Acetonitrile: Ade a Etu mpɔn a Wɔde Yɛ Nneɛma ne Nneɛma a Wɔde Yɛ Nneɛma a Wɔde Yɛ Nneɛma a Ɛma Nkwammoaa
Nnwuma Titiriw a Wɔde Di Dwuma
Wɔ nnuru nhwehwɛmu mu no, acetonitrile yɛ aduru a wɔtaa de yɛ nsu a ɛyɛ adwuma yiye (HPLC) ne gas chromatography (GC) nhwehwɛmu. Ɛwɔ nsuo a ɛtumi nwura mu yie na ɛnyɛ den pii, na ɛma nneɛma ahodoɔ a ɛwɔ nkwa mu ne nea ɛnyɛ nkwaboaa no tew yie ma ɛma nhwehwɛmu mu aba a ɛda adi pefee. Wɔde acetonitrile nso di dwuma de siesie standard solutions ne calibration fluids, na ɛhwɛ hu sɛ nhwehwɛmu no yɛ pɛpɛɛpɛ na wotumi de ho to so.
Wɔ organic synthesis mu no, acetonitrile yɛ ade a ɛho hia a wɔde yɛ aduru ne ntamgyinafo. Ebetumi apete nneɛma ahorow a ɛwɔ abɔde mu, na ɛma tebea a ɛyɛ den ma nnuru a ɛyɛ adwuma. Sɛ nhwɛso no, wɔ nnuru a wɔde yɛ ntamgyinafo ne nneɛma bi a wɔde yɛ huam mu no, acetonitrile betumi ayɛ adwuma sɛ ade a wɔde siw ano de ama adeyɛ no anya nkɔso. Bio nso, acetonitrile betumi de ne ho ahyɛ nnuru ahorow bi mu de ayɛ nnuru a ɛwɔ dwumadi pɔtee bi. Sɛ nhwɛso no, acetonitrile betumi ne ne cyano kuw no ayɛ nucleophilic substitution reactions ma ayɛ amine anaa nsa a ɛne no hyia.
Wɔ nnuruyɛ mu no, wɔde acetonitrile di dwuma kɛse wɔ nnuru a wɔyɛ ne nea wɔde tew ho mu. Ebetumi apete nnuru ahorow a edi nnuru anim ne nea ɛwɔ ntam, na ɛma nnuru a ɛyɛ adwuma yiye no yɛ mmerɛw. Sɛ nhwɛso no, wɔ nnuru bi a ekum ɔyare mmoawa ne koma ne ntini mu nnuru a wɔyɛ mu no, acetonitrile betumi ayɛ adwuma sɛ aduru a wɔde siw ano ma ama nneɛma a wɔyɛ no ntɛmntɛm ne aba a wonya no akɔ soro. Bio nso, wobetumi de acetonitrile adi dwuma de ayɛ nnuru a ɛyɛ ahwehwɛ na wɔatew ho de ahwɛ ahu sɛ nnuru no ho tew na ɛyɛ papa.
Wɔ hua ne nnuru a wɔde yɛ ahosiesie adwuma mu no, wɔde acetonitrile yɛ nneɛma a wɔde yɛ huam na wɔtew ho. Wobetumi de ayi abɔde mu nneɛma a ɛyɛ huam te sɛ ngo a ɛho hia afi afifide mu. Bio nso, wobetumi de acetonitrile ayɛ nneɛma a ɛyɛ huam a ɛwɔ hua soronko a wɔde yɛ nnuhuam ne nnuru a wɔde yɛ ahosiesie.
Wɔ ɛlɛtrɔnik mfiri mu no, wɔde acetonitrile di dwuma sɛ ade a wɔde tew nneɛma ho ne ade a wɔde hyɛ mu. Ebetumi ayi nkae ne efĩ afi ɛlɛtrɔnik nneɛma a ɛwɔ so no ani yiye, na ama ɛlɛtrɔnik nneɛma no ho atew na ayɛ adwuma yiye. Sɛ nhwɛso no, wɔ semiconductor a wɔyɛ mu no, wobetumi de acetonitrile atew wafer ahorow no ani, ayi photoresist nkae ne efĩ afoforo afi hɔ.
