūʻolo i hoʻopilikino ʻia: Loaʻa i loko o nā pahu 1L, 20L, 200L, a i ʻole nā pahu ISO no nā kauoha ʻoihana liʻiliʻi 实验室 a i ʻole nā kauoha ʻoihana nui.
Kākoʻo ʻenehana: Hāʻawi kā mākou hui i ke alakaʻi no ka hoʻāʻo ʻana i ka peroxide, ka mālama ʻana, a me ka hoʻonui ʻana i ka noi (e laʻa, ka hoʻohuihui ʻana o ka solvent no ka unuhi ʻana).
Hoʻokō Honua: Hoʻokō i nā kūlana honua (REACH, OSHA, ISO) no ka hoʻohana ʻana ma nā mākeke EU, US, a me ʻAsia.
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