isibhengezo_sekhasi

umkhiqizo

4-Chloroacetophenone CAS 99-91-2

Isakhiwo Samakhemikhali:

I-Molecular Formula C8H7ClO
I-Molar Mass 154.59
Ukuminyana 1.192 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point 14-18 °C (okhanyisiwe)
I-Boling Point 232 °C (okhanyisiwe)
I-Flash Point 194°F
Ukuncibilika kwamanzi 111 mg/L (25 ºC)
Ukuncibilika 111mg/l (ukubola kancane)
I-Vapor Presure 8 mm Hg ( 90 °C)
Ukubukeka Uketshezi Ngemva Kokuncibilika
Umbala Kucace kungenambala ukuya kokuphuzi
I-Merck 14,2116
I-BRN 386014
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index n20/D 1.554(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Uketshezi olumhlophe ekamelweni lokushisa. Iphoyinti elincibilikayo 20-21 ℃, iphoyinti elibilayo 237 ℃,106 ℃(1.33kPa),99 ℃(0.93kPa), ukuminyana kwesihlobo 1.1922(20 ℃), inkomba ye-refractive 1.5550, iphoyinti elifuleshi elingu-90 ℃. Ayincibiliki emanzini, incibilika kuzincibilikisi zemvelo.
Sebenzisa Isetshenziswa njenge-ejenti emhlophe ye-fluorescent, ikhemisi kanye nezinto zokusetshenziswa ezimaphakathi

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Ubungozi Nokuphepha

Amakhodi Engozi U-R22 – Kuyingozi uma ugwinywe
R26 – Kunobuthi Kakhulu ngokuhogela
R37/38 – Ukucasula uhlelo lokuphefumula kanye nesikhumba.
R41 – Ingozi yokulimala okubi emehlweni
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
R36/37 – Ukucasula amehlo kanye nesistimu yokuphefumula.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
I-S28 – Ngemva kokuxhumana nesikhumba, geza ngokushesha ngensipho eningi.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.)
I-S28A -
S36 – Gqoka izingubo ezifanele zokuzivikela.
Ama-ID e-UN UN 3416 6.1/PG 2
I-WGK Germany 3
I-RTECS KM5600000
I-TSCA Yebo
Ikhodi ye-HS 29147090
I-Hazard Class 6.1
Iqembu Lokupakisha II

99-91-2 - Imvelo

Vula Idatha Eqinisekisiwe Yedatha

uketshezi olumhlophe ekamelweni lokushisa. Iphoyinti elincibilikayo 20~21 ℃, iphoyinti elibilayo 237 ℃, ukuminyana okuhlobene 1. 1922(20 ℃), inkomba ye-refractive 1.555, iphoyinti elikhanyayo 90 ℃. Ayincibiliki emanzini, incibilika kuzincibilikisi zemvelo.

99-91-2 - Indlela Yokulungiselela

Vula Idatha Eqinisekisiwe Yedatha

kusukela ekujikeni kwe-chlorobenzene nge-acetic anhydride phambi kwe-aluminium trichloride.

99-91-2 - Sebenzisa

Vula Idatha Eqinisekisiwe Yedatha

Lo mkhiqizo usetshenziselwa ukuhlanganiswa kwe-Mandelic Acid, i-fluorescent whitening agent AD namanye amakhemikhali amahle.

 

Sebenzisa Lo mkhiqizo usetshenziselwa ukuhlanganiswa kwe-Mandelic Acid, i-fluorescent whitening agent AD namanye amakhemikhali amahle.
esetshenziswa njengezinto zokusetshenziswa zokukhanya kwe-fluorescent, imithi kanye neziphakathi
indlela yokukhiqiza kusukela ekuphenduleni kwe-chlorobenzene ne-acetic anhydride: i-anhydrous aluminium chloride, i-anhydrous carbon disulfide kanye nokushisa kwe-chlorobenzene eyomile ndawonye, ​​ngemva kokunyakaziswa, i-acetic anhydride yehliswa kancane kancane engxubeni ngesikhathi sokubilisa kancane. Ngemuva kokwengeza, ingxube yanyakaziswa futhi yahlungwa kabusha ku-1H ukuze ibuyise i-carbon disulfide. Uma i-reactant ipholile ekamelweni lokushisa futhi ifudumala, kancane kancane uthele eqhweni elichotshoziwe eliqukethe i-hydrochloric acid ngaphansi kokugqugquzela, futhi i-stratification kufanele icace. Uma kungacacile, inani elincane le-hydrochloric acid kufanele lengezwe. Ngemva kokuthela inani elincane le-benzene kulesi sixazululo, ungqimba lwamafutha lwakhishwa, futhi ungqimba lwamanzi lwakhishwa kanye nge-benzene futhi. I-extract ihlanganiswe nesendlalelo samafutha, igeze nge-15% ye-sodium hydroxide ukuze isuse i-acidity, bese ihlanzwa ngamanzi kuze kube yilapho ingathathi hlangothi futhi isomile, ngemva kokukhishwa kwe-distillation ngaphansi kwengcindezi encishisiwe, izingxenyana ezingcolile ziqoqwe futhi ziqandiswe amahora angu-48. Utshwala kamama bahlukaniswa futhi amakristalu ancibilikiswa ukuze abe umkhiqizo ophelile. Isivuno saba ngu-83.1%.
isigaba uketshezi oluvuthayo

 


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