Ɛmfa ho sɛ wɔde di dwuma wɔ mmeae pii no, acetonitrile yɛ nea ɛyɛ hyew na ɛyɛ awuduru, na sɛnea wɔde di dwuma ne sɛnea wɔkora so no hwehwɛ sɛ wɔyɛ ahobammɔ ho nhyehyɛe a emu yɛ den. Ɛnyɛ den sɛ acetonitrile bɛbɔ wɔ mframa mu, enti ɛsɛ sɛ wɔde di dwuma wɔ baabi a mframa pa fa mu. Bio nso, acetonitrile a wɔde ahyɛ mu no yɛ awuduru kakra, na ɛsɛ sɛ wɔhyɛ nneɛma a ɛfata a wɔde bɔ wɔn ho ban bere a wɔde redi dwuma no na wɔakwati sɛ ɛbɛka honam ani ne aniwa. Wɔ mfiridwuma mu nneɛma a wɔyɛ mu no, acetonitrile a wɔde di dwuma no taa ba wɔ nhyehyɛe ahorow a wɔato mu mu na ama nneɛma a atwa yɛn ho ahyia no so nkɛntɛnso ketewaa bi.
Nsɛm a Wɔakyerɛkyerɛ mu
| Aguade no Edin | Acetonitrile a wɔde yɛ aduru | |||||||||
| Nnuru a Wɔde Yɛ Nnuru | C2H3N na ɛwɔ hɔ | |||||||||
| Molekyul Mu Mu duru | 41.05 g/mol na ɛyɛ adwuma | |||||||||
| Mmaeɛ | Nsu a ɛyɛ mmerɛw a enni kɔla | |||||||||
| Nsuo a Ɛyɛ Nwene | -45.7°C na ɛwɔ hɔ | |||||||||
| Boiling Point a Ɛwɔ Hɔ | 81.6°C na ɛwɔ hɔ | |||||||||
| Muduro | 0.003 g/cm3 na ɛwɔ hɔ | |||||||||
| CAS NO | 75-05-8 na ɔkyerɛwee | |||||||||
| HS Mmara no | 2926909090 na ɛwɔ hɔ | |||||||||
| EINECS NO | 200-835-2 na ɛwɔ hɔ | |||||||||
| Abisadeɛ | Wɔde di dwuma wɔ organic synthesis, extraction, nnuru a wɔde yɛ ntamgyinafo, ne chromatographic analysis mu. | |||||||||
Quality Control Krataa
| Aguade no Edin | Acetonitrile a wɔde yɛ aduru | ||||||
| ADEƐ | STANDARD(Sɛnea ɛkorɔn sen biara) . | SƆHWƐ BALUE (%) . | |||||
| Chromaticity/HaZen nsusuwii ahorow | 10. 10. Ɔde ne nsa kyerɛɛ ne so | 10. 10. Ɔde ne nsa kyerɛɛ ne so | |||||
| Muduro | 0.5 | 0.003 g/cm3 na ɛwɔ hɔ | |||||
| Ahotew/%≥ | 99.9 | 99.94 na ɛwɔ hɔ | |||||
| Nsuo a ɛwɔ mu/%≤ | 0.030 na ɛwɔ hɔ | 0.029 na ɛwɔ hɔ | |||||
| Acetone/%≤ na ɛwɔ hɔ | 25. Ɔde ne nsa kyerɛɛ ne so | ||||||
| Acrylonitrile/%≤ na ɛyɛ adwuma | 25. Ɔde ne nsa kyerɛɛ ne so | ||||||
| Amonia/%≤ | 6. 6. | 1.1.1.1 | |||||
| Acidity (sɛ acetic acid)/≤ | 50 na ɛwɔ hɔ | 1.8 | |||||
| Kɔbere/(mg/kg)≤ | 0.5 | 0.001 na ɛwɔ hɔ | |||||
| Dade/(mg/kg)≤ | 0.5 | 0.003 g/cm3 na ɛwɔ hɔ | |||||
| Nsuo a ɛbobɔ (wɔ 0.10133 MPa) °C | 81.0-82.0 na ɛwɔ hɔ | 81.6-82.0 na ɛwɔ hɔ | |||||
Sɛ yɛbɛbɔ no mua a
Sɛ yɛbɛbɔ no mua a, acetonitrile, sɛ́ nnuru a ɛho hia a wɔde yɛ nnuru a wɔde yɛ nneɛma foforo ne nea wɔde yɛ aduru no, di dwuma titiriw wɔ nnwuma pii mu. Ɛnyɛ sɛ ɛma nnuru a wɔde yɛ adwuma no yɛ adwuma yiye na ɛma wonya mfaso nko, na mmom ɛboa ma nnɛyi nnwuma nya nkɔso nso. Sɛ mfiridwuma mu nkɔso kɔ so a, anidaso a ɛwɔ hɔ sɛ wɔde acetonitrile bedi dwuma no bɛtrɛw kɛse mpo